QL683 .P3P3 FOR THE PEOPLE FOR EDVCATION FOR SCIENCE LIBRARY OF THE AMERICAN MUSEUM OF NATURAL HISTORY r Bound at A.M. N.H,| Island, California WEDNESDAY, JULY llth, 1928 : TJic follnwini; list u-as compiled from A. H. Howell's paper "Tlie Birds of the Islands off the Southern Coast of Cali- fornia," published by the Cooper Ornith- ological Club as Pacific Coast Avifauna Mo. 12. to which are added six species observed on the Island by Harry Harris between March 1st and 17th, 1919. and two species frequently observed by Capt, Hugh McKay. Colymbus nigricollit t man). Eared Grc" Cavia faciAca (Law Ctrc n). Eared Grebe. [Lawrence). Pacific Loon. I (Pallas). Tufted Puffin. lacerala (Pallas). Rhino- aleulicus (Pallas). Cas- 'ii« aniiiiuus (Gmeiin). fcj Pallas, Pigeon Guille- Linn) Para- Vieill. Long- iitic Jacger-T tailed Jaegcr.t Audubon, Gull. Larus argeniattis Pontoppidai Gull. Larus delawarentis Ord. Western . Herring Cing-biUed Sptotylo cunicularia hypogaea (Bona- parte). Burrowins Owl. Ceryle aicyon (Linnacusl. Belted King- breasted Sapsuckci ColnfUs rafer colli shafted Flicker. PhalacnoftUus mil Ridgway. Dusky Poor-will. alihn (Baird) Whitc-lhroaled Swift. Calypie anmi (Lesson). An:i.i Hum mingbird. Sclasphorus atleni Henshaw. Allen Hum^ e). Say Phoebi msricans (Sw; - " Phoebe. tn FJycatchi nd Fb (Swainson), Black doiiax difficilis difficilis Baird. Con C. H. Town- Island Homed L.-irk. Wagler. Raven .■Audubon. Western [ cucullntus ueisoni Ridgway. Ari- EuPhagus _ cyiiMocfJ-haius (Wagler) . Mcadowlark. fclcrus cucullnH , Hooded Ori ^re3^ns. San Clem psaltria h^sfcrnphtl "acked Go"- Green-backed GoldiiiK ce Goldfinch. trichia leucopkrys j mbcl Sparrow Diomcdea albalrus P Albatross. i-tiliiiiinis glacialis g'l P.ncillc Fulmar. P»pimii crectop^ Pufms Plia'inerc bird. Mo .. Short-tailed ■ha Stejnegfr. Coues. Pink- fooled (Gmcliii). Sooty Shear- wilus aiboeilialus Ridg- Cormoranl. pemriUatus (Brandt). ^'.:.!,!"i'',il^way, Cali- Linnaeus Rcd-brcastcd Oidcmia anicricatta Swainson. Scoter. Oidtmia deghndi Bonaparte. White- winged Scoter. Oidemin perspitiUata (Linnaeus). Surf Scolcr, Ardet\ ht-rodiaj lirrodidi Linnaeus, Great Blue Heron. Plwlaropus fulicarnts (Linnaeus). Red Phalaropc. Pisobia bairdi (Cones). Baird Sandpiper. Pisabia minulillii (Vicillot). Least Sand- mi (Gmeiin). Wandcr- HfUn^ , Jun. lophila ruticeps nificeps (Cas Rufous-crowned Sparr Mriospisa melodia gmminea C- H Townsend. Santa Barbara Song Spar row (?) Mclospisa Ihicohii liitcoini Audubon Lincoln Soar row. triiynclia Baird. Anthony. Ridgway. PipTlo' riementi Offw (Say) La;iili Bnni- Itrogastra Boddaert. Barn San Clem Swallo) Loniu Island Shrike. jiillwityi Mcnra Casiin. Huttc ■.d.i (C H Tinvi Buleo m-o mi Ooiuparlc Swainson icatepliatut leucocffihalut IU«mr> Bald Fjslt. Foho prt Bonapaftc Falci, (oh umh ^nm ™Sjf(ri, n. PistOT Fclrc tra n.) Cooke, U. S. Dept. Agric, Bull. 292, 1915, p. 41. Undoubtedly commmon about all the islands during the winter months. C. B. Linton (.5) says they were common at San Clemente during January and Feb- ruary, 1907 ; and during the latter part of ^larcli and first of April, 1915, in the same locality, D. R. Dickey, L. j\I. Huey and I noted them daily in company with the Western Gulls. A. van Rossem saw several at Santa Cruz Island April 24, 1911, and C. B. Linton (MS) has taken speciemns there. 21. Larus delawarensis Ord Ring-billed Gull Larus delarcarensis (/) Howell and van Rossem, Condor, xiii, 1911, p. 209. As on the mainland, this species is probably almost as common in winter as the last, but in some plumages it is so difficult to distinguish between the two that it is impossible to determine their relative abundance. I have seen a few in- dividuals at Catalina in April, and during the same month, 1911, A. van Ros- sem and 1 positively identified several at Santa Cruz Island. 28 PACIFIC COAST AVIFAUNA No. 12 22. Larus brachyrhynchus Richardson Short-billed Gull The only record for this species is that of three immature specimens taken by A. van Rossem (MS) at Catalina, February 11, 1910, two of which are now in my collection. 23. Larus heermanni Cassin Heermann Gull Blasipus belcheri {]) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. Larus heermanni (2) Baird, Brewer and Ridgway, "Water Birds N. Am., ii, 1884, p. 253. (3) Blake, Auk, iv, 1887, p. 329. (.'/) Grinnell, Pasadena Acad. Sci., i, 1887, p. 24. (.5) Grinnell and Daggett, Auk, xx, 1903, pp. 28, 80, 37. (6) Breninger, Auk, xxi, 1904, p. 219. (7) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 142. (8) Linton, Con- dor, X, 1908, p. 82. (9) Linton, Condor, x, 1908, p. 12.5. (10) Willett, Condor, xii, 1910, p. 173. (11) Willett, Pac. Coast Avif., 7, 1912, p. 14. (/.?) Cooke, U. S. Dept. Agric, Bull. 292, 1915, p. 49. Larus heermannii (13) Streator, Proc. Sta. Barbara Soc. Nat. Hist., i, 1887. p. 22. (1J,) Wright and Snyder, Condor, xv, 1913, p. 89. Larus lieermani (15) Streator, Orn. & Ool., xiii, 1888, p. 54. These birds are to be met with off the coast of southern California the year round, but the majority leave for the south about March. During July, birds of the year begin reaching us. Heermann (2) said that this gull breeds on the Coronados, and J. G. Cooper, that it probably did so on other islands south of San Francisco. As it is now pretty well proven that the species does not nest on the seaward coast north of Cape San Lucas at least, there must have been mis- takes in regard to the above statements. The Heermann Gull as a rule is not as fond of coming close to shore as are the other gulls, but prefers to stay out in the channel, where the usual method of securing a meal is to haunt some patient pelican and wildly grab at any fisli which the latter may capture. C. B. Linton (8) found that at Santa Cruz Isl- and, during November and December, 1907, their principal food consisted of shrimps which they caught in the kelp, and I have watched them catching sar- dines two or three inches long. 24. Larus Philadelphia (Ord) Bonaparte Gull Larus Philadelphia (1) Howell and van Rossem, Condor, xni, 1911, p. 209. Abundant during migrations along the mainland coast, but seldom Avander- ing out to the islands. During the latter part of April, 1911, A. van Rossem and I (1) noted several at Santa Cruz Island. 25. Xema sabini (J. Sabine) Sabine Gull Xema saUni (1) Willett, Pac. Coast Avif., 7, 1912, p. 15. (2) Wright, Condor, xv, 1913, p. 227. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 23. (//) Cooke, U. S. Dept. Agric, Bull. 292, 1915, p. 65. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 29 Probably a regular migrant in the channel well out from shore. H. Wright (1) took a pair near Santa Cruz Island August 6, 1909, and a female near the Coronados August 20, 1910. On August 11, 1912, he (5) saw a flock of eight or ten birds about ten miles from Santa Cruz Island, and on August 1, another flock between the latter and Santa Barbara Island. E. W. Nelson informs me that he has also seen small flocks in the channel during the fall. 26. Sterna maxima Boddaert Royal Tern sterna regia {1) Henshaw, Rep. Wheeler Surv., 1876, p. 277. Sterna maxima {2) Baird, Brewer and Ridgway, Water Birds N. Am., ii, 1884, p. 286. (3) Blake, Auk, iv, 1887, p. 329. (//) Streator, Orn. & Ool., xiii, 1888, p. 54. (5) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 7. (C) Grinnell, Pac. Coast Avif., 3, 1902. p. 13. (7) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 29. (8) Linton, Condor, X, 1908, p. 82. (9) Linton, Condor, x, 1908, p. 126.' {lu) Willett, Condor, xii, 1910, p. 173. (ii) Willett, Pac. Coast Avif., 7, 1912, p. 15. (12) Grinnell, Pac. Coast Avif., 11, 1915, p. 24. Present among the islands throughout the year, but rather rare in spring. I have seen several of these beautiful birds in the vicinity of the Coronados dur- ing the early summer. C. B. Linton {11) noted a few near San Nicolas June 17, 1910, where C, P. Streator (4) also saw them in the fall of 1886. Linton (S) also reported the species as very common during Octoljer, December and Janu- ary, 1907, at San Clemente, but few were seen after February 5. J. Grinnell (5) found it numerous in the vicinity of Catalina during the winter, and I have noted a lew individuals there in April. E. W. Blake (,5) recorded it from Santa Cruz Island in July and August, and C. B. Linton (5) says it was common there dur- ing November and December, 1907. H. W. Henshaw (i) was informed that the species bred in numbers on San Miguel, but it seems unlikely that it has done so in recent years at least, as sev- eral have made special searches for nests there. G. Willett {10), however, saw several immature birds near the west end of the island June 17, 1910. 27. Sterna forsteri Nuttall FoRSTER Tern Sterna forsteri (1) Grinnell and Daggett, Auk, xx, 1903, pp. 32, 37. Reported only in spring and summer, but doubtless occurring spar- ingly in the fall and winter' as well. Several were seen by J. Grinnell and F. S. Daggett (i) while approaching the Coronados, August 6, 1902, and I have noted an occasional bird the early part of July in the same locality. I also several tiiaes saw what I believe was the same individual near Catalina in April, 1907. I have included the above records under Sterna forsteri simply because the first were so reported, and I have added my own observation to it because forsteri is the commoner form in the region. Recent investigations have shown that 8. hi- rundo is almost as common off the coast of southern California as is forsteri, and the individuals seen may have been of either species. Undoubtedly both do occur near the islands at times. 30 PACIFIC COAST AVIFAUNA No. 12 28. Diomedea nigripes Audubon Black-footed Albatross Diomedea nigripes (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 24. Rather rare straggler to the channel from the open sea. J. Grinnell (1) saw a single specimen between San Nicolas and San Clemente islands May 27, 1897, and another between the latter and Catalina June 8 of the same year. He (MS) also noted several between Catalina and Santa Barbara islands August 27, 1903. 29. Diomedea albatrus Pallas Short-tailed Albatross Diomedea hrachyura (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. Diomedea albatrus (2) Baird, Brewer and Ridgway, Water Birds N. Am., ii, 1884, p. 354. (3) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 8. (//) Willett, Pac. Coast Avif., 7, 1912, p. 17. Diomedea alhatros (5) Streator, Orn. & Ool., xiii, 1888, p. 54. Probably slightly more numerous in the channel than is the last mentioned species. J. G. Cooper (1) says that these birds occur near San Clemente and San Nicolas, and C. P. Streator (5) saw quite a number between the latter point and the mainland. C. B. Linton (i) has the head of one that was taken alive by his cook on San Nicolas Island, and Dr. J. G. Cooper told Grinnell {3) that he had taken the species near Catalina. 30. Fulmarus g-lacialis g-lupischa Stejneger Pacific Fulmar Fulmarius glacialis glupischa (1) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 8. Fulmarus glacialis glupischa (2) Linton, Condor, x, 1908, p. 82. (S) Linton, Condor, x, 1908, p. 126. (4) Willett, Pac. Coast Avif., 7, 1912, p. 17. Abundant at sea during certain times of the year. C. B. Linton (3) says that he has often seen these birds during the winter, while going from the main- land to San Clemente, but that he noted none near shore. J. Grinnell (1) found them very common about Catalina in December, 1897, and on April 27, 1908, I found the decomposed remains of one in the same locality. C. B. Linton and G. Willett (3) took several in the dark phase, and one in the light pliase of plum- age, near the shores of Santa Cruz Island, November 25 and December 4, 1907. Tliey also saw the species in the vicinity of Anacapa about the same time. Occasionally during the winter these birds flock to the fishing banks sixty miles off San Pedro, by the thousands. They are then usually very tame, com- ing right up to the boats, and endeavoring to snatch fish as they are hauled aboard. The men often catch them in their hands to watch the stupid actions of the ])irds wlien placed on deck. 31. Puffinus creatopus Coues Pink-footed Shearwater Puffinus creatopus {]) Coues, Proc. Acad. Nat. Sci. Phila., xvi, 1864, p. 131. (2) Cooper. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 31 Proc. Calif. Acad. Sci., iv, 1868, p. 11. (3) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. (.'/) Baird, Brewer and Ridgway, Water Birds N. Am., ii, 1884, p. 384. (.5) Grin- nell, Pasadena Acad. Sci., i, 1897, p. 24. (6) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 8. (7) Godman, Monog. Petrels, ii, 1908, p. 101. () Godman, Monog. Petrels, i, 1907, p. 33. l^reeds commonly on the smallest island of Los Coronados group. A. W. Au- tliony (i) says that on the Coronados, April 24, 1896, he found a number of nearly finished burrows and one bird. June 12, 1914, D. R. Dickey (MS) found several pairs of birds but no eggs. It will therefore be seen that socorroensis be- gins preparing the burrows nearly two months before laying. This species breeds only in burrows which are excavated by the birds themselves, and for this rea- son, to be looked for only where there is a deposit of light loam, sometimes over- grown with a dense mat of bushes. The tunnels are usually al)Out two feet long, enlarged at the end. In the majority of cases they turn either to the right or left a few inches from the entrance, which latter seems unusually small foi' the size of the bird and is more than twice as wide as high. Occasionally the egg is laid on the bare ground, but usually there is a flimsy platform of any bits of twigs and rootlets that may be handy. The egg has a wreath of faint lavender dots and tracings about the larger end. The average measurement of forty-two which I have had in my possession, is 1.18x.89 inches, and the extremes are 1.09 to 1.23 in length, and .82 to .97 in diameter. I believe that the nesting dates of the Black and Socorro petrels will run about the same. In 1910 I did not find an egg of the latter until June 22, while those of the former were taken a week pre- vious. In 1913 A. van Rossem and I found the opposite to hold good, for during the latter half of June slightly incubated eggs of socorroensis was the rule, while those of melania were still fresh. Unlike their larger relative, Socorro Petrels but rarely vomit oil when re- moved from the nest, but will often do so immediately after liaving been released from the hand. This oil is substantially the same as that secreted by melania, but sometimes contains flakes of whitish mucous matter, in addition to a little green slime and a tiny rock lobster or two. Some birds taken by A. van Rossem (MS) in 1914, contained what appeared to be young squid about an inch long. In the hand one is impressed by the frailty and apparent weakness of these birds. When released they launch forth in an uncertain manner, twisting and turning in their nighthawk-like flight. If placed upon the ground they poke confusedly about among the bushes. F. Godman {16) considers this species and Oceniiodronia monorhis of the western Pacific, to be indistinguishable, although the type of the latter is of a lighter gray on the head and throat than is the former. Dr. Hartert {MS) of 36 PACIFIC COAST AVIFAUNA No. 12 the Tring Museum tells me that in addition to the above differences, monorhis averages larger than socorroensis, and that he considers the two species not quite the same. As for the light gray or plumbeous shade of the head of our bird, and presumably the other, this should not be taken as a specific character. In freshly taken breeding birds it is very noticeable, but after the skin is laid away in a cabinet for a year or two, the head becomes as dark as the rest of the body. As is well know^n, this species has two extreme color phases. In one the rump is of the same color as the back and underparts, while in the other, the rump is almost entirely white. One of the latter was described under the name Oceanodroma monorhis chapmani (Berlepsch, Auk, xxin, 1906, p. 185). Every degree of intergradation occurs between the two types. I have studied this out MS thorouglily as possible and although I have been unable to reach any positive conclusion in regard to the significance of this variation, I shall give the facts as they appear to me in order that they may form the basis from which others may work in the future. I judge that wh'en, in a given species, there are two distinct phases with every degree of intergradation between, this species is in process of evolution from one type to the other. Thus socorroensis was originally either a dark- rumped or a white-rumped race, and is now evolving to the other extreme. Birds collected in 1902 by ¥. S. Daggett show a ratio of white- to dark-rumped birds of 1 to 9. In 1910 I found the proportion of those which I took on the Coronados was in the neighborhood of 1 to 5, while in 1913 the ratio was not far from 1 to 21/2. However, A. van Rossem {13) and L. M. Huey found that on August 13, 1914, the ratio had gone back to about 1 to 4. J. Grinnell and F. S. Daggett (7) seem to think that these petrels are descended from a wide-spread, white-rumped ancestor, and of course this may be true ; but from the averages taken daring the first part of three nesting seasons, it will be seen that the proportion of light- rumped birds is quite rapidly increasing, and it seems reasonable to conclude that in a relatively short time, a dark-rumped specimen of socorroensis will be rare. Another possible, though improbable, explanation of the occurrence of the two types, is that two species, a white- and a dark-rumped one, have bred together and hybridized too recently for the characters of the resulting hybrid to have become thoroughly fixed. If this was the case, the birds of one of the extreme phases should closely approach some other species, which, as far as I am aware, it does not do. Also the two phases occur among the breeding birds of both the Coronados and San Benito islands, and it does not appear likely that the cross- ing of two species would occur upon the two islands simultaneously. In order to discover whether there is any size difference between the two phases, I measured a series of a hundred and forty-three birds collected by D. R. Dickey, A. van Rossem, F. S. Daggett and myself. I divided the birds into four groups according to the amount of white exhibited, calling them dark, medium, light and white. The number of birds in each group was, respectively, 45, 46, 19 and 24. Measurements of the extremes, dark and white, show^ that the former is slightly greater in length (taken only of birds in the flesh) wing, tail, bill, tar- sus, middle toe and fork of tail. This held good also in comparative group meas- 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 37 nrenicnts of males and females. The greatest difference was shown in the length of wing of the dark and the white males, which varied 4 millimeters. There were 69 males and 65 females. Comparison showed that the greater wing coverts (the light patch) of the white-nimped birds are of a more grayish tinge and a lighter shade than are those of the dark-nimped, and in the former the tliroat is more ])lnnilieons than in specimens of the latter collected at the same time. In short, the differences seem ])i-onounced enough to warrant recognizing a subspecies, if it was not for the vital fact that the two extreme types may repeatedly be found togetlier in the burrows before the egg is deposited. This precludes the possibil- ity of a valid subspecies. 38. Phalacrocorax auritus albociliatus Ridgway Farallon Cormorant Graculus dilopluis (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. (2) Hemshaw, Rep. Wheeler Surv., 1876, p. 275. Phalacrocorax dilophus albociliatus {S) Baird, Brewer and Ridgway, Water Birds N. Am. II, 1884, p. 153. (//) Streator, Orn. & Ool. xiii, 1888, p. 54. (.J) Grinnell, Pasadena Acad. Sci., i, 1897, p. 25. (6) Grinnell, Pasadena Acad. Sci., 11, 1898, p. 9. (7) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (8) Linton, Condor, x, 1908, p. 126. Phalacrocorax dilophus (.0) Streator, Proc. Sta. Barbara Soc. Nat. Hist., i, 1887, p. 23. Farallon Cormorant (JD) Beck, Bull. Cooper Orn. Club, i, 1899, p. 85. (//) Willett, Con- dor, XII, 1910, p. 170. Phalacrocorax auriUis albociliatus (12) Grinnell, Pac. Coast Avif., 3, 1902, p. 16. (13) Grinnell and Daggett, Auk, xx, 1903, pp. 32, 37. (14) Linton, Condor, x, 1908, p. 82. , (^.5) Wright, Condor, xi, 1909, p. 99. (16) Osburn, Condor, xi, 1909, p. 136. (17) Willett, Pac. Coast Avif., 7, 1912, p. 20. (7,S) Wright and Snyder, Condor, xv, 1913, p. 90. (19) Grinnell, Pac. Coast Avif., 11, 1915, p. 29. Phalacrocorax a[uritus'\. albociliatus (20) Willett, Condor, xii, 1910, ]). 173. Common resident, breeding on most of the islands. This species is an abun- dant breeder on the Coronados, the principal colonies being located on north isl- and. In the spring of 1897, J. Grinnell (5) noted immature birds commonly at San Nicolas, but none were found breeding. At San Clemente C. B. Linton (14) recorded the species as fairly common during the winter months, a flock of some two hundred birds being seen February 5, 1907. I have found a few old nests, too early in the season for eggs, among those of the Brandt Cormorant, on Ship Rock, near Catalina. This is the only time that I have ever noted nests of the two species within a few feet of each other. Large numbers breed on Santa Barbara Island, where, towards the latter part of April, they begin coming in from the sea, to select and start repairing the old nests. J. Grinnell (5) notes, however, that on May 15, 1907, only two sets of eggs had as yet been laid. D. R. Dickey (MS) states that there were quite a number lireeding on Anacapa in 1918, and H. Wright (18) found a few pairs with newly completed nests there as late as July 5, 1912. R. H. Beck (10) says that in 1895 there were birds breeding on a rock near Scorpion Harbor, Santa Cruz Island; and on Prince Islet, San IMiguel, G. AVillett (:20) recorded quite a large colony with nearly full grown young and eggs in various stages. June 15, 1910. ,38 PACIFIC COAST AVIFAUNA No. 12 The nests of alhociliatiis can always he told at a glance from tliose of the two following species. They are quite bulky and well made, and are invariably formed of weed stems, small sticks, or whatever similar material is handy. They are always placed (on these islands) on the ground, usually on a liigh hillside. Although breeding in colonies, these are seldom compact ones, and where a peli- can colony is available, they prefer to build among tlie nests of the latter. Three, more rarely four, and occasionally five, eggs are laid, but because of the depre- dations of the gulls the breeding season is a long one. In addition, the time when eggs are deposited would seem to vary greatly from year to year (as is the case with our other cormorants as well), for A. van Rossem {MS) took a set of five eggs on the Coronados March 26, 1909, while J. Grinnell and F. S. Daggett (:/.?) found two nests with eggs, and several containing small young, in the same local- ity, August 7, 1902. 89. Phalacrocorax penicillatus (Brandt) Brandt Cormorant Oraculus penicillatus (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. (2) Henshaw, Rep. Wheeler Surv., 1876, p. 276. Phalacrocorax penicillatus {3) Baird, Brewer and Ridgway, Water Birds, N. Am., ii, 1884, p. 159. (//) Streator, Proc. Sta. Barbara Soc. Nat. Hist., i, 1887, p. 23. (7) Blake, Auk, IV, 1887, p. 329. (6) Streator, Orn. & Ool., xiii, 1888, p. 54. (7) Grinnell, Pasa- dena Acad. Sol., I, 1897, p. 25. (8) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 9. (.9) Ogilvie-Grant, Cat. Birds Brit. Mus., xxvi, 1898, p. 364. (10) Grinnell, Pac. Coast Avif., 3, 1902, p. 16. (11) Brewster. Birds Cape Region Lower Calif., 1902, p. 37. (12) Grinnell and Daggett, Auk, xx, 1903, pp. 32, 37. (13) Breninger, Auk, xxi, 1904, p. 219. (1.',) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (lo) Linton, Condor, x, 1908, p. 82. (16) Linton, Condor, x, 1908, p. 126. (/7) Wright, Condor, xi, 1909, p. 99. (;>S) Osburn, Condor, xi, 1909, p. 136. (19) Willett, Condor, xii, 1910, p. 173. (20) Osburn, Condor, xiii, 1911, p. 32. (21) Willett, Pac. Coast, Avif., 7, 1912, p. 20. (22) Wright and Snyder, Condor, xv, 1913, pp. 86, 90. (23) Grinnell, Pac. Coast Avif., 11, 1915, p. 30. This, our commonest species of the genus, is to be found about the shores of all the islands and the adjacent mainland, breeding on or near all the islands that have suitable rocky promontories. There are perhaps a dozen colonies of these birds on the Coronados, distributed over all four of the islands. J. Glrin- nell and F. S. Daggett (12) found that they had completed nesting operations for the year there by August 7, 1902. C. B. Linton (15) noted immense flocks on San Clemente during January and February, 1907. These flew back and forth daily, between their roosts on the northwest coast and the feeding grounds, and I observed the same thing there the first part of April, 1915. Linton took specimens in breeding plumage in Feb- ruary and IMarch, and reported the species as breeding in small numbers on the northwest coast of the island. J. Grinnell (7) states that there is a small colony on the north side of San Nicolas Island, and C. B. Linton (21) saw incomplete sets there April 3, 1910. They breed in limited numbers on several large detached rocks near Catalina. There are large rookeri(^s on Snnta Barbara Island, where T found fresh eggs 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 39 ^lay 1, 1908. H. Wright (32) records a few pairs nesting on the cliffs of Ana- capa, July 5, 1912. At Santa Cruz Island a small number nest near Scorpion Harbor, and they probably ])reed on or near Santa Rosa Island, but as there has been so little work done in this locality, this is merely a supposition on my part. On Prince Islet. San Miguel, G. Willett (7.9) found several large rooker- ies. In tlie morning of June 15, 1910, he passed a colony of about a hundred nests with eggs, but in the afternoon the gulls had left not a dozen eggs. He took a set of six there. I believe that as a rule these birds begin nesting slightly in advance of the Farallon Cormorant. The nest is a rather compact but not bulky affair of sea weed, and is always placed in colonies on a low cliff or shelf of rock, from fif- teen to a hundred or more feet above the water. From three to five eggs, and very rarely six, constitute a full set. At the approach of an intruder the young exhibit great stupidity, the half grown ones unconcernedly walking off a higli ledge to fall on the rocks below, mortally disabled. During the winter they Avill often gather in flocks numbering thousands of individuals, to roost at night in some favorite spot, dispersing in the morning in quest of food. I have seen an incredible number in the early morning leaving a sand flat on which they had spent the night. 40. Phalacrocorax pelagicus resplendens Audubon Baird Cormorant GracuJus violaceus var. hairdi (/) Cooper, Proc. Calif. Acad. Scl., tv, 1870, p. 79. Phalacrocorax pelagictis resplendens (2) Baird, Brewer and Ridgway, Water Birds N. Am., II, 1884, p. 162. (3) Blake, Auk, iv, 1887, p. 329. (/,) Streator, Orn. & Ool., XIII, 1888, p. 54. (.J) Grinnell, Pasadena Acad. Scl., i, 1897, p. 26. (6) Grinnell, Pas- adena Acad. Sci., ii, 1898, p. 9. (7) Grinnell, Pac. Coast Avif., 3, 1902, p. 16. (S) Linton, Condor, x, 1908, p. 83. (9) Linton, Condor, x, 1908, p. 126. (10) Osburn, Condor, xi, 1909, p. 137. (11) Willett, Pac. Coast Avif.. 7, 1912, p. 20. (12) Wright and Snyder, Condor, xv, 1913, pp. 87, 90. (13) Grinnell, Pac. Coast Avif., 11, 1915, p. 30. Phalacrocorax violaceus (/'/) Streator, Proc. Sta. Barbara Soc. Nat. Hist., i, 1887, p. 23. Phalacrocorax pelagicus (lo) Ogilvie-Grant, Cat. Birds Brit. Mus., xxvi, 1898, p. 362. Baird Cormorant (16) Beck, Bull. Cooper Orn. Club, i, 1899, p. 85. (/7) Willett, Condor, XII, 1910, pp. 170, 172. Plhalacrocorax]. pelagicus resplendens (18) Breninger, Auk, xxi, 1904, p. 219. Phalacrocorax resplendens (19) Willett, Condor, xii, 1910, p. 173. Fairly plentiful resident among the islands, thougli not nearly as numerous as the last two forms. Rather rare in the southern part of the territory covered by this paper, but increasing in numbers towards the northern part. H. "W. Hen- • shaw (2) found them congregated in great numbers on the channel islands in the early days, but since that time they must have decreased, for at present I do not think that anyone could describe their numerical standing in such words. I know of one rookery on the Coronados of perhaps a dozen scattered nests, and there may be others. C. B. Linton (8) records seeing a few pairs in breed- ing plumage near Mosquito Harbor, San Clemente, daring ]\Iarch, 1907. Near a large detached rock off the southwest end of the same island. D. R. Dickey and 40 PACIFIC COAST AVIFAUNA No. 12 L. ^I. Iluey saw several tlie last of ]\Iareh, 1915. I think it doubtful if the spe- cies breeds at Catalina, at least on the east side. J. Grinnell (5) found small numl)ers nesting on Santa Barbara Island in the spring of 1897, with but two or three nests in any one group. H. Wright (1:2) noted several small colonies above the entrance to the caves on Anacapa, July 6, 1912, and says that the birds were very shy indeed. R. IT. Beck (16) recorded the species as breeding on the rock at Scorpion Harbor, Santa Cruz Island, in 1895, and C. B. Linton (9) saw both adiTlts and birds of the year in the same locality during November and December, 1907. G. Willett (19) found them breeding commonly on the cliffs of San Mig- uel, elune 19, 1910, some of the nests held young, but in most of them were eggs, a few of which proved to be fresh. Nests of this cormorant are a good deal like those of the last as to construc- tion, but are notable for the fact that they are just about inaccessible, being built in the niches of cliffs above the sea. The birds seem to stay in the open sea more than either of the two foregoing, and I have been informed that they bring up sea weed where there is none to be had within a hundred and sixty feet of the surface, so they are unusually expert divers. 41. Pelecanus calif ornicus Ridgway California Brown Pelican Pelecanus fuscus (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. (?) Henshaw, Rep. Wheeler Surv., 1876, p. 275. Pelecanus [fuscusf] californicus (S) Baird, Brewer and Ridgway, Water Birds N. Am., II, 1884, pp. 143 (140-2). Pelecanus californicus ('/) Blake, Auk, iv, 1887, p. 329. (■'>) Streator, Orn. & Ool., xiii, 1888, p. 54. (6) Anthony, Proc. Calif. Acad. Sci., 2d series, ii, 1889, p. 85. (7) Grinnell, Pasadena Acad. Sci., i, 1897, p. 26. (.s') Grinnell, Pasadena Acad. Sci., ii, 1898, p. 9. (.9) Grinnell, Pac. Coast Avif., 3, 1902, p. 16. (10) Brewster, Birds Cape Region Lower Calif., 1902, p. 38. (//) Grinnell and Daggett, Auk, xx, 1903, pp. 32, 37. (12) Breninger, Auk, xxi, 1904, p. 219. (13) Reed, N. Am. Birds' Eggs, 1904, p. 67. (///) Linton, Condor, x, 1908, p. 83. (15) Linton, Condor, x, 1908, p. 126. (16) Wright, Condor, xi, 1909, p. 99. (/7) Osburn, Condor, xi, 1909, p. 136. (18) Willett, Condor, XII, 1910, pp. 171, 173. (W) Burt, Condor, xiii, 1911, p. 166. (.2^) Willett, Pac. Coast Avif., 7, 1912, p. 21. (21) Wright and Snyder, Condor, xv, 1913, pp. 86, 90. (22) Grinnell, Pac. Coast Avif., 11, 1915, p. 31. Brown Pelican (.?;?) Holder, Museum, v, 1899, p. 71. Pelican (2.',) Peyton, Oologist, xxx, 1913, p. 78. Abundant resident throughout the region, but breeding on only a few isl- ands. A large colony nests on the south end of the south island of the Coro- nados group, and another on north island. June 14, 1911, G. Willett (20) found about twenty-five pairs breeding on Santa Barbara Island, while July 2, 1912, H. Wright (21) reported three or four hundred birds with downy young at the same place. C. F. Holder (23) first recorded nests of this bird from Anacapa. The rookery seemed to him to be inaccessible, but there M^ere four or five acres packed with the birds, and the amount of guano indicated that the colony was an old one. This was in August, 1898. Since that time the island has been occupied by the bii'ds in some years, and vacant in others. H. Wright (20) found several 1!»17 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 41 lU'sts with young on Santa Cniz Island in July, 1909, and G. Willett (18) re-' ported five nests of young on Prinee Islet, San ^Miguel, June 15, 1910. In several instances I have noted pelicans beginning to repair nests the last of Ai)ri], while 11. ('. Bnrt (19) saw some at Anacapa flying with sea weed in their bills, ]\Iarch 17, 1911. This, coupled with other observations made by me farther south, in Mexico, indicates that the time for nest building and laying va- ries considerably in different colonies. The nests on the Coronados are made mostly out of sticks from a certain bush that grows there. L. M. Huey (MS) tells me that he has watched the pelicans gathering this material, and that they secure it in the same way that they fish, namely, by flying along and then diving at the bush, landing feet instead of head first, however, and in this w^ay breaking the bush down. He affirms that he has seen opuntia cactus that had evidently been flattened down by the pelicans in the same manner, in mistake for the other l)ush. One can imagine the surprise of the bird after such a maneuver! As the pelicans suffer much from the depredations of the gulls, fresh eggs from second layings may be found well into July. The young leave the nest when less than half the size of the parents, and it is quite ludicrous to watch the compact flocks of fluffy, solemn youngsters parading sedately about the rook- eries. AVhen the primaries are quite well grown, they frequently hop off a shelf of rock into one of the many patches of cactus, and it is not unusual to encounter one literally bristling wnth the spines. When able to fly, but before ever having tried to do so, they will sometimes take to the air at the approach of danger, and go careening out to sea on unsteady wings, then manage the turn, and come shoot- ing back on the wind. They are unversed in the art of alighting, however, and sometimes hit the cliff full speed, which is a signal for every gull in sight to sail happily down to investigate the dying bird. When camped near the colonies, one may see a line or wedge of these great birds go silently by at any hour of the night, undoubtedly belated homecomers from some far fishing ground. 42. Freg-ata aquila (Linnaeus) Man-o '-w^vr-bird Taehypetes aquilus (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. Fregata aquila (2) Grinnell, Pac. Coast Avif., 11, 1915, p. 31. J. G. Cooper (1) states that this species was said to occur at Catalina, but of course it could only have been a straggler in that locality. On June 29, 1913, L. Isl. Huey called the attention of F. Stephens, A. van Rossem, D. R. Dickey and myself, to an individual of this species that was soaring over the island towards the south. It was perfectly identified by all of us. 48. Mergns serrator Linnaeus Red-breasted Merganser Mergus serrator (/) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 10. (?) Linton, Condor, XI, 1909, p. 193. {3) Willett, Pac. Coast Avif., 7, 1912, p. 22. Merganser serrator ( '/) Linton, Condor, x, 1908, p. 126. Fairly common winter visitant to the islands. J. Grinnell (1) noted birds 42 PACIFIC COAST AVIFAUNA No. 12 at Catalina in December, 1897, and I saw several lone individuals there the lat- ter part of April, 1907. While at San Clemente from I\larch 23 to April 11, 1915, I saw a single individual almost daily, and C. B. Linton (3) has noted the species there as late as May 3, 1909. During November and December, 1907, at Santa Cruz Island, tlie last mentioned writer (i) frequently saw it feeding among the tide pools. 44. Dafila acuta (Linnaeus) Pintail While in camp on San Clemente, April 4, 1915, a female of this species flew close over D. R. Dickey and myself. She acted in a peculiar way, circling about over the camp, and then flying high up the hillside along the shore. We judged that she was a Avounded bird that had made her way to the island. 45. Oidemia americana Swainson Scoter Oidemia americana (1) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 12. (2) Grinnell, Pac. Coast Avif., 3, 1902, p. 20. (3) A. O. U. Check-list, 3d ed., 1910, p. 80. (4) Willett, Pac. Coast Avif., 7, 1912, p. 26. (5) Grinnell, Pac. Coast Avif., 11, 1915, p. 38. Occasional at the islands in winter. J. G. Cooper told J. Grinnell (2) that he had taken this species at Catalina. 46. Oidemia deglandi Bonaparte White-winged Scoter Melanetta velvetina (1) Henshaw, Rep. Wheeler Surv., 1876, p. 274. Oidemia deglandi (2) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 12. (.3) Linton, Condor, X, 1908, p. 126. (-'/) Willett, Condor, xii, 1910, p. 173. (J) Willett, Pac. Coast Avif., 7, 1912, p. 26. {6) Grinnell, Pac. Coast Avif., 11, 1915, p. 38. Abundant in winter about the islands, a few non-breeders remaining all summer. The majority arrive the latter part of September and remain until i\Iay. F. Stephens {2) found it common at Catalina the latter part of March, 1893, and I have seen it repeatedly there during April. G. Willett (.5) saw sev- eral at Santa Cruz Island during November, 1907, and (5) found immatures common at San Miguel, the middle of June, 1910. 47. Oidemia perspicillata (Linnaeus) Surf Scoter Pelionetta perspicillata (J) Streator, Proc. Sta. Barbara Soc. Nat. Hist., i, 1887, p. 23. Oidemia perspicillata (2) Streator, Orn. & Ool., xiii, 1888, p. 54. (3) Grinnell, Pasadena, Acad. Sci., ii, 1898, p. 12. (//) Linton, Condor, x, 1908, p. 126. (•>) Linton, Condor, XI, 1909, p. 193. (6) Willett, Condor, xii, 1910, p. 173. (7) Willett, Pac. Coast Avif.. 7, 1912, p. 26. Most numerous one of the genus, remaining with us all winter, and an occa- sional non-breeder spending the summer. C. B. Linton (J) saw several at Cle- mente during the winter of 1908, and D. R. Dickey and T saw a flock of five 1017 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS Ar, there April 10, 1915. J. Grinnell (.5) found it very iiiunerous at Catalina dur- ing December, 1897, and I have noted it in abundance tliere throughout April. I have also seen a few near Santa Barbara Island the first of May. C. B. Linton (4) found adults and immatures to be common at Santa Cruz Island, November and December, 1907, and A. van Rossem and I saw them from time to time in the same locality during the latter part of April, 1911. G. Willett (6) recorded them as coinmon at San Miguel Island, the middle of June, 1910, and C. P. Streator (1) stated that he saw immature birds there and was under the impression that they bred in the locality, which supposition is, of course, extremely unlikely. Willet (?) also saw a male at Santa Rosa Island, June 8, 1910. All of our sco- ters prefer the ocean in the vicinity of sandy beaches, and so are not nearly as common at the islands as they are along the neighboring mainland. 48. Chen hyperboreus hyperboreus (Pallas) Snow Goose Chen hyperboreus hyperboreus (/) Dawson, Condor, xvii, 1915, p. 204. While on Santa Cruz Island in April, 1915, W. L. Dawson {!) saw a pair of these birds that were kept in captivity at the ranch house. They were winged, of course, and had been taken from flocks numbering several thousand which visited the island during the winter of 1914. 49. Anser albifrons gambeli Hartlaub White-fronted Goose Anser gambeli (J) Linton, Condor, x, 1908, p. 126. C. B. Linton (1) found this goose abundant on Santa Rosa Island in Novem- ber, 1907, and he (MS) informs me that the fishermen at Santa Cruz Island are in the habit of running over to Santa Rosa to get them for Christmas. I have been told by several fishermen that a goose, probably this one, is found on Ana- capa in flocks daring part of the winter. 50. Ardea herodias herodias Linnaeus Great Bi.ue Heron Ardea herodias (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. (2) Blake, Auk, iv, 1887, p. 329. (3) Grinnell, Pasadena Acad. Sci., i, 1897, p. 26. (//) Breninger, Auk, XXI, 1904, p. 223. (.5) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (6') Linton, Condor, x, 1908, p. 83. (7) Linton, Condor, x, 1908, p. 126. (8) Wright, Condor, xi, 1909, p. 100. (9) Wright and Snyder, Condor, xv, 1913, p. 91. Ardea herodias herodias (10) Willett, Pac. Coast Avif., 7, 1912, p. 30. Ardea herodias oligista (11) Oberholser, Proc. U. S. Nat Mus., xliii, 1913, p. 553. Ardea herodias hyperonca (12) Grinnell, Pac. Coast Avif., 11, 1915, p. 43. P"'airly common about all of the islands but evidently breeding on only a few of them. I have seen these birds all through the spring and early summer stand- ing on the kelp beds in the vicinity of the Coronados. From San Clemente, H. C. ()l)erholser (11) has described a subspecies, the 44 PACIFIC COAST AVIFAUNA No. 12 type being an almost adult male taken August 26, 1894. It is similar to the mainland bird, but smaller, and the describer says that in addition to the type locality, it probably occurs on Santa Cruz, San Nicolas, Anacapa and Catalina. Now I am very familiar with the Coronados Islands,. having lived on them for as long as two months at a time, and I am morally certain that no herons breed there. Besides, I have seen one as far as five miles from the islands, flying to- wards the mainland. In addition. G. Willett (MS) says that he has seen them in flight between Anacapa and the mainland. If they fly back and forth from these two islands, it is reasonable to suppose that they do the same from the oth- ers, and if this is the case it is hard to believe that an island subspecies exists. I have before me two Great Blue Herons from the islands, one from the col- lection of A. van Rossem, shot by him on San Clemente, September 30, 1908, the other, from my own collection, taken on Catalina by H. Wright, May 25, 1908. Although they are both males, and, as far as I can tell, near the age of Mr. Ober- holser's type, I can see no difference to warrant separation of the island bird. Following are the average measurements of the eleven specimens of A. h. liyper- onca from the Pacific slope of California as given by Mr. Oberholser in his orig- inal description of that subspecies, his measurements of the type of oligista, and the average of my two island specimens. Wing- Tail Culmen Tarsu.s Toe' 11 A. h. hyperonca 485.7 184.7 142.7 180.5 107.2 ty Vie, A. h. oligista 433 187 149 184 101 2 skins from islands 492 182.5 148.7 182.3 113 'Middle toe without claw. Some allowance should of course be made for two different people taking measurements, but even with a generous margin to allow for variation in this, it M'ill be seen that my two birds have even longer wings and middle toes than the mainland ones, while the shortness of these two members was the chief claim to subspecific rank of the type of oligista. C. B. Linton (MS) saw several Great Blue Herons at San Nicolas during January, 1911, and I have seen an occasional individual at Catalina at different times of the year. H. Wright (9) records one at Anacapa, July 5, 1912, and A. van Rossem and I saw a number at Santa Cruz in April, 1911. In the vicinity of the islands these birds spend most of their time perched on the kelp beds waiting for fish. The kelp sinks under them to a certain ex- tent, and they appear as if their legs were but half the length that they really are. Those that breed upon the islands build their nests in niches of the cliffs. 51. Butorides virescens anthonyi (Mearns) Anthony Green Heron Butorides virescens anthonyi (1) Oberholser, Proc. U. S. Nat. Mus., xlii, 1912, p. 543. H. C. Oberholser (MS) informs me that his record for this bird on the Cor- onados (1) is based on a specimen taken in that locality by A. W. Anthony, May 11, 1885. C. B. Linton (MS) tells me that he also secured a l)ird on Santa Cruz Island. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 45 52. Nycticorax nycticorax naevius (Boddaert) Black-crowned Night Heron Nycticorax nycticorax naevius (1) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (2) Willett, Pac. Coast Avif., 7, 1912, p. 31. E. A. Mearns (1) saw a bird of this species on San Clemente Island, August 22 to 29, 1894. 53. Porzana Carolina (Linnaeus) SORA Porzana Carolina (1) Linton, Condor, xi, 1909, p. 193. C. B. Linton (1) found the partly eaten remains of one of these birds on San Clemente Island during the winter of 1908. 54. .Fulica americana Gmelin Coot Fulica americana (1) Liuton, Condor, x, 1908, p. 126. But one record, that of a bird seen by C. B. Linton (1) December 18, 1907, at Prisoner's Harbor, Santa Cruz Island. 55. Phalaropus fulicarius (Linnaeus) Red PlIALAROPE Crymophilus fulicarius (1) Streator, Orn. & Ool., xiii, 1888, p. 54. (2) Mearns, Bull. U. S. Nat. Mus., LVI, 1907, p. 141. (S) Linton, Condor, x, 1908, p. 126. Phalaropus fulicarius (Jf) Willett, Pac. Coast Avif., 7, 1912, p. 33. {■'>) Grinnell, Pac. Coast Avif., 11, 1915, p. 48. Abundant at certain times during the migrations about the islands. On April 10, 1911, I saw two of these birds feeding near the rocks of Catalina, and E. A. Mearns (2) took specimens at San Clemente, August 22 to 29, 1894. C. P. Streator (1) observed a number in the kelp fields near San Nicolas during the middle of the fall, and C. B. Linton and G. Willett (.5) found them abundant in the vicinity of Anacapa and Santa Cruz islands until November 27. By Decem- ber 5 the majority had left for the south. 56. Lobipes lobatus (Linnaeus) Northern Phalarope Lobipes lobatus (1) Willett, Pac. Coast Avif., 7, 1912, p. 34. Abundant migrant in the open channel, but few are seen near the shores of the islands. C. B. Linton (1) took two birds from a large flock near Santa Cruz Island, October 21, 1908, and A. van Rossem and I saw a few in the same locality May 2, 1911. 57. Recurvirostra americana Gmelin AVOCET Recurvirostra americana (?) Henshaw, Rep. Wheeler Surv., 1876, p. 270. 46 PACIFIC COAST AVIFAUNA No. 12 H. W. Henshaw {!) reports that diiring the middle of June, 1875, on Santa Cruz Island, several of these birds had paired and were living on the beaches. He thought that they may have been breeding, but in this conclusion I believe that he may have been mistaken. 58. Himantopus mexicanus (Miiller) Black-necked Stilt Himantopus mexicanus (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 26. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 49. J. Grinnell (1) shot a male of this species May 25, 1897, that was standing at the edge of a pool on San Nicolas Island, and C. B. Linton (MS) secured one in the same locality. 59. Macrorhaniphus griseus scolopaceus (Say) Long-billed Dowitcher Macrorhamphus scolopaceus (1) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. MacrorJiamphus griseus scolopaceus (2) Willett, Pac. Coast Avif., 7, 1912, p. 35. E. A. Mearns {1) reports having seen this bird on San Clemente Island, May 22 to 29, 1894. 60. Pisobia bairdi (Coues) Baird Sandpiper Pisobia bairdi (/) Grinnell, Condor, xi, 1909, p. 139. (2) Willett, Pac. Coast Avif., 7, 1912, p. 36. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 50. An immature male of this species was taken at Catalina, September 1, 1907, by H. Wright (i). 61. Pisobia minutilla (Vieillot) Least Sandpiper Actodromas minutilla (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. Tringa minutilla (2) Linton, Condor, x, 1908, p. 126. Pisobia minutilla (3) Linton, Condor, xi, 1909, p. 194. Common during migration on the sandy beaches of the islands. At San Clemente, C. B. Linton (3) saw flocks of these birds, and took a few specimens in December, 1908. He (MS) also saw many at San Nicolas during January, 1911. J. G. Cooper (1) recorded it from Catalina, and Linton (2) met with it at Santa Cruz Island during November and December, 1907. In the same locality, May 1, 1911, A. van Rossem and I saw a flock of what we believed to be this species. 62. Ereunetes mauri Cabanis Western Sandpiper Ereunetes mauri {1) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (2) Linton, Condor, XI, 1909, p. 194. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 51. Probably a fairly common migrant on the sandy beaches of the islands. E. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 47 A. Mearns (1) shot some of these birds at San Clemente from August 22 to 29. 1894, and C. B. Linton (2) states that at the same place he met with it together with the last species during December, 1908. 63. Calidris leucophaea (Pallas) Sanderling Calidris arenaria (1) Henshaw, Rep. Wheeler Surv., 1876, p. 271. (2) Breninger, Auk, XXI, 1904, p. 222. (3) Linton, Condor, x, 1908, p. 126. Calidris leucophaea (//) Linton, Condor, xi, 1909, p. 194. (J) Willett, Pac. Coast Avif., 7, 1912, p. 37. (6) Grinnell, Pac. Coast Avif., 11, 1915, p. 51. Common winter visitant to suitable parts of the islands. C. B. Linton (5) has found this species on San Nicolas as late as May 30. He (i) says that it is common during the winter at San Clemente, where Breninger (2) also found flocks in February, 1903. Linton (3) has noted it on Santa C-ruz Island during November and December, 1907, 64. Totanus melanoleucus (Gmelin) Greater Yellow-legs Totanus melanoleucus (1) Streator, Orn. & Ool., xiir, 1888, p. 53. (2) Osburn, Condor, XI, 1909, p. 137. C. P. Streator (1) reports having seen one of these birds on Santa Cruz Isl- and in 1886. No specimen was obtained, and it is with some hesitation that I in- clude the species. As it is a common migrant on the mainland, however, and not hard to identify in life, I have ventured to do so. 65. Helodromas solitarius cinnamomeus (Brewster) Western Solitary Sandpiper Totanus solitarius (i) Streator, Orn. & Ool., xiii, 1888, p. 53. Helodromas solitarius cinnamomeus (2) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (3) Willett, Pac. Coast Avif., 7, 1912, p. 38. Rather rare migrant. C. P. Streator (1) met with this bird on both San Nicolas and Santa Cruz islands in 1886, and E. A. Mearns (2) reported it from San Clemente the latter part of August, 1894. 66. Catoptrophorus semipalmatus inomatus (Brewster) Western Willet Symphemia semipalmata inornata (/) Streator, Orn. & Ool., xiii, 1888, p. 54. Catoptrophorus siennipalmatus^. inomatus {2) Willett, Condor, xii, 1910, p. 173. Catoptrophorus semipalmatus inomatus (3) Willett, Pac. Coast Avif., 7, 1912, p. 38. Regular migrant to suitable parts of the islands. C. P. Streator {!) re- ported it from San Nicolas in the fall of 1886, and C. B. Linton {MS) met with it upon the same island during January, 1911. G. Willett {2) records a flock of ten or twelve birds seen at the west end of San Miguel, June 17, 1910. 48 PACIFIC COAST AVIFAUNA No. 12 67. Heteractitis incanus (Gmelin) Wandering Tattler Heteroscelus incanus (1) Henshaw, Rep. Wheeler Surv., 1876, p. 272. (2) Baird, Brewer and Ridgway, Water Birds N. Am., i, 1884, p. 291. Heteractitis incanus (3) Blake, Auk, iv, 1887, p. 329. (//) Sharpe, Cat. Birds Brit. Mus., XXIV, 1896, p. 455. (5) Grinnell, Pasadena Acad. Sci., i, 1897, p. 26. {6) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 18. (7) Grinnell and Daggett, Auk, xx, 1903, pp. 33, 37. (8) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (D) Linton, Condor, x, 1908, p. 83. (10) Linton, Condor, x, 1908, p. 126. (11) Grinnell, Condor, x, 1908, p. 130. (12) Wright, Condor, xi, 1909, p. 100. (13) Osburn, Condor, xi, 1909, p. 137. (1^) Willett, Condor, xii, 1910, p. 173. (lo) Howell, Condor, xii, 1910, p. 186. (16) Burt, Condor, xiii, 1911, p. 164. (11) Willett, Pac. Coast Avif., 7, 1912, p. 38. (18) Grin- nell, Pac. Coast Avif., 11, 1915, p. 53. Wandering Tattler (19) Willett, Condor, xii, 1910, p. 171. Common migrant to all the islands, and recorded during every mouth of the year. Most abundant from August to the first part of May. Almost every or- nithologist who has visited the islands in winter has met with this bird, and there are about a dozen records for non-breeders during the summer months. They are fond of frequenting the foam-sprayed rocks off shore, singly or in twos, and not infrequently in the company of Black Turnstones. Here, when observed, they will squat motionless or steal over a ridge of rock. 68. Actitis macularia (Linnaeus) Spotted Sandpiper Actitis macularia (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 26. (2) Grinnell, Pasa- dena Acad. Sci., ii, 1898, p. 18. (3) Grinnell and Daggett, Auk, xx, 1903, pp. 33, 37. (4) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (5) Linton, Condor, x, 1908, p. 83. (6') Linton, Condor, x, 1908, p. 126. (7) Grinnell, Condor, x, 1908, p. 130. (8) Osburn, Condor, xi, 1909, p. 137. (9) Willett, Pac. Coast Avif., 7, 1912, p. 39. Actitis macularius (10) Grinnell, Pac. Coast Avif., 11, 1915, p. 53. Common on the islands in winter, and, as with the last mentioned species, occurring during every month of the year. On the Coronados I have seen them repeatedly in the spring and occasionally during the early summer; J. Grinnell and F. S. Daggett {3) note two seen August 6, 1902, in the same locality. C. B. Linton (5) found the species fairly common at Clemente during the fall and winter of 1907, and I saw a bird on the rocks there ^larcli 29, 1915. J. Grinnell {2) reports it as tolerably common at Catalina in December, 1897, and I have seen individuals both here and at Santa Barbara Island in late April and early May. Grinnell {'/) also saw several at Anacapa, September 4, 1903; Linton (6) found numbers at Santa Cruz Island in November and December, 1907, where A. van Rossem and I noted them during the latter part of April, 1911. 69. Numenius hudsonicus Latham Hudsonian Curlew Numenius hudsonicus (1) Grinnell and Daggett, Auk, xx, 1903, pp. 33, 37. (2) Brenin- ger. Auk, xxi, 1904, p. 222. (3) Linton, Condor, x, 1908, p. 126. ('/) Cooke, Bull. U. S. Biol. Surv., xxxv revised, 1912, p. 74. (o) Grinnell, Pac. Coast Avif., 11, 1915, p. 54. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS -49 Probably a regular but not very common migrant. J. Grinnell and F. S. Daggett (1) observed two of this species flying over the Coronados, August 7, 1902 ; Breninger (2) noted a few at San Clemente in February, 1903 ; C. B. Lin- ton (3) took a bird December 8, 1907, at Santa Cruz, and (MS) lias also seen birds on San Nicolas. 70. Squatarola squatarola (Linnaeus) Black-bellied Plover Squatarola helvetica (1) Baird, Brewer and Rldgway, Water Birds N. Am,, i, 1884, p. 136. Squatarola squatarola (2) Breninger, Auk, xxi, 1904, p. 218. (3) Linton, Condor, x, 1908, p. 126. (//) Willett, Pac. Coast Avif., 7, 1912, p. 39. Rather common migrant at suitable localities. C. B. Linton (4) saw one of these birds in full summer plumage at San Nicolas Island, June 1, 1910, and G. F. Breninger (2) observed thousands on the shores of San Clemente in Febru- ary, 1908. J. G. Cooper (1) took a female on Catalina, November 1, 1861, now in the ^Museum of Vertebrate Zoology at Berkeley, and C. B. Linton (5) found it common on Santa Cruz during November and December, 1907, large flocks being seen feeding on the mesas one half to one mile inland. 71. Oxyechus vociferus (Linnaeus) KiLLDEER Aegialitis vocifera (i) Linton, Condor, x, 1908, p. 126. Straggles to the islands in the winter. I saw a lone individual of this spe- cies, March 25, 1915, at a little pond on the top of San Clemente Island. C. B. Linton (MS) noted several on San Nicolas in January, and a number on Santa Cruz during November and December, 1907. 72. Aegialitis semipalmata (Bonaparte) Semipalmated Plover Aegialitis semipalmata (1) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (2) Willett, Pac. Coast Avif., 7, 1912, p. 40. Evidently a rather rare winter straggler from the mainland. E. A. Mearns (1) took this species on San Clemente the latter part of August, 1894, and C. B. Linton (2) saw it at San Nicolas, April 18 and May 6, 1910. 73. Aegialitis nivosa Cassin Snowy Plover Aegialitis nivosa (i) Grinnell, Pasadena Acad. Sci., i, 1897, p. 26. (2) Linton, Condor, X, 1908, p. 83. (3) Linton, Condor, x, 1908, p. 126. 14) Willett, Pac. Coast Avif., 7, 1912, p. 40. (5) Grinnell, Pac. Coast Avif., 11, 1915, p. 55. Found on most of the sandy beaches of the islands, where apparently breed- ing. C. B. Linton (2) saw a flock of fifteen or twenty birds on San Clemente, October 15, 1907, and says (MS) that they breed on San Nicolas. He (3) also reported it as fairly common during the late fall of 1907 at Santa Cruz Island. 0. W. Howard (i) has seen it at San Miguel during the summer months. 50 PACIFIC COAST AVIFAUNA No. 12 74. Podasocys montanus (J. K. Townsend) Mountain Plover Podasocys montana {1) Breninger, Auk, xxi, 1904, p. 222. Podasocys montanus {2) Willett, Pac. Coast Avif., 7, 1912, p. 41. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 56. G. F. Breninger (1) took one of these birds on San Clemente in February, 1903, and states that he was informed that they wintered on the island in large numbers. If this was the case they are undoubtedly much rarer there at this time than formerly, as is also true in the lowlands of the adjacent mainland. 75. Aphriza virgata (Gmelin) Surf-bird A2)hriza virgata (i) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. (.») Baird, Brewer and Ridgway, Water Birds N. Am., i, 1884, p. 127. (.?) Grinnell, Pac. Coast Avif., 3, 1902, p. 28. (//) Willett, Pac. Coast Avif., 7, 1912, p. 41. (.7) Grinnell, Pac. Coast Avif., 11, 1915, p. 56. Rare migrant on the islands though probably commoner there than on the mainland opposite. C. B. Linton (4) took an adult on San Nicolas, May 15, 1909, and J. G. Cooper (1) saw birds on Santa Barbara and Catalina islands which he took to be of this species. L. M. Loomis ( i) says that R. H. Beck secured sev- eral on San Miguel from March 13 to April 1, 1903. My experience with this species on the mainland leads me to believe that it is a rapid migrant, and in the habit of making long flights, touching usually only at certain favorable promon- tories and headlands in its line of travel. If this is the case, the islands should be favorite resting places for the birds, and I believe that systematic work on the rocks of the Santa Barbara group at the right season would prove them to be not so rare as they are usually considered. Indications are that during the spring, the first week in May is the most likely time to look for them. 76. Arenaria interpres morinella (Linnaeus) Ruddy Turnstone Arenaria interpres morinella (1) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (2) Grinnell, Condor, xi, 1909, p. 139. (J) Willett, Pac. Coast Avif., 7, 1912, p. 41. (4) Wright and Snyder, Condor, xv, 1913, p. 91. Probably a regular though not a plentiful migrant. E. A. IMearns (1) took this bird at San Clemente in late August, 1894, and C. B. Linton (5) found it fairly common on the rocks of San Nicolas from March 30 to May 11, 1910. H. Wright (2) shot an immature male at Catalina, September 3, 1907, and (i) saw one at Pelican Harbor, Santa Cruz Island, July 8, 1912. C. B. Linton (3) noted two birds on San Miguel, October 15, 1910. 77. Arenaria melanocephala (Vigors) Black Turnstone Stripsilas melanoceplialus (J) Henshaw, Rep. Wheeler Surv., 1876, p. 270. Arenaria melanocephala (2) Blake, Auk, iv, 1887, p. 329. (3) Streator, Orn. & Ool., xiii. 1017 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 51 1888, p. 53. (//) Sharpe, Cat. Birds Brit. Mus., xxiv, 1896, pp. 102, 729. (.5) Grinnell^ Pasadena Acad. Sci., i, 1897, p. 26. {(>) Grinnell, Pasadena Acad. Sci., ii, 1898, p. 19. (7) Davie, Nests & Eggs N. Am. Birds, 5th ed., 1898, p. 159. (8) Grinnell and Daggett, Auk, XX, 1903, pp. 33, 37. (il) Breninger, Auk, xxi, 1904, p. 218. (10) Mearns, Bull. U. S. Nat. Mus., Lvi, 1907, p. 141. (11) Linton, Condor, x, 1908, p. 83. (12) Linton, Condor, x, 1908, p. 126. (13) Grinnell, Condor, x, 1908, p. 130. (14) Wright, Condor, XI, 1909, p. 100. (l.j) Osburn, Condor, xi, 1909, p. 137. (16) Willett, Condor, xii, 1910, p. 173. (/?) Cooke, Bull. U. S. Biol. Surv., xxxv revised, 1912, p. 99. (IS) Wil- lett, Pac. Coast Avif., 7, 1912, p. 42. An abundant migrant, and common throughout the winter. Non-breeders occasionally seen all through the summer. The majority arrive about the mid- dle of August and leave the middle of May. Breeding plumage is assumed to- wards the last of April. This is by far the most a])undant shore bird on the isl- ands, much more so than on the mainland, occurring in flocks of as many as thir- ty individuals, and freciuenting the rockiest shores. 78, Haematopus frazari Brewster Frazar Oyster-catcher Haematopus palliatus (1) Cooper, Proc. Calif. Acad. Sci., iv, 1868, p. 8. (?) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. (3) Baird, Brewer and Ridgway, Water Birds N. Am., I, 1884, p. 113. Haematopus frazari ('/) Davie, Nests & Eggs N. Am. Birds, 5th ed., 1898, p. 161. (.'>) Brewster, Birds Cape Region Lower Calif., 1902, p. 74. (6) Grinnell, Pac. Coast Avif., 3, 1902, p. 29. (7) Grinnell and Daggett, Auk, xx, 1903, pp. 29, 33, 37. (S) Osburn, Condor, xiii, 1911, p. 76. (9) Cooke, Bull. U. S. Biol. Surv., xxxv revised, 1912, p. 42. (10) Willett, Pac. Coast Avif., 7, 1912, p. 42. (//) Grinnell, Pac. Coast Avif., 11, 1915, p. 57. Rare straggler from farther south during the late summer. J. Grinnell (7) took one specimen on the Coronados, August 6, 1902, and saw another the follow- ing day. J. G. Cooper (2) shot a female on Santa Barbara Island, June 2, 1863, that held an egg nearly ready to be laid. Although tliis would indicate that the bird was breeding in the vicinity, we have no cause to suppose that the species has bred within our range since that time at least. 79. Haematopus bachmani Audubon Black Oyster-catcher Haematopus niger (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. (2) Henshaw, Rep. Wheeler Surv., 1876, p. 270. (3) Baird, Brewer and Ridgway, Water Birds N. Am., I, 1884, p. 116. (//) Streator, Proc. Sta. Barbara Soc. Nat. Hist., i, 1887, p. 22. (5) Sharpe, Cat. Birds Brit. Mus., xxiv, 1896, p. 121. Haematopus bachmani (6) Blake, Auk, iv, 1887, p. 329. (7) Streator, Orn. & Ool., xiii, 1888, p. 53. (8) Brewster, Birds Cape Region Lower Calif., 1902, p. 75. (<)) Grinnell and Daggett, Auk, xx, 1903, pp. 33, 37. (10) Linton, Condor, x, 1908, p. 126. (11) Grinnell, Condor, x, 1908, p. 130. (1.2) Wright, Condor, xi, 1909, p. 100. (13) Os- burn, Condor, xi, 1909, p. 137. (1.',) Willett, Condor, xii, 1910, p. 173. (/.T) Osburn, Condor, xiii, 1911, p. 32. (16) Burt, Condor, xiii, 1911, p. 164. (/7) Willett, Pac. Coast Avif., 7, 1912, p. 42. (IH) Wright and Snyder, Condor, xv, 1913, pp. 87, 91. (19) Grinnell, Pac. Coast Avif., 11, 1915, p. 57. Haemantopus bachmani (20) Streator, Orn. & Ool., xiii, 1888, p. 54. 52 PACIFIC COAST AVIFAUNA No. 12 Black Oystercatcher (21) Swarth, Bull. Cooper Orn. Club, i, 1899, p. 85. (22) Willett, Condor, xii, 1910, p. 171. Fairly common resident on some of the islands. There were at least four pairs of these birds nesting on the Coronados in 1910, and I several times en- countered the downy young after the middle of June. Breeds on the Coronados, Santa Barbara, Anacapa, Santa Cruz, San Miguel and Santa Rosa islands. Most plentiful on the last, where G. Willett (14) took five sets of eggs, June 17, 1910. Data would seem to indicate that these birds do not lay much before the mid- dle of May. Usually three and more rarely four eggs are laid. In winter the legs and feet are yellow, but towards spring they become bright red. Certain rocky points are selected by the birds, and to these are often brought the barna- cles which they pry off the rocks. These are worked over at leisure, and at one such depot on the Coronados which I examined, there was fully a bushel of shells. 80, Lophortyx calif ornica vallicola (Ridgway) Valley Quail Lophortyx calif ornicus (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 79. (2) Cooper, Land Birds Calif., i, 1870, p. 550. (3) Henshaw, Rep. Wheeler Surv., 1876, p. 266. Callipepla calif ornica vallicola (4) Grinnell, Pasadena Acad. Sci., i, 1897, p. 12. (5) Grinnell, Auk, xv, 1898, p. 234. Lophortyx calif ornicus vallicola (C) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 229. (7) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 142. (S) Wright, Condor, xi, 1909, p. 100. {9) Howell, Condor, xii, 1910, p. 187. Lophortyx catalinensis (10) Grinnell, Auk, xxiii, 1906, p. 262. {11) [Childs], Warbler, III, 1907, p. 1. (12) Richardson, Condor, xi, 1908, p. 66. (IS) Grinnell, Condor, x, 1908, p. 94. (Ut) A. O. U. Committee, Auk, xxv, 1908, p. 391. Lophortyx sp,? (lo) Osburn, Condor, xi, 1909, p. 137. Lophortyx californica vallicola (16) Willett, Pac. Coast Avif., 7, 1912, p. 43. (11) Grin- nell, Pac. Coast Avif., 11, 1915, p. 59. Lophortyx californica catalinensis (18) Grinnell, Pac. Coast Avif., 8, 1912, p. 10. (19) Grinnell, Pac. Coast Avif., 11, 1915, p. 59. Rather rare on the Coronados ; common on Catalina. There are at present a few pairs on south island of the Coronados. L. M. Huey (MS) remembers years ago to have heard talk of a Mr. Babcock of San Diego establishing a hunting pre- serve upon the island, and believes that the birds were introduced at that time. They now seem to have a rather precarious foothold there, and it is likely that Duck Hawks and wild house cats will exterminate them in the near future. In coloration, individuals may be found which somewhat approach californica, but the majority have the markings of vallicola. It is not improbable that a part of the birds which were liberated, were of each race. They are essentially the same as birds from the mainland, four birds from my collection differing only to a slight degree in having shorter bills and middle toes, and longer tails, an insuffi- cient difference to warrant separation. Mr. Howland of, San Clemente Island, tells me that there were two or three dozen birds liberated there in 1913, but that he has not seen any of them very recently. G. Willett (16), however, records the species previous to that time (in 1912) as occasional on San Clemente, so that introduction may have taken place at an earlier period. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS .V, The C'atalina quail was separated by J. Grinnell {10), the type being a bird collected November 25, 1904. He says that it is about nine per cent larger than vnlUroJa, and darker and more l)rovvnish dorsally tlian ealifoniica. Tail longer, bill heavier, toes and tarsus stouter, than in eitlicr inainhind i-ace. It was not accepted l)y tlie A. 0. V. Coinmittee (ii), but all tiic l)ir(ls wliicli I liave neon could be easily told from eithei' of the mainland forms, and T believe it to be a good subspecies. They are a])undant on the island. A lialf finished nest found by C. IT. Richardson (12) in April, 1907, differed in no manner from tliat of mainland vallicola. II. W. Henshaw (3) states that quail were at OU'' time introduced on Santa C'l'uz Island, but as none have been taken there as far as I know, tliey have prob- ably disappeared, and there is no way of knowing whether they were califor)nc) Linton, Condor, x, 1908, p. 127. (7) Grinnell, Pac. Coast Avif., 11, 1915, p. 65. Fairly common resident of the larger islands. C. B. Linton (.5) says that several pairs were nesting on San Clemente in 1907, and L. M. Huey (MS) saw a bird there JMarch 25, 1915. I have found it connnon in the early spring at Cat- alina, and on April 11, 1911, discovered in a tree a nest that held two pipped eggs. J. Grinnell (1) saw two or three every day when he was there in Decem- ber, 1897. C. B. Linton (6) noted several on Santa Cruz during November and December. 1907, and A. van Rossem and I saw one theiv May 1, 1911. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 55 86. Buteo swainsoni Bonaparte SwATNSON Hawk Buteo montaniis (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. Buteo swainsoni (2) Howell and van Rossem, Condor, xiii, 1911, p. 209. (3) Willett, Pac. Coast Avif., 7, 1912, p. 47. (//) Grinnell, Pac. Coast Avif., 11, 1915, p. 66. Occurs on two of tlie islands at least. J. G. Cooper (1) says that the spe- cies was present at Catalina, and F. S. Daggett (3) found it common there from August 1 to 16, 1898, one specimen having been taken. I (2) obtained a good view of one on Santa Cruz, April 30, 1911. 87. Haliaeetus leucocephalus leucocephalus (Linnaeus) Bald Eagle Haliaetus levcocepJwlus (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. (?) Cooper, Land Birds Calif., i, 1870, p. 452. (,^)Henshaw, Rep. Wheeler Surv., 1876, p. 264. Haliaeetus leucocephalus (//) Blake, Auk, iv, 1887, p. 329. (5) Streator, Orn. & Ool., XIII, 1888, p. 53. (6) Belding, Land Birds Pac. Dist., 1890, p. 41. (7) Keeler, Zoe, I, 1891, p. 339. (.s) Grinnell, Pasadena Acad. Sci., i, 1897, pp. 5, 9, 13. (9) Grinnell. Auk, XV, 1898, p. 234. (10) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 42. (11) Grinnell and Daggett, Auk, xx, 1903, pp. 33, 37. (12) Breninger, Auk, xxi, 1904, p. 219. (13) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (/'/) Richardson, Con- dor, X, 1908, p. 66. (I.-)) Linton, Condor, x, 1908, p. 83. (Hi) Grinnell, Condor, x, 1908, p. 130. (17) Burt, Condor, xni, 1911, p. 164. (IS) Howell and van Rossem, Condor, xiii, 1911, p. 209. Haliaeetus leucocephalus leucocephalus (19) Grinnell, Pac. Coast Avif., 3, 1902, p. 33. (20) Linton, Condor, x, 1908, p. 127. (21) Willett, Pac. Coast Avif., 7, 1912, p. 48. (22) Wright and Snyder, Condor, xv, 1913, p. 86. (23) Grinnell. Pac. Coast Avif., II, 1915, p. 67. Bald Eagle (2^) Willett, Condor, xn, 1910, p. 171. Common resident of the Santa Barbara group. J. Grinnell and F. S. Dag- gett {11) saw an eagle on the Coronados, August 6, 1902, and were told that i\ pair of them had a nest. One of these birds was later killed, and during my sev- eral visits since 1910 I have never seen one. D. R. Dickey, L. M. Huey and I found them nunierous on San Clemente in the spring of 1915, and a pair that occupied an accessible nest still had eggs April 3. C. B. Linton {15) says that scattered about the base of the cliffs Avhere the nests were situated, were numerous skeletons of sheep and young lambs, but Mr. Howland told us that during fifteen years of almost continued residence on the island, lie had never seen an eagle carrying a lamb but once, and that was one that had died a natural death. He was quite sure that they did not molest the sheep at all. Worked into the material tliat formed the above nest found by ]\Ir. Dickey, was the dessicated remains of a whole fox. Eagles are reported as abundant on San Nicolas, and J. G. Cooper {2) states that on July 9, in the sixties, he saw more than thirty birds in immature plumage soaring about the north end of Catalina. A number are killed here annually by tourists and sheepherders, until now they are not quite so abundant. Still, sev- eral individuals may be seen at almost any time, and many of their nests are on 56 PACIFIC COAST AVIFAUNA No. 12 the cliffs. These are sometimes also built in the wind-bloMH trees near the preci- pices. I liave seen eagles about Sant}) Barbara Island, as liave others, l)nt as the island is rather small, I think it pi'obable that tliere is l)ut one resident p^ir. Sev- eral i)airs are resident on Anaeapa, and it is int(M-esting to note, as H. C. Burt {17) remarks, that all the sticks which enter into the construction of nests on this island, must laboriously be carried across five miles of sea from Santa Cruz Island. On the latter island they are said to kill lambs occasionally, and so are undoubtedly shot by the herders at every opportunity. A. van Rossem and I {18) found that most of the birds nested on the sea cliffs, but one nest was found in a large tree, well back in a canyon. This nest, on May 2, 1911, held a single young the size of a hen. The Bald Eagle occurs on San Miguel and undoubtedly on Santa Rosa as well. The majority would seem to lay the first part of February, but fresh eggs may be found until late March. 88. Falco mexicanus Schlegel Prairie Falcon Falco mexicanus (/) Streator, Orn. & Ool., xiii, 1888, p. 5.3. (2) Keeler, Zoe, i, 1891, p. 340. Both C. P. Streator {!) and C. A. Keeler (5) record the Prairie Falcon from San IMiguel, but no one else has since found it. 89. Falco peregrinus anatum Bonaparte Duck Hawk Falco communis var. anatum (1) Henshaw, Rep. Wheeler Surv., 1876, p. 262. Falco nigripes (2) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. (3) Cooper, Land Birds Calif., I, 1870, p. 456. Falco peregrinus anatum (//) Belding, Land Birds Pac. Dist., 1890, p. 42. {■'>) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 44. (6) Breninger, Auk, xxi, 1904, p. 220. (7) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (8) Linton, Condor, x, 1908, p. 83. {9) Linton, Condor, x, 1908, p. 127. {10) Wright, Condor, xi, 1909, p. 100. {11) Howell, Condor, xii, 1910, p. 186. {12) Burt, Condor, xiii, 1911, p. 166. {13) Wil- lett, Pac. Coast Avif., 7, 1912, p. 49. (///) Wright and Snyder, Condor, xv, 1913, p. 91. {lo) Grinnell, Pac. Coast Avif., 11, 1915, p. 67. Falco anatum anatum, {16) Grinnell and Daggett, Auk, xx, 1903, pp. 33, 37. Duck Hawk (/7) Willett, Condor, xii, 1910, p. 171. Common resident of all the islands. At least three and probably four pairs of these birds breed on the Coronados. During late March and early April, 1915, on San Clemente, I repeatedly saw a pair, but was unable to locate their nesting site. G. Willett {13) took a set of four eggs on Catalina, April 8, 1904, and I have observed several of the birds on the northwest part of the island. T flushed a pair from the cliff on the seaward side of Santa Barbara Island, where they undoubtedly had a nest of young, May 1, 1908, and H. C. Burt (12) noted a pair on Anaeapa. On Santa Cruz, O. W. Howard (/.?) collected a set April 5, 1906, 1!»17 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 57 and C B. Linton (9) says it is quite common tlierc. Willett (17) found Duck Hawks to be common on San IMiguel the middle of June, 1910. AVliere there are colonies of small pelagic birds, these falcons are the com- inouest. They usually nest on inaccessible cliffs, but on north island of the C'or- oUfulos group, they breed on ledges in the caves of the hillsides, and arc easily accessible without a rope. A. van Rossem (MS) found a set of eggs there that were deposited on a bare ridge close to a path. Fresh eggs may l)e looked for during the last half of March and first of April. J. Grinnell and F. S. Daggett (16), on the Coronados, found skins of the Western Gull turned wrong side out over the head, leaving the skeletons picked clean, and believe that the hawks were responsible. H. Linton and G. Willett (.9) saw one take a Red Phalarope from the kelp near the shore of Santa Cruz Island. First one and then another of a pair of falcons chased the little fellow until lie was tired out. C. B. Linton (.9) states that Black Turnstones are a fa- vorite prey. As previously stated, they do great damage among the colonies of petrels, auklets and murrelets during the nesting season, while in winter, not even that expert diver the Rhinoceros Auklet is immune from their successful at- tacks. I have found that when the young Duck Hawks are thoroughly strong on the wing, the majority forsake the islands, and probably spend the rest of the season along the mainland coast. On the Coronados, June 8, 1913, .A. van Ros- sem shot an immature bird which tumbled down a cliff. As we were approaching it in a skiff two hours later, an adult arose from the carcass, and upon examina- tion we found that the whole back and one wing had been eaten away, so the species evidently has cannibalistic tendencies. 90. Falco columbarius columbarius Linnaeus Pigeon Hav^'^k Falco columbarius (1) Linton, Condor, x, 1908, p. 127. Rather rare winter visitant. While D. R. Dickey was removing a fox from a trap on San Clemente Island, March 30, 1915, a pair of these birds circled closely around him for two or three minutes. He says that there could have been no mistake in identification, and from then until we left, April 11, we several times saw what were evidently the same birds. C. B. Linton (1) noted a few in the canyons of Santa Cruz Island during November and December, 1907. 91. Falco sparverius phalaena (Lesson) Desert Sparrow Haw^k Falco sparverius deserticolus (7) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 44. Falco sparverius (3) Linton, Condor, x, 1908, p. 83. (3) Wright and Snyder, Condor, XV, 1913, p. 91. Falco sparverius phaloena (.'{) Linton, Condor, x, 1908, p. 127. (T) Osburn, Condor, XI, 1909, p. 137. (6) Burt, Condor, xiii, 1911, p. 166. Sparrow Hawk (7) Willett, Condor, xii, 1910, p. 172. Reported from several islands, and probably resident. C. B. Linton (MS) says that he has seen these birds on San Nicolas Island; he (2) recorded them as occasional on San Clemente, in 1907. IT. C. Burt (6) rex)orted a pair on Ana- 58 PACIFIC COAST AVIFAUNA No. 12 eapa, March 15, 1911, and A. van Rossem (MS) noted two on Santa Cruz, April 25 of the same year. In the latter locality Linton (i) secured a pair during De- cember, 1907, and G. Willett (7) saw the wings of a female tliat was shot on San Miguel in 1910. 92. Pandion haliaetus carolinensis (Gmelin) OSPREY Pandion carolinensis (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. (2) Grinnell, Pac. Coast Avif., 3, 1902, p. 34. (3) Linton, Condor, x, 1908, p. 127. Pandion haliaeetus carolinensis (.'/) Streator, Orn. & Ool., xiii, 1888, p. 53. Pandion haliaetus carolinensis [3) Belding, Land Birds Pac. Dist., 1890, p. 46. (6) Grinnell, Pasadena Acad. Sci., i, 1897, pp. 9, 14. (7) Breninger, Auk, xxi, 1904, p. 219. (S) Mearns, Bull. U. S. Nat. Mus., i.vi, 1907, p. 141. (.9) Linton, Condor, x, 1908, p. 83. (10) Willett, Pac. Coast Avif., 7, 1912, p. 49. (ll) Grinnell, Pac. Coast Avif., 11, 1915, p. 69. Fairly common breeder on some of the islands, but the majority seem to win- ter south of us. I think it doubtful if any of these birds nest on the Coronados, and have seen but one in that locality, this on June 30, 1913. We noted a good many at San Clemente in the early spring of 1915, and were told of a number of nests; C. B. Linton (9) says that they are plentiful at San Nicolas. Present in some numbers at Catalina, but not as abundant as formerly, owing to the de- predations of the tourists. Still every detached rock of any height has its resi- dent pair. C. P. Streator (i) reported the species from Santa Cruz in 1886, and Linton (3) noted one bird there, November 20, 1907. These two are the north- ernmost island records, and it is not believed that the species breeds on the isl- ands, north of Catalina. The time for egg laying seems to vary considerably. I have found fresh eggs as early as March 7, and have watched birds constructing a nest April 28. 93. Aluco pratincola (Bonaparte) Barn Owl Strix pratincola (1) Linton, Condor, x, 1908, p. 127. Aluco pratincola (2) van Rossem, Condor, xi, 1909, p. 208. (3) Howell and van Rossem, Condor, xiii, 1911, p. 209. ('/) Willett, Pac. Coast Avif., 7, 1912, p. 50. (5) Grin- nell, Pac. Coast Avif., 11, 1915, p. 69. Tyto perlata pratincola (6) Ridgway, Birds North & Mid. Am., vi, 1914, p. 607. Rather rare resident of some of the islands. A. van Rossem (,2) saw one on the Coronados, April 9, 1909. which I am inclined to think was a straggler from the mainland, as no one else has met with it there, and this group has been very thoroughly worked. G. Willett (1) shot a specimen on Santa Cruz, November 20, 1907, and A. van Rossem and I saw one there on the night of April 27, 1911. H. C. Burt (4) collected a bird on Anacapa. 94. Asio wilsonianus (Lesson) LONG-EARED OWL Asio wilsonianus (/) Linton, Condor, xi, 1909, p. 194. (:2) van Rossem, Condor, xi, 1909, 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 59 p. 208. (;}) Willett, Pac. Coast Avif., 7, 1912, p. 50. (',) Grinnell, Pac. Coast Avif., 11, 1915, p. 69. Ratlier rare resident of San Cleniente and Catalina. Aecidental on the Cor- onados, where J. B. Dixon {:2) saw one xVpril 7, 1909. C. B. Linton (]) met with four, on(> of which lie sliot, on San Clemente, diirinp: Deeemher, 1908. 0. W. Howard (.V) found six nearly half-^i'own yoiingc in an old raven's nest on Cata- lina in April, 1909, and I saw a single adult in the same locality, April 13, 1910. 95. Asio flammeus (Pontoppidan) Short-eared Owl Asio flammeus (/) Grinnell, Auk, xv, 1898, p. 234. (2) Willett, Pac. Coast Avif., 7, 1912, p. 50. Asio accipitrinus (.?) Osburn, Condor, xi, 1909, p. 137. Casual wanderer to the islands. J. Grinnell (1) saw a newly mounted spe- cimen of this owl on Catalina during the latter part of December, 1897, that had been shot the week before. 96. Bubo virginianus pacificus Cassin Pacific Horned Owl Bubo virginianus pacificus ( / ) Willett, Pac. Coast AviL, 7, 1912, p. 53. O. W. Howard {1) saw a horned owl on Santa Cruz Island, April 29, 1906, which was presumably this form. It may either be a rare resident of the island, or the one specimen may have w^andered from the mainland. 97. Speotyto cunicularia hypogaea (Bonaparte) Burrowing Owl Athene cunicularia (i) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. 8ipeotyto'\. cunicularia hypogaea (2) Streator, Orn. & Ool., xiii, 1888, p. 54. Speotyto cunicularia hypogaea (3) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, p. 140. ('/) Keeler, Zoe, i, 1891, p. 340. (.',) Grinnell, Auk, xv, 1898, p. 234. (6) Breninger, Auk, XXI, 1904, p. 222. (7) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (.S) Lin- ton, Condor, x, 1908, p. 84. (.0) Linton, Condor, x, 1908, p. 127. (10) van Rossem, Condor, xi, 1909, p. 208. (//) Willett, Pac. Coast Avif., 7, 1912, p. 53. (12) Ridg- way, Birds North & Mid. Am., vi, 1914, p. 817. Burrowing Owl (13) Willett, Condor, xii, 1910, p. 172. (IJi) Burt, Condor, xiii, 1911, p. 166. Resident on the islands but not common. A. van Rossem {10) shot a female on the Coronados, April 8, 1909, but it must be rare there as I have never ob- served it during any of my visits. C. A. Keeler (4) recorded the species from San Nicolas as well as from San Clemente, on certain parts of which it is to be found in some numbers. J. Grinnell (.5) saw one on Catalina during December, 1897, and was told that it was quite numerous at times. I saw a single individual here several times in April, 1911. It seems to be lacking on Santa Barbara Isl- and. H. C. Burt {14) was informed that the species had been seen at different times on Anacapa. C. B. Linton {9) reports the bird as fairly conunon in suita- ble ])]a('es on Santa Cruz, and states that they average a trifle paler than mainland 60 PACIFIC COAST AVIFAUNA No. 12 specimens, with slightly different measurements. Mr. Ward, in charge of San Miguel Island, told Willett (13) that there were a few there. 98. Ceryle alcyon (Linnaeus) Belted Kingfisher Ceryle alcyon (1) Blake, Auk, iv, 1887, p. 329. (2) Streator, Orn. & Ool., xiii, 1888, p. 53. (3) Keeler, Zoe, i, 1891, p. 339. (.}) Grinnell, Pasadena Acad. Sci., i, 1897, p. 14. (.5) Grinnell, Auk, xv, 1898, p. 234. (6) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (7) Linton, Condor, x, 1908, p. 84. (8) Linton, Condor, x, 1908, p. 127. (.9) Grinnell, Condor, x, 1908, p. 130. (10) Osburn, Condor, xi, 1909, p. 137. (11) Willett, Pac. Coast Avif., 7, 1912, p. 84. Regular migrant to the islands. A. van Rossem saw one on the Coronados, August 18, 1914. One was seen almost daily about oiir camp on San Clemente in late March and early April. 1915, and it has been recorded from there in the fall. J. Grinnell (.5) found it fairly common at Catalina in December, 1897, and he (9) shot one on Anacapa, September 4, 1903. Reported in some numbers by various writers from July to December on Santa Cruz. 99. Sphyrapicus ruber ruber (Gmelin) Red-breasted Sapsucker Sphyrapicus varius nuchalis (i) Linton, Condor, x, 1908, p. 84. (2) Ridgway, Birds North & Mid. Am., vi, 1914, p. 280. (3) Grinnell, Pac. Coast Avif.. 11, 1915, p. 80. Sphyrapicus ruber ruber (.J) Willett, Pac. Coast Avif., 7, 1912, p. 56. Rather rare winter visitant to the larger islands. C. B. Linton (1) took two immature birds of this form on San Clemente, October 11, 1907, which he erron- eously recorded as S. v. nucliaUs. I have seen their marks on trees on Catalina, and April 8, 1911. I caught sight of a distant bird which was probably of this species. On Santa Cruz Island, during the latter part of April, A. van Rossem and I repeatedly saw trees tliat had been worked on by some sapsucker. 100. Asyndesmus lewisi Riley Lewis Woodpecker Asyndesmus lewisi (1) Dawson, Condor, xvii, 1915, p. 204. On Santa Cruz Island, April 4, 1915. W. L. Dawson (1) saw a single indi- vidual on one of the outlying barns of the main ranch. It was not again encoun- tered. 101. Colaptes cafer coUaris Vigors Red-shafted Flicker Colaptes mexicanus (J) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. Colaptes (2) Blake, Auk, iv, 1887, p. 329. Colaptes cafer (3) Streator, Orn. & Ool., xiii, 1888, p. 53. ( '/ ) Grinnell, Auk, xv, 1898, p. 234. (5) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 44. (6) Oberholser, Proc. U. S. Nat. Mus., XXII, 1900, p. 229. Colaptes cafer (?) (7) Keeler, Zoe, i, 1891, p. 339. Colaptes cafer collaris (8) Richardson, Condor, x, 1908, p. fifi. (9) Linton, Condor, x, 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 61 1908, p. 127. (10) Howell and van Rossem, Condor, xiii, 1911, p. 209. (11) Willett, Pac. Coast Avif., 7, 1912, p. 57. (12) Wright and Snyder, Condor, xv, 1913, p. 91. Clolaptes]. aUiratus]. luteus (13) Howell and van Rossem, Condor, xiii, 1911, p. 209. Rather common resident of Santa Cruz, and present on Catalina during the winter at least. J. Grinnell (i) met with these birds in some numbers on Cata- lina during December, 1897, flushing them from the north slopes, where they were digging in the damp turf for larvae. I have noted two or three here in early April. C. H. Richardson (8) considers them to be merely winter visitants in this locality, as he was unable to find any old nesting holes. H. Linton (MS) shot one on San Nicolas in May, 1910, which he presented to G. Willett. Numerous on Santa Cruz, and although no nests have been reported, they surely breed as they are present throughout the year. A. van Rossem and I found them exceedingly shy. We stated (10, 13) that many birds were seen in which the usual red was replaced by yellow, and judged accordingly that there were also Northern Flickers present, or at least hybrids which closely approached the latter. I have since changed this opinion, and consider, that whatever may be the correct explanation of the occurrence of the so-called hybrid flickers that are reported from many parts of the west, the birds of Santa Cruz are amenable to the same influences that cause the red of the linnets here often to be replaced by yellow. 102, Phalaenoptilus nuttalli californicus Ridgway Dusky Poor-will Phalaenoptilus nuttalli californicus (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 14. (2) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 142. (3) Richardson, Condor, x, 1908, p. 66. (4) Willett, Pac. Coast Avif., 7, 1912, p. 57. (5) Grinnell, Pac. Coast Avif., 11, 1915, p. 84. A regular but not common migrant through the southern islands. J. Grin- nell (1) says that on San Clemente from March 30 to April 2, 1897, this bird was heard each evening, and a female was secured March 31. As no one else has heard them there, the above would indicate that perhaps there was an unusually heavy migratory wave of them passing through that year. C. H. Richardson (3) has seen them occasionally in April on Catalina, and during 1911 I saw two birds on the 8th of that month and another on the 10th. 0. W. Howard (MS) shot a bird on Anacapa Island,' April 6, 1906. 103. Chordeiles acutipennis texensis Lawrence Texas Nighthawk Chordeiles acutipennis texensis (1) Willett, Pac. Coast Avif., 7, 1912, p. 58. (2) Grin- nell, Pac. Coast Avif., 11, 1915, p. 85. G. Willett (1) shot an adult female on Santa Barbara Island, June 20, 1911, and dissection showed her to be breeding. Although a careful search was made during the succeeding days, her mate could not be located, and it is barely possi- ble that she liad wandered over from one of the larger islands the night before. 62 PACIFIC COAST AVIFAUNA No. 12 104. Chaetura vaiixi (J. K. Townsend) Vaux Swift Chaetura vauxi (1) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 44. (2) Willett, Pac. Coast Avif., 7, 1912, p. 59. Noted by J. Mailliard (i) on Santa Cruz Island during- April, 1898. 105. Aeronautes melanoleucus (Baird) White-throated Swift Aeronautes melanoleucus (1) Grinnell, Pasadena Acad. Sci., i, 1897, pp. 9, 15. (?) Mail- liard, Bull. Cooper Orn. Club, i, 1899, p. 43. (3) Breninger, Auk, xxi, 1904, p. 220. (4) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 142. (5) Richardson, Condor, x, 1908, p. 66. (6) Linton, Condor, x, 1908, p. 84. (7) Linton, Condor, x, 1908, p. 127. (N) Osburn, Condor, xi, 1909, p. 137. (9) Ridgway, Birds North & Mid. Am., v, 1911, p. 688. (10) Willett, Pac. Coast Avif., 7, 1912, p. 59. (Jl) Grinnell, Pac. Coast Avif., 11, 1915, p. 86. Aeronantes melanoleucus (12) Wright, Condor, xi, 1909, p. 100. White-throated Swift (13) Willett, Condor, xii, 1910, p. 171. Fairly common on most of the islands, and evidently breeding in suitable localities. A. van Rossem and I noted a small flock on the Coronados, June 25, 1913, and the former shot a female which contained a well developed egg. They were probably nesting on the high sand-stone cliffs on the south side of south island. J. Grinnell (1) records this species from San Nicolas in May, 1897; on San Clemente, D. R. Dickey, L. M. Huey and I saw them several times in the early spring of 1915. Here at Howland's Bay, C. B. Linton (6) saw them enter- ing crevices in the cliffs, March 7, 1907. I have repeatedly observed them dart- ing about the high ridges of Catalina in the spring, and G. Willett (13) found a number of them present on Anacapa, June 5, 1910. A. van Rossem and I saw small flocks on Santa Cruz the latter part of April, 1911, and C, B. Linton (7) recorded several there in December, 1907. 106. Calypte costae (Bourcier) Costa Hummingbird Calypte costae (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 15. (2) Mearns, Bull. U. S. Nat. Mus., LVI, 1907, p. 142. (3) Willett, Pac. Coast Avif., 7, 1912, p. 60. (J,) Grin- nell, Pac. Coast Avif., 11, 1915, p. 86. Breeds on some of the islands. During several visits to the Coronados in spring, I have found this hummer frequenting the low bushes that straggle over the cliff bordering the cove on south island. It seems to be a fairly common breeder and is very much in evidence near its home site, making pugnacious sal- lies after other birds and even attacking any gull that chances near. J. Grinnell (1) records a single adult male on San Clemente, March 30, 1897, but considers that it was merely a migrant. G. Willett (3) found it rather common among the cactus patches of Santa Barbara Island in June, 1911, and on the 19th, noted a female feeding young just out of the nest. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 63 107. Calypte anna (Lesson) Anna Hummingbird Calypte anna (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (2) Grinnell, Auk, xv, 1898, p. 235. (3) Mailliard, Bull. Cooper Orn. Club, i, 1899, pp. 42, 44. (//) Richard- son, Condor, x, 1908, p. 66. (5) Linton, Condor, x 1908 p. 127. (G) Osburn, Condor, XI, 1909, p. 137. (7) Ridgway, Birds North & Mid Am., v, 1911, p. 621. (8) Willett, Pac. Coast Avif., 7, 1912, p. 60. (.9) Grinnell, Pac. Coast Avif., 11, 1915, p. 87. Not rare on the islands, breeding on some of them at least. May 17, 1910, I saw a single male of this species on the Coronados. On San Clemente, for sev- eral days during the latter part of IMarch, 1915, one collected bits of cotton from tlie vicinity of our skinning table. At Catalina J. Grinnell {2) shot an adult female and saw another the last of December, 1897, which indicates that they may spend the entire winter in that locality, and C. H. Richardson (i) saw a few- there in April. C. B. Linton (5) found them to be fairly common on Santa Cruz during November and December, 1907, and A. van Rossem and I saw several there the latter part of April, 1911, the former taking two males on the 29th and 30th. respectively. 108. Selasphorus alleni Henshaw Allen Hummingbird Selasphorus rufus (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (2) Cooper, Land Birds Calif., i, 1870, p. 356. Trochilus rufus (3) Blake, Auk, iv, 1887, p. 329. (-J) Keeler, Zoe, i, 1891, p. 339. Selasphorus alleni. (J) Grinnell, Pasadena Acad. Sci., i, 1897, p. 15. (H) Grinnell, Auk, XV, 1898, p. 234. (7) Grinnell, Bull. Cooper Orn. Club, i, 1899, p. 18. (8) Mailliard, Bull. Cooper Orn. Club, i, 1899, pp. 42, 44. (.9) Oberholser, Proc. U. S. Nat. Mus., XXII, 1900, p. 230. {10) Grinnell, Pac. Coast Avif., 3, 1902, p. 41. {11) Mearns, Bull. U. S. Nat. Mus., Lvi, 1907, p. 142. {12) Richardson, Condor, x, 1908, p. 66. {13) Lin- ton, Condor, x, 1908, p. 84. {IJ,) Linton, Condor, x, 1908, p. 127. {l.j) Wright, Con- dor, XI, 1909, p. 100. {16) van Rossem Condor, xi, 1909, p. 208. {11) Willett, Con- dor, XII, 1910, p. 171. {18) Ridgway, Birds North & Mid. Am., v, 1911, p. 610. {19) Willett, Pac. Coast Avif., 7, 1912, p. 61. {20) Snyder, Condor, xvi, 1914, p. 182. {21) Shepardson, Condor, xvii, 1915, p. 130. {22) Grinnell, Pac. Coast Avif., 11, 1915, p. 88. Common resident. On the Coronados A. van Rossem {16) found these birds to be very common in April, 1909, and H. Wright {15) noted what he believed to be this form the last part of June, 1908. On San Clemente J. Grinnell (.5) met with them commonly along the ravines, the latter part of ::\Iarch, 1897, and one nest was found. This, as well as a number of other nests found by C. B. Linton {13), was composed chiefly of sheeps wool, with the usual covering of lichens and plant fiber. The species is especially abundant on Catalina, where I have observed that the birds are partial to the clumps of wild tobacco, though not by any means con- fined to its vicinity. As an instance of its numbers here, G. K. Snyder {20) dur- ing fifty-five minutes on March 20, 1914, examining, with the aid of a cumber- some ladder, about thirty trees for possible nests, discovered and inspected elev- 64 PACIFIC COAST AVIFAUNA No. 12 en. Several of these were newly completed, and two held young almost ready to fly. This hummingbird breeds mostly in the trees above stream beds. J. G. Cooper {!) reported the species from Santa Barbara Island, and V. W. Owen {17) saw a male on the top of Anacapa, June 5, 1910. On Santa Cruz, A. van Rossem and I remarked a few the last of April, 1911, E. W. Blake (-5) re- corded the species as very common in July and August, while C. B. Linton {14) saw several and shot a male, November 24, 1907, 109. Tyrannus verticalis Say Arkansas Kingbird Tyrannus verticalis (1) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. (2) Linton, Condor, x, 1908, p. 82. Casual migrant. On San Clemente C. B. Linton (,2) saw one of these birds April 3, 1907, and another on the 5th. J. Mailliard {1) took a specimen on Santa Cruz in April, 1898, and W. L. DaM'son {MS) saw two in the same locality, one on April 6, 1915, and the other on the 19th. 110. Tyrannus vociferans Swainson Cassin Kingbird Tyrannus vociferans (i) Linton, Condor, x, 1908, p. 127. (2) van Rossem, Condor, xi, 1909, p. 208. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 89. Occasional migrant. A. van Rossem {2) recorded a pair from the Corona- dos in April, 1909. On Santa Cruz C. B. Linton {1) saw a bird November 24, 1907, which he believes was of this species. 111. Mjdarchus cinerascens cinerascens (Lawrence) Ash-throated Flycatcher Accidental on the islands. J. Grinnell {MS) obtained a good view of one of these birds among some walnut trees on Santa Cruz Island, Septem])er 3, 1903. 112. Sayornis sayus (Bonaparte) Say Phoebe Sayornis saya (J) Grinnell, Auk, xv, 1898, p. 235. (2) Breninger, Auk, xxi, 1904, p. 223. (5) Linton, Condor, x, 1908, p. 84. (4) Linton, Condor, x, 1908, p. 127. (.5) Osburn, Condor, xi, 1909, p. 137, Sayornis sayus (6) Grinnell, Pac. Coast Avif., 11, 1915, p. 90. A not uncommon winter visitant. C. B. Linton {3) says that on San Cle- mente these birds are common over the whole island in winter, and I saw one there as late as April 11, 1915. J. Grinnell {1) noted the species in some num- bers on Catalina the latter part of December, 1897, and C. B. Linton {MS) has seen it on San Nicolas in January. At Santa Cruz Island the latter writer re- corded it as fairly common during November and December, 1907. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 65 113. Sayornis nigricans (Swainson) Black Phoebe Sayornis nigricans (1) Blake, Auk, iv, 1887, p. 329. (2) Streator, Orn. & Ool., xiii, 1888, p. 54. (S) Keeler, Zoe, i, 1891, p. 339. (//) Grinnell, Auk, xv, 1898, p. 234. (J) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. (0) Oberholser, Proc. U. S. Nat. Mus., XXII, 1900, p. 230. (7) Brenlnger, Auk, xxi, 1904, p. 223. (8) Richardson, Condor, x, 1908, p. 67. (.9) Linton, Condor, x, 1908, p. 84. {10) Linton, Condor, x, 1908, p. 127. {11) Willett, Pac. Coast Avif., 7, 1912, p. 63. {l.i) Wright and Snyder, Condor, xv, 1913, p. 91. {12) Grinnell, Pac. Coast Avif., 11, 1915, p. 90. Resident bat not in large numbers. C. A. Keeler (5) recorded this species from San Nicolas. On San Clemente it is rather rare and confined to the north- west coast. C. B. Linton (.9) fonnd an unfinished nest there ^March 20, 1907, and 1 saw a single bird Alarch 27, 1915, tbe only one during a three weeks stay. At (yatalina 1 have seen occasional birds during April, and J. Grinnell (i) noted three in December. 1897. It was present, but not in numbers, on Santa Cruz when A. van Rossem and I were there in late April. 1911. A nest which we kept under observation contained pipped eggs April 26. Linton {10) found it fairly common here during November and December, 1907. V. P. Streator (6) took two adults on Santa Rosa in July. 1892. 114. Myiochanes richardsoni richardsoni (Swainson) Western Wood Pewee Contopus richardsonii {1) Grinnell, Pasadena Acad. Sci., i, 1897, pp. 10, 15. Horizopus richardsonii {2) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 142. Contopus richardsoni richardsoni {3) Linton, Condor, x, 1908, p. 127. Myiochanes richardsoni richardsoni (//) Willett, Pac. Coast Avif., 7, 1912, p. 64. A not uncommon migrant. L. M. Hiiey (318) shot a female on the Corona- dos, May 18, 1913, and the same day saw about four others flycatching from the large boulders near the water. On San Clemente, J. Grinnell (1) saw one June 3, 1897, and considers that although rather late in the season, it was a migrant. He took a female on San Nicolas Island, May 20, and a male on the 23rd. C. B. Linton (.5) states that he heard several among the pines of Santa Cruz Island in December, 1907, but collected no birds. As this is two months after they leave southern California, and there is not another winter record for the state, it is ex- tremely likely that Linton was mistaken in supposing that the notes which he heard emanated from this species. 115. Empidonax difficilis difficilis Baird Western Flycatcher Empidonax difficilis (/) Blake, Auk, iv, 1887, p. 329. (2) Keeler, Zoe, i, 1891, p. 339. {3) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. (//) Richardson, Condor, x, 1908, p. 67. {.')) Linton, Condor, x, 1908, p. 84. {(i) Linton, Condor, x, 1908, p. 127. (7) Osburn, Condor, xi, 1909, p. 137. Em.pidonax insulicola (8) Oberholser, Auk, xiv, 1897, p. 300. {!>) Grinnell, Pasadena Acad. Sci., i, 1897, p. 15. {10) Black, Auk, xiv, 1897, p. 405. {11) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 42. {12) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 230. {13) A. O. U. Committee, Auk, xviii, 1901. p. 302. (IJ,) Bailey, Handb. 66 PACIFIC COAST AVIFAUNA No. 12 Birds West. U. S., 2d ed., 1904, p. 260. (15) Grinnell, Condor, vii, 1905, p. 50. {16) C(hilds), Warbler, ii, 1906, p. 33. (17) Grinnell, Condor, viii, 1906, p. 74. (18) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (19) A. O. U. Committee, Auk, xxv, 1908, p. 353. E[mpiclonax'\. insulicola (20) Coues, Key N. Am. Birds, 5th ed., 1903, p. 531. Empidonax difficilis difficilis (21) Ridgway, Birds North & Mid. Am., iv, 1907, p. 578. (22) Willett, Fac. Coast Avif., 7, 1912, p. 64. (23) Wright and Snyder, Condor, xv, 1913, p. 91. (2^) Grinnell, Pac. Coast Avif., 11, 1915, p. 91. Common in summer on the larger islands. The subspecies insulicola was described by H. C. Oberholser (8) from a specimen taken on Santa Rosa Island, July 3, 1892. From difficilis it was said to differ in being darker, browner above, especially the head, and paler below, especially anteriorly. There is a great deal of individual and seasonal variation in birds from the mainland, and upon bringing large series together since that time, other writers have claimed that the insular bird was not entitled to subspecific rank, wherefore it was sub- sequently rejected by the A. 0. U. Committee (19). C. B. Linton (5) states that the earliest birds he saw on Clemente were a pair on April 1, 1907, and that but three or four were noted as late as October. They are quite numerous on Catalina and mostly frequent the shady dark parts of the canyons. A. van Rossem and I found the species to be not particularly numerous and rather shy on Santa Cruz in April, 1911. Linton (ff) saw and heard several there throughout November and as late as December 15, 1907. A variety of situations are used as nesting sites, the favorite being in an ir- regularity of a cliff or large boulder; but the fork of a small tree, a niche in a large trunk, or the wall of a sea cave is often chosen. Two broods are raised each season. I have found uncompleted nests after the middle of April, and "Black*' (E. W. Blake) (10) has noted a pair building as late as July 10, 1886. 116. Empidonax trailli trailli (Audubon) Traill Flycatcher Empidonax traillii (1) Osburn, Condor, xi, 1909, p. 137. C. C. Lamb (MS) shot one of these birds on the south island of the Corona- dos group April 4, 1908. 117. Empidonax hammondi (Xantus) Hammond Flycatcher Empidonax hammondi ? (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. L. M. Iluey {MS) shot a single specimen on San Clemente Island, April 9, 1915. Also reported conditionally by J. G. Cooper (i) from Catalina and Santa Barbara islands. However, as the latter failed to report difficilis in the same paper, it is quite possible that the birds which he saw were referable to the lat- ter species. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 67 118. Otocoris alpestris insularis C. H. Townsend Island Horned Lark Phileremos cornutus (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Eremophila alpestris var. chrysolaema {2) Henshaw, Rep. Wheeler Surv., 1876, p. 248. Otocoris alpestris rubea (3) Henshaw, Auk, iii, 1886, p. 453. Otocoris alpestris — ^ {4) Blake, Auk, iv, 1887, p. 329. Oltocoris]. alpestris ruhea (5) Streator, Orn. & Ool., xiii, 1888, p. 54. Otocoris alpestris strigata (6) Dwight, Auk, vii, 1890, pp. 151, 158. (7) Keeler, Zoe, i, 1891, p. 339. (8) Grinnell, Pasadena Acad. Sci., i, 1897, pp. 5, 10, 16. (.9) Davie, Nests & Eggs N. Am. Bircis, 5th ed., 1898, p. 318. Otocoris alpestris insularis (10) Townsend, Proc. U. S. Nat. Mus., xiir, 1890, p. 140. iJl) Bendire, Life Hist. N. Am. Birds, ii, 1895, p. 347. (12) Mailliard, Bull. Cooper Orn. Club, I, 1899, p. 41. (IS) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 230. {!',) Oberholser, Proc. U. S. Nat. Mus., xxiv, 1902, p. 839. (J.J) A. O. U. Committee, Auk, XX, 1903, p. 345. (Id) Breninger, Auk, xxi, 1904, p. 222. (/7) Mearns, Bull. U. S. Nat. Mus., LVi, 1907, p. 141. (IS) Ridgway, Birds North & Mid. Am., iv, 1907, p. 317. (19) Linton, Condor, x, 1908, p. 84. (20) Linton, Condor, x, 1908, p. 181. (21) A. O. U. Check-list, 3d ed., 1910, p. 221. (22) Howell and van Rossem, Condor, xiii, 1911, p. 209. (23) Willett, Pac. Coast Avif., 7, 1912, p. 66. (24) Grinnell, Pac. Coast Avif., 8, 1912, p. 16. (2.j) Wright and Snyder, Condor, xv, 1913, p. 91. (2(i) Grinnell, Pac. Coast Avif., 11, 1915, p. 95. Horned Lark (21) Beck, Bull. Cooper Orn. Club, i, 1899. p. 85. (28) Willett, Condor, XII, 1910, p. 171. Otocoris insularis (29) Grinnell, Pac. Coast Avif., 3, 1902, p. 45. (30) Linton, Condor, x, 1908, p. 127. Oltocorys'i. a[.lp^stris\. insularis (31) Coues, Key N. Am. Birds, 5th ed., 1903, p. 508. 0[tocoris'\. aUpestris]. insularis (32) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 269. (33) Reed, N. Am. Birds' Eggs, 1904, p. 228. Otocoris allpestris]. insularis (34) Willett, Condor, xii, 1910, p. 172. (35) Burt, Condor, XIII, 1911, pp. 164, 166. Resident of the islands. Abundant on some of them and rather rare on oth- ers. Not found on the Coronados. This subspecies was originally described by C. H. Townsend (10) from an adult male taken on San Clemente, January 25, 1889. It differs from actia in its decidedly darker coloration, and from strigata in being slightly darker, with the buffy markings grayer, and undei-parts of body usually without yellow. Regarding this form Ridgway (18) says ''The characters .... are most pronounced in specimens from the more north- ern islands of San Miguel, Santa Rosa and Santa Cruz, those from the more south- ern islands of San Clemente, Santa Barbara, San Nicolas and Santa Catalina in- clining towards the mainland form, 0. a. actia, thus indicating the origin of this insular form." This would probably indicate that the island form originated from the latter, but the more northern islands, having a damper climate, would tend to create characters more closely approaching those of strigata of the humid northwest. (See also Oberholser [14].) C. B. Linton (30) secured one of these birds, a male, from a large flock at Alamitos Bay, Los Angeles County, on January 18, 1908 (the date given in the l)ublished record is erroneous). It may be a regular winter visitant to the main- land coast, but I think it more likely that this bird was either an individual that 68 PACIFIC COAST AVIFAUNA No. 12 had accidentally wandered from the islands, or a case of unusual variation of actia. D. R. Dickey, L. ]\I. Huey and I found horned larks most abundant on the open uplands of the northwest end of San Clemente in the spring of 1915. Young on the wing were noted March 25; and during the first week in April sec- ond sets were being laid with remarkable uniformity. A number of nests were found, containing either two or three eggs. They were located at the edge of the ice plants, or in the lee of a wisp of grass. J. Grinnell (8) says that it was the commonest species on San Nicolas, but that (MS) on Catalina horned larks were decidedly rare except at the northwest end. Here he heard them on the hillsides near Johnson's Harbor, August 27, 1903; G. Willett (MS) saw them occasionally on this part of the island during March, 1905. On Santa Barbara Island the larks are every wliere under one's feet. A nest which I discovered ^lay 1, 1910, held a single egg and was of the usual construction, flimsily built of dry grass only. II. ('. Burt (.55) reports the species as common on Anacapa. A number of observers have found it in numbers on the more exposed por- tions of Santa Cruz Island, but it is inclined to be local here, for in the vicinity of Prisoner's Harbor in the spring of 1911, A. van Rossem and I made a very diligent search for it without results. H. W. Henshaw (11) found a nest here, placed in one of a large pile of abalone shells, overgrown with herbage. He said that horned larks occurred in flocks of both sexes all through June. G. Willett (34) found this to be one of the commonest land birds on San Mig- uel. They had evidently raised one brood and were starting to nest again the mid- dle of June, 1910. Here, on June 21 of the same year, 0. W. Howard (23) collect- ed a set of three eggs, in which incubation had begun. Several have reported the species from Santa Rosa, but it does not seem to be especially abundant there. Eggs are indistinguishable from those of actia. From the above dates I .judge that tliis subspecies must raise at least three broods a season. 119. Aphelocoma insulaxis Henshaw Santa Cruz Jay Cyanocitta floridana var., calif ornica (/) Henshaw, Rep. Wheeler Surv., 1876, p. 253. Aphelocoma insularis (2) Henshaw, Auk, ni, 1886, p. 452. (3) Ridgway, Man. N. Am. Birds, 1887, p. 593. (f) Blake, Auk, iv, 1887, p. 329. (5) Streator, Orn. & Ool., xiii, 18B8, p. 53. (6) Chapman, Auk, v, 1888, p. 396. (7) A. O. U. Committee, Auk, VI, 1889, p. 11. (8) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, p. 141. (.')) Belding, Land Birds Pac. Dist., 1890, p. 111. (10) Keeler, Zoe, i, 1891, pp. 339, 342. (11) Bendire, Life Hist. N. Am. Birds, ii, 1895, p. 379. (12) Davie, Nests & Eggs N. Am. Birds, 5th ed., 1898, p. 326. (13) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 42. (///) Mailliard, Condor, ii, 1900, p. 42. (/.7) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 230. (16) Grinnell, Pac. Coast Avif., 3, 1902, p. 46. (/7) Reed, N. Am. Birds' Eggs, 1904, p. 232. (18) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 276. (19) Ridgway, Birds North & Mid. Am., iii, 1904, p. 331. (20) Linton, Condor, x, 1908, p. 127. (21) A. O. U. Check-list, 3d ed., 1910, p. 225. (22) Howell and van Rossem, Condor, xiii, 1911, p. 209. (23) Willett, Pac. Coast Avif., 7, 1912, p. 68. (24) Grinnell, Pac. Coast Avif., 8, 1912, p. 18. (2.'>) Wright and Snyder, Condor, xv, 1913, 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 69 p. 91. (.id) Grinnell, Pac. Coast Avif., 11, 1915, p. 98. (2"!) Dawson, Condor, xvii, 1915, p. 203. Alphelocoma^. insularis (2S) Ridgway, Man. N. Am. Birds. 1887, p. .355. (2!t) Coues, Key N. Am. Birds, 5th ed., 1903, p. 498. Santa Cruz Jay (30) Beck, Bull. Cooper Orn. Club, i, 1S99, p. 6. Peculiar to Santa Cruz Island, where it is an abundant resident. This s|)e- cies was first described by H. W. Henshaw (3) from three birds collected by liiiii in June, 1875. In coloration it most nearly approaches A. c. ohscura, but is very much darker and much larger. It differs from californica in greater size, deeper colors, especially the brown of the back, and in having blue instead of white un- din- tail coverts. As with the mainland birds, the males are larger than the fe- males, l)ut not to a degree that can be noticed without comparison of specimens. During July and August E. W. Blake {4) found the Santa Cruz Ja.v to be impudently familiar, but when A. van Rossem and I {22) were on the island during the breeding season, we found the opposite to be the case. Although the birds were very common, we might easily have overlooked them entirely. Never a sound did one make unless its mate was shot, and it was useless to try for them by walking through their haunts. However, if we would select a likel.y spot and sit quiet for a few moments, one would usually approach from the rear and silent- ly examine the intruders from a distance of several yards It is truly surprising to note the number of old jays' nests upon the island. These must either last for a greater number of years than is the ease elsewhere, or else the birds are in the habit of building extra or dunnny nests. The favorite sites seem to l)e in the tops of the local "palo fierro" (ironwood) trees, though many were noted in low oaks or large bushes, mostly on the sides of the canyons. Construction is the same as that employed by the mainland form. The latter part of April, 1911, all the females shot had already laid, and I believe that a large ma.jority then had small young. Two nests that I examined on the 28th {22) were some twenty feet up in ironwoods, and held, respectivel.v, two small young and an addled eg^, and three young, half grown. R. H. Beck {30) found four nests with eggs May 8, 1898, and I believe that the time for fresh eggs va- ries considerably in different seasons. Eight of the above eggs average 1.16x.88 inches. Extremes are 1.10 to 1.21, in length, and .84 to .92 in diameter. In the late fall C. B. Linton {20) found that the birds near the shore were nearly all females, while in the high pines males predominated. They are not eiiually common over the entire island, but seem to prefer the neighborhood of the pines and heavy brush. Smugglers Cove is a good place to look for them. 120. Corvus corax sinuatus Wagler Raven Corvus carnivorus (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (2) Cooper, Land Birds Calif., i, 1870, p. 283. Corvus corax var. carnivorus (.}) Henshaw, Rep. Wheeler Surv., 1876, p. 251. Corvus corax sinuatus ('/) Blake, Auk, iv, 1887, p. 329. (.7) Streator, Orn. & Ool., xiii, 1888, p. 54. (fj) Keeler, Zoe, i, 1891, p. 339. (7) Zahn, Avifauna, 1, 1895, p. 24. iS) Grinnell, Pasadena Acad. Sci., i, 1897, pp. 6, 10, 16. (.'') Grinnell, Auk, xv, 1898, p. 234. {10) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. (//) Oberholser, Proc. 70 PACIFIC COAST AVIFAUNA No. 12 U. S. Nat. Mus., XXII, 1900, p. 231. (/,?) Grinnell, Pac. Coast Avif., 3, 1902, p. 46. (13) Grinnell and Daggett, Auk, xx, 1903, pp. 33, 37. (/'/) Breninger, Auk, xxi, 1904, p. 219. (15) Richardson, Condor, x, 1908, p. 67. (Id) Linton, Condor, x, 1908, p. 84. (/7) Linton, Condor, x, 1908, p. 127. (IS) Grinnell, Condor, x. 1908, p. 130. (1!)) Wright, Condor, xi, 1909, p. 100. (20) Osburn, Condor, xi, 1911, p. 137. (21) Burt, Condor, xm, 1911, p. 167. (22) Howell and van Rosseni, Condor, xiii, 1911, p. 210. (23) Willett, Pac. Coast Avif., 7, 1912, p. 68. (2'/) Wright and Snyder, Condor, xv, 1913, p. 91. (?.)) Grinnell, Pac. Coast Avif., 11, 1915, p. 99. Raven (2(>) Beck, Bull. Cooper Orn. Club, i, 1899, p. 86. (27) Willett, Condor, xii, 1910, p. 172. Corvus corax clarionensis (28) Ridgway, Birds North & Mid. Am., iii, 1904, p. 264. (2.0) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. Common resident. In regjard to the status of the raven of the islands. T must confess to a feeling of uncertainty. Ridgway (2S) identifies birds from Clemente and Catalina as C. c. clarionensis, stating that although not quite as small as the latter in its typical form, excepting the tarsus, they are nevertheless nearer to it than they are to the mainland birds. Clarionensis is similar to sinu- atus but smaller, especially the bill, and was described from a single specimen (Rothschild & Ilartert, Novit. Zool., ix. 1902. p. 881.). The type may have been merely a particularly small specimen from the locality where it Avas secured. At any rate, all the island specimens examined average well below the measure- ments for sinuatus, as given by Ridgway (38). Three skins from my collection, compare wath Rothschild's type from Clarion Island, Mexico, as follows^ Locality Wingr Tail Culmen Tarsus Toe' Date Sex Catalina Id 371 217 65 67 42 .5-25-08 9 Catalina Id 370 210 68 70 46 2-11-10 5 Catalina Id 365 216 65 69 42 2-17-10 $ Clarion Id 395 ... 64 70 . . $ 'Middle toe without claw. On the Coronados there are at least two resident pairs, one breeding on the sandstone cliffs on south island, and the other on the west end of the same. On San Clemente, G. F. Breninger (11) remarks that during February, 1903, he saw thirty-eight at one time, and that there were "seven nests within a hundred yards". Although still decidedly common, they do not uom' occur there in such great numbers, for they are persistently poisoned by the sheepmen, who assert that they are in the habit of pecking out the eyes of very young lambs. They are quite common on San Nicolas Island. At Catalina there is always a flock of these birds in the vicinity of the garb- age dump near Avalon. ^lany of them breed in the pockets of the nearby cliffs, but the birds are so wary that it is no easy matter to locate the nests. I have also found many old nests in trees in different parts of the island. In such a situa- tion C. ?I. Richardson (15) took a set of five fresh and one slightly addled egg, March 19, 1905. Two or three pairs breed on the cliffs of Santa Barbara Island, where J. Grinnell (8) states that they evidently subsist on the eggs and young of the sea birds which nest so numerously in that locality. On Anacajm, II. C. Burt (21) found a nest ready for eggs Mareli 17, 1911, and is sui-e tliat there was only one im BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 71 pair on the island. A. van liosseni and I (22) discovered two nests, not twenty feet apart, on the sea cliffs of Santa Cniz Island, April 28, 1911. Both held small younjT. While there we occupied a largfc })othole at the base of a cliff, and Avhen al)sent from camp, these birds would enter to investigate. This was much to the detriment of a couple of fine sets of eggs which we once left uncovered. G. AVillett (27) says that these birds are common on San Miguel, and IT. Wriglit (21) found an old nest on Santa Rosa that evidently belonged to a raven. 121. Molothrus ater obscums (Gmelin) Dwarf Cowbird Molothrus ater obscurus (1) Colburn, Condor, xvii, 1915, p. 165. On September 5, 1914, L. M. Huey (MS) shot an innnature male cowbird on the Coronados, that was catching flies in the air from a large boulder near the water's edge. J. Grinnell identified this specimen as M. a. artemisiae, although he stated that the bill is not quite the right shape for that form. As I am follow- ing the A. O. U. Check-list, the specimen would fall under the above heading. A. E. Colburn {1) records the capture of an additional specimen, an adult male, in the same locality, May 31, 1915. 122. Xanthocephalus xanthocephalus (Bonaparte) Yellow-headed Blackbird Xanthocephalus xanthocephalus il) Dawson, Condor, xvii, 1915, p. 204. While at Santa Cruz Island in the spring of 1915, W. L. Dawson {!) saw a mounted specimen of this species which had been taken by ]\Ir. Lucchelli, of the island, during the previous year. 123. Sturnella neglecta Audubon Western ]\Ieadow^lark sturnella neglecta (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (?) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 231. (3) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 142. t'l) Linton, Condor, x, 1908, p. 84. (3) Linton, Condor, x, 1908, p. 128. {) Grinnell, Pac. Coast Avif., 11, 1915, p. 105. Regular migrant in small numbers. On the Coronados, A. van Rossem (3) shot a male and saw others during early April, 1909, and I found a dead male there June 10, 1910. C. B. Linton (3) shot a specimen on San Clemente, March 31, 1907, and another on San Nicolas Island, March 30 or 31, 1910. J. Mailliard (1) mentions the species as occurring on Santa Cruz during April, 1908, and W. L. Dawson (MS) saw one there April 20, 1915. 126. Euphagus carolinus (Miiller) Rusty Blackbird Euphagus carolinus (/) Linton, Condor, xi, 1909, p. 194. (2) Willett, Pac. Coast Avif., 7, 1912, p. 72. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 105. The only record of the Rusty Blackbird for the state of California is that of an adult male shot by C. B. Linton (i) on San Clemente Island, November 20, 1908, and now no. 21271, Museum of Vertebrate Zoology at Berkeley. 127. Euphag-us cyanocephalus (Wagler) Brewer Blackbird Scolecoph[agus]. 'cyanocephalus (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Scolecophagus cyanocephalus {.2) Streator, Orn. & Ool., xiii, 1888, p. 54. (3) Keeler, Zoe, I, 1891, p. 340. Euphagus cyanocephalus (-'/) Grinnell, Pac. Coast Avif., 11, 1915, p. 106. Brewer Blackbird (5) Willett, Condor, xii, 1910, p. 172. P^vidently a rather rare straggler to the islands. C. A. Keeler (3) listed this bird from San Nicolas, and C. P. Streator (;2) met with it in the same locality ini7 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 7.3 diu'ing tlie fall of 1886. J. G. Cooper (1) encountered it on Cataliua in October only, and Mr. Ward, in charge of San Miguel, told G. Willett (5) that there had been three around his house and barn in the .spring of 1910. 12S. Carpodacus purpureus calif ornicus Uaird California Purple Finch Carpodacus purpureas calif ornicus (1) Linton, Condor, x, 1908, p. 128. C. B. Linton {1) shot one in the pines of Santa Cruz Island, December IG. 1007. and saw several others at the same time. 12!). Carpodacus mexicanus dementis Mearns San Clemente House Finch Carpodacus frontalis (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (?) Henshaw, Rep. Wheeler Surv., 1876, p. 238. (3) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, p. 139. Carpodacus frontalis rhodocolpus ('/) Henshaw, Auk, iii, 1886, p. 4.53. (.7) Blake, Auk, IV, 1887, p. 330. Carpodacus mexicanus frontalis (H) Streator, Orn. & Ool., xiii, 1888, p. 53. (7) Keeler, Zoe, I, 1891, p. 339. (8) Grinnell, Pasadena Acad. Sci., i, 1897, pp. 6, 10, 16. (9) Grinnell, Auk, xv, 1898, p. 234. (10) Mailliard, Bull. Cooper Orn. Club, i, 1899. pp. 41, 44. (//) Grinnell, Pad Coast Avif., 11, 1915, p. 107. Carpodacus dementis (12) Mearns, Auk, xv, 1898, p. 258. (13) Grinnell, Pac. Coast Avif.; 3, 1902, p. 49. (I'l) Grinnell and Daggett, Auk, xx, 1903, pp. 33, 37. (/.T) Lin- ton, Condor, x, 1908, p. 84. (It;) Linton, Condor, x, 1908, p. 128. (ll) Osburn, Con- dor, XI, 1909, p. 137. Carpodacus mexicanus dementis (IS) A. O. U. Committee, Auk, xvi, 1899, p. 114. (19) McGregor, Condor, ii, 1900, p. 35. (20) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 231. (21) Ridgway, Birds North & Mid. Am., i, 1901, p. 140. (22) Reed, N. Am. Birds' Eggs, 1904, p. 246. (23) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. (2^) Richardson, Condor, x, 1908, p. 67. (2J) Wright, Condor, xi, 1909, p. 100. (26) A. 0. U. Check-list, 3d ed., 1910, p. 244. (27) Osburn, Condor, xiii, 1911, p. 32. (28) Howell and van Rossem, Condor, xiii, 1911, p. 210. (29) Willett, Pac. Coast Avif., 7, 1912, p. 73. (30) Grinnell, Pac. Coast Avif., 8, 1912, p. 20. (31) Wright and Sny- der, Condor, xv, 1913, p. 91. (32) Grinnell, Pac. Coast Avif., 11, 1915, p. 108. C'larpodacus]. mlexicanus]. dementis (33) Coues, Key N. Am. Birds, 5th ed., 1903, p. 383. (3.'i) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 313. Carpodacus frontalis clementae (35) Breninger, Auk, xxi, 1904, p. 221. Carpodacus m\_exicaniis]. dementis (36) Willett, Condor, xii, 1910, p. 172. Abundant resident of all the islands, but less so on San Nicolas and San Miguel. Originally described by E. A. Mearns (12) from specimens taken on San Clemente Island, August 25, 1894. Subspecific characters in comparison with mainland birds are : larger legs, feet and bill, wings and tail slightly short- er; striping below broader, and coloration brighter. Two phases of coloration occur in this form, the usual red phase and another in which the red is replaced by yellow. Every intergradation between these two is encountered. I have seen specimens in which the yelloAv was of very limited extent, a male marked like a female except for a faint red tinge on the chest, a female showing a trace of red, and another with a tinge of yellow. 74 PACIFIC COAST AVIFAUNA No. 12 The breeding season is a long one, and at least three broods must be raised each year. G. F. Breninger {35) found several sets of four and five eggs on San Clemente in February, 1903, and I repeatedly saw young on the wing there dur- ing the last of March, 1915. J. Grinnell and F. S. Daggett {14) noted a nest on the Coronados, August 6, 1902, which lield small young. The eggs are indistin- guishable from those of the mainland bird. The average measurements for a se- ries of nine eggs taken by J. Grinnell (<9) on San Clemente is .82x.59 inches. Nesting sites originally were in cactus plants or in niches of cliffs, but the birds are now taking advantage of the chance to occupy more sheltered situations in buildings and sheds, where such occur. I have even knowoi one to take posses- sion of a nest of the Western Flycatcher {28) with one egg of the rightful owner still in place, but as to whether the latter had first deserted of her own accord. I am unable to say. Linnets are fond of congregating about the opuntia patches, on the ripe fruit of which they feed extensively. Being in doubt as to the identity of birds from Santa Cruz Island, I sent a small series to J. Grinnell for his opinion. He agrees Avith me in considering the bills of these birds indistinguishable from those of mainland specimens. Among examples from the mainland which he had in the Museum collection, he also found birds more heavily marked than my Santa Cruz specimens. I believe in subspecies, and think that any form that has a constant charac- ter of differentiation should be recognized. I cannot see, however, why any race, only two thirds or so of which show the subspecific characters, should have formal place in the catalog of our avifauna. I have gathered together a good sized series of the island Carpodacus and have examined many more. I have not taken many measurements of bills and feet, as these often vary in a manner that cannot be shown by calipers, but I have compared them very carefully in the hand, where relative bulk is more apparent. In a large series these members do average a very little larger in the island than in mainland birds, but speci- mens of the latter may be found which surpass those of the former in the size of both culmen and feet. I have a female taken in Covina, California, the streak- ing of whose under parts is much heavier than any island female examined, and I have seen males from the mainland just as heavily streaked as any of the insa- lar birds. The latter probably do average heavier in this respect, but there is a large number in which this criterion does not hold good. In the matter of com- parative lengths of wing and tail, the following table speaks for itself. Speci- mens in very worn plumage have not been compared. Wing- Tail 33 males from mainland (Los Angeles Co.) 77.6 58.6 53 males from San Clemente Island 78.6 58.4 9 males from Santa Cruz Island 77. 58.4 In making the above comparisons I am indebted for the loan of specimens to the Museum of History, Science and Art, of Los Angeles, through F. S. Daggett, and to the U. S. Biological Survey, through E. W. Nelson. As but few females were available, I have given measurements of males only. My large series from the type locality certainly goes to show that birds from there at least have not a sliorter wing, and to all intents, no shortei- tail than mainland birds. The 1017 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 75 wing lucasiii-cinent of tlic few hirds from Santa Cruz, while sliglitly less, is not enough so to merit recognition on this character. I have examined two males from San ^lignel, one from Santa Barhara and two from Los Coronados Islands, hut lliese ai-e all in such worn ]ilumages as to he well nigli worthless in the pres- ent eoniKM'tion. In eoloi-ation, while the island hirds are fre(|uently moi'e hrilli- ant than is usual among mainland specimens, occasional individuals of the latter are sometimes still more intense. We therefore have not a single constant crite- rion w'herehy clementis can be identified, though possibly larger series from some of the other islands, as the Coronados, Santa Barbara or San ]\Iiguel may de- velop some such character. 130. Loxia curvirostra Strickland! Ridgway INIexican Crossbill Loxia curvirostra stricklandi (1) Howell and van Rossem, Condor, xiii, 1911, p. 210. (2) Willett, Pac. Coast Avif., 7, 1912, p. 74. Tjoxia curvirostra bendirei (3) Grlnnell, Pac. Coast Avif., 11, 1915, p. 108. A. van Rossem and I (i) discovered these birds to be present on Santa Cru^ Island in the spring of 1911, in numbers sufficient to preclude the possibility of their being merely stragglers to the region. They were found only in the pine timber below the high ridges in the vicinity of Prisoner's Harbor, and we were pretty sure, with careful searching, to encounter them each time that we went to this region, though they were rather wild and hard to locate. Van Rossem saw a pair April 28, and shot the male, I shot a pair from a flock of eight on ^May 1, and the former took the female to a pair, and saw three others, on the 2nd. There is the possibility that these birds were merely winter visitants, but I personally believe that they are resident on the island. The date was a late one for them to be lingering in a W'inter home, and they were evidently beginning to pair off. Another point is that, although a little low zonally, these pine woods have a very boreal appearance and should provide a suitable home for them. I have, with the help of J. Grinnell, carefully compared the three island birds now available with the large series of Loxia in the Berkeley Museum of Vertebrate Zoology. They are practically indistinguishable from L. r. hendirei, and so are nuich closer to stricklandi than to minor. 131. Passer domesticus (Linnaeus) English Sparrow^ Passer domesticus (1) Dawson, Condor, xvii, 1915, p. 204. As yet, only accidental on the islands. On San Clemente, ]\Iarch 30. 1915, L. M. Huey and I each saw a male of this species during different times of the day. This was at the corrals, and as we did not see the bird again, I am hoping that the charge of shot which I sent after him took effect. W. L. Dawson (/) also noted a lone female on Santa Cruz, April 18, 1915. 76 PACIFIC COAST AVIFAUNA No. 12 132. Astragalinus psaltria hesperophilus Oberholser Green-backed Goldfinch Spinus psaltria (/) Grinnell, Auk, xv, 1898, p. 235. {2) Mailliarcl, Bull. Cooper Orn. Club, I, 1899. p. 42. Astragalinus psaltria (3) Mailliarcl, Bull. Cooper Orn. Club, i, 1899, p. 45. Astragalinus psaltria hesperophilus ( ', ) Richardson, Condor, x, 1908, p. 67. {■'>) Linton, Condor, x, 1908, p. 128. (6) Grinnell, Pac. Coast Avif., 11, 1915, p. 110. Rather rare on the islauds. 1 have noted a limited number of these birds on Catalina several times during the early spring of different years, and J. Grin- nell (i) saw three pairs there the last of December, 1897. J. Mailliard {2, 3) re- corded the species from Santa Cruz Island in April, 1898, and C. B. Linton (5) saw several and shot one during November, 1907, in the same locality. From the above dates one cannot be sure that this bird breeds on the islands, but I. think it likely that it is resident where found at all. 133. Astragalinus lawrencei (Cassin) Lawrence Goldfinch 8pinus lawreneei (1) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 42. Astragalinus lawrencei (2) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. (.i) Rich- ardson, Condor, x, 1908, p. 67. (7,) Grinnell, Pac. Coast Avif., 11, 1915, p. 110. Occurs in about the same numbers as the last. I noted a pair of these birds among the eucalypti of Avalon, Catalina Island, May 4, 1908, and C. H. Richard- son (3) states that he has seen the species there several times during the same month. J. Mailliard (i, 2) reports it as present on Santa Cruz Island in April, 1898, and W. L. Dawson {MS) saw it several times near the ranch house there during April, 1915. 134. Spinus pinus (Wilson) Pine Siskin Spinus pinus pinus (1) Dawson, Condor, xvii, 1915, p. 204. While on Santa Cruz Island from April 3 to 22, 1915, W. L. Dawson (1) several times encountered this species in the Monterey pine belt. 135. Passerculus sandwichensis alaudinus Bonaparte Western Savannah Sparrow^ Ammodramus sandivichensis alaudinus (1) Townsend, Proc. II. S. Nat. Mus., xiii, 1890, p. 141. (2) Keeler, Zoe, i, 1891, p. 341. (3) Grinnell, Pasadena Acad. Sci., i, 1897, p. 17. (//) Linton, Condor, x, 1908, p. 128. Passerculus sandwichensis alaudinus (5) Mearns, Bull. U. S. Nat. Mus., i.vi, 1907, p. 142. (6') Linton, Condor, xi, 1909, p. 194. (7) Willett, Pac. Coast Avif., 7, 1912, p. 77. (8) Grinnell, Pac. Coast Avif., 11, 1915, p. 113. Ammodramus sandwichensis bryanti (.9) Linton, Condor, x, 1908, p. 128. Probably a regular though not common migrant to suitable localities. J. Grinnell (.5) shot one bird and saw several others along the grassy margin of a slough at the mouth of a canyon on San Clemente, March 30, 1897; C. B. Linton 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 77 (6) noted several there during December, 1908; and I took a female March 31, 1915, that was feeding in the corral near a barn. Linton (MS) also saw several on San Nicolas in January, 1911. He (9) shot a bird on Santa Cruz Island and saw two others, in December, 1907, which he recorded as hryanti, but which has proved to be of this form (7). C. II. Townsend (i) secured a specimen in the same locality February 6, 1889. 136. Chondestes grammacus strigatus Swainsou Western Lark Sparrow Chondestes grammacus strigatus (/) Linton, Condor, x, 1908, p. 128. (2) Grinnell, Pac. Coast Avif., 11, 1915, p. 115. C. B. Linton (1) saw several of tliese ])irds on Santa Cruz Island, and col- lected one in December, 1907. 137. Zonotrichia querula (Xuttall) Harris Sparrow Zonotrichia querula {]) Linton, Condor, x, 1908, p. 84. (2) Willett, Pac. Coast Avif., 7, 1912, p. 79. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 116. C. B. Linton (1) took a specimen of this species, sex undetermined, on San Clemente Island, October 15. 1907. It is now in the University of California ^lu- seum of Vertebrate Zoology. 138. Zonotrichia leucophrys g-ambeli (Xuttall) Gambel Sparrow Zonotrichia gambeli il) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Zonotrichia leucophrys intermedia (2) Streets, Bull. U. S. Nat. Mus., vii, 1877, p. 11. (3) Keeler, Zoe, i, 1891, p. 341. (.'/) Grinnell, Pasadena Acad. Sci., i, 1897, p. 17. (.7) Grinnell, Auk, xv, 1898, p. 235. (6) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 41. Zonotrichia gambeli intermedia (7) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, pp. 139, 14L Zonotrichia leucophrys gambeli (S) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 232. (9) Richardson, Condor, x, 1908, p. 67. {10) Linton, Condor, x, 1908, p. 85. {11) Linton, Condor, x, 1908, p. 128. {12) Osburn, Condor, xi, 1909, p. 137. {13) Howell and van Rossem, Condor, xiii, 1911, p. 210. {l-'i) Willett, Pac. Coast Avif., 7, 1912, p. 79. {13) Grinnell, Pac. Coast Avif., 11, 1915, p. 116. Zonotrichia leucophrys gambelii {16) Mearns, Bull. U. S. Nat. Mus. lvi, 1907, p. 142. Abundant winter visitant. Probably arrives in September and leaves the first part of May. Streets (2) reports one taken on the Coronados, but I imagine that it does not occur there in great numbers, as I have never seen it during the early spring in that locality. We found it most abundant on San Clemente in the spring of 1915. By the time we left the island, April 11, the birds were be- ginning to bunch up in larger flocks than noted when we first arrived, and the majority were evidently thinking about moving on. Birds were repeatedly no- ticed chasing each other. J. Grinnell (5) states that the species was numerous at Catalina in Decem- ber, 1897, and I have found it to be well distributed over the island in April. C. 78 PACIFIC COAST AVIFAUNA No. 12 H. Townsend (7) notes a specimen taken on Santa Barbara Island, February 13, 1889, and on Santa Cruz, C. B. Linton {11) says that it was common everywhere during November and December, 1907. A. van Rossem and I found it scattered over the hillsides of that island, usually in pairs, u\} to the time we left. May 2, 1911. 139. Zonotrichia coronata (Pallas) Golden-crowned Sparrow Zonotrichia coronata (1) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, pp. 139, 141. (.2) Keeler, Zoe, i, 1891, p. 341. (.3) Grinnell, Pasadena Acad. Sci., i, 1897, p. 18. (//) Grinnell, Auk, xv, 1898, p. 235. (J) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. U!) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 142. (7) Richardson, Condor, x, 1908, p. 67. (8) Linton, Condor, x, 1908, p. 85. (9) Linton, Condor, x, 1908, p. 128. (10) A. O. U. Check-list, 3d ed., 1910. p. 262. (//) Howell and van Rossem, Condor, xiii, 1911, p. 210. (12) Willett, Pac. Coast Avif., 7, 1912, p. 80. (L3) Grinnell, Pac. Coast Avif., 11, 1915, p. 117. Common winter visitant but does not occur in flocks, as does the last. L. M. Huey and I saw numbers of this species on San Clemente from ]March 23 to April 11, 1915, but they were rather shy. On Catalina during April I have seen two or three of these birds every time I spent a few hours in the brush. C. H. Townsend (1) records a specimen taken on Santa Barbara Island, February 13, 1889. C. B. Linton (9) says it was fairly common on Santa Cruz during Novem- ber and December, 1907, and I (11) saw two birds there as late as April 24, 1911. 140. Spizella passerina arizonae Coues Western Chipping Sparrow Spizella socialis (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (2) Cooper, Land Birds Calif., i, 1870, p. 208. Spizella socialis var. arizonae (3) Henshaw, Rep. Wheeler Surv., 1876, p. 244. Spizella socialis arizonae (4) Blake, Auk, iv, 1887, p. 330. (5) Belding, Land Birds Pac. Dist, 1890, p. 155. (6') Keeler, Zoe, i, 1891, p. 339. (7) Grinnell, Pasadena Acad. Sci., I, 1897, p. 18. (8) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 42. (9) Ober- holser, Proc. U. S. Nat. Mus., xxii, 1900, p. 232. (10) Mearns, Bull. U. S. Nat. Mus., LVI, 1907, p. 142. (11) Richardson, Condor, x, 1908, p. 68. Spizella passerina arizonae (12) Linton, Condor, xi, 1909, p. 194. (13) Osburn, Condor, XI, 1909, p. 137. (Ill) Willett, Pac. Coast Avif., 7, 1912, p. 80. (/J) Grinnell, Pac. Coast Avif., 11, 1915, p. 118. Chipping Sparrow (16) Willett, Condor, xii, 1910, p. 171. Resident in rather small numbers on some of the islands. J. Grinnell (7) noted a few on San Clemente in the spring of 1897, and from the actions of a pair, he judged that they had a nest nearby. C. B. Linton {12) shot two birds there in December, 1908. I have seen them occasionally on Catalina during April. In June, one year in the sixties, J. G. Cooper {1) noted a flock of them on the same island. A. van Rossem and I saw a number on Santa Cruz in April, 1911, and J. Grinnell {MS) found them plentiful there during the first part of September, 1903. G. Willett {16) reported the species as plentiful on Santa Rosa Island, June 7, 1910. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 79 141. Spizella atrogularis (Cabanis) Black-chinned Sparrow Spizella atrogularis (1) Linton, Condor, xi, 1909, p. 194. (2) Grinnell, Pac. Coast Avif., 11, 1915, p. 119. The single record is of a female shot by C. B. Linton (!) on San Clemente Island, December 5, 1908. 142. Junco hyemalis thurberi Anthony Thurber Junco Junco hiemalis oregonus (J) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. Junco hyemalis thurberi. (2) Linton, Condor, x, 1908, p. 85. (3) Linton, Condor, x, 1908, p. 128, (-'/) Willett, Pac. Coast Avif., 7, 1912, p. 82. Junco oreganus oreganus (.5) Grinnell, Pac. Coast Avif., 11, 1915, p. 120. Junco oreganus thurberi (6) Grinnell, Pac. Coast Avif., 11, 1915, p. 120. Rare winter visitant. C. B. Linton (2) collected a bird on San Clemente Island, October 13, 1907, he (4) saw one on San Nicolas, March 31, 1910, and (.3) took a pair on Santa Cruz November 28, 1907. In the latter locality J. Mailliard {!) shot a female in April, 1898, which he ascribed to oregonus. He (MS) now, however, believes that it is thurheri. 143. Amphispiza belli (Cassin) Bell Sparrow Poospiza belli (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (2) Cooper, Land Birds Calif., I, 1870, p. 204. Amphispiza belli {3) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, p. 140. (^) Belding, Land Birds Pac. Dist., 1890, p. 162. (J) Keeler, Zoe, i, 1891, p. 340. (6) Grinnell, Pasadena Acad. Sci., i, 1897, p. 18. (7) Breninger, Auk, xxi, 1904, p. 221. (8) Lin- ton, Condor, x. 1908, p. 85. (5) A. O. U. Check-list, 3d ed., 1910, p. 269. {10) Wil- lett, Pac. Coast Avif., 7, 1912, p. 82. (11) Grinnell, Pac. Coast Avif., 11, 1915, p. 121. Amphispiza belli clementae (12) Ridgway, Auk, xv, 1898, p. 230. (13) A. 0. U. Commit- tee, Auk, xviii, 1901, p. 313. (i//) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 141. Amphispiza belli belli (15) Ridgway, Birds North & Mid. Am., i, 1901, p. 268. Bell Sparrow (16) Willett, Condor, xii, 1910, p. 171. Common resident of San Clemente, San Nicolas and Santa Rosa islands. R. Ridgway (12) described a subspecies, A. h. clementae, from San Clemente, simi- lar to belli in coloration, but larger and with a relatively larger bill. The differ- ence, however, has not been considered to be sufficiently pronounced to justify the recognition of the subspecies. On San Clemente the species is common on the mesa lands back from the shore, and L. j\I. Huey and I found several nests with pipped eggs and young the latter part of March, 1915. They were situated in scrubby brush a few inches above the ground. J. G. Cooper (1, 2) reported a specimen of the Bell Sparrow from Santa Barbara Island. There is a specimen of Melospiza m. graminea in juvenal plum- age, in the Museum of Vertebrate Zoology at Berkeley, from Santa Barbara Isl- and, marked in Dr. Cooper's handwriting "May 30, 1863, Poospiza belli or Feu- 80 PACIFIC COAST AVIFAUNA No. 12 cea ruficeps". Under the circumstances the species cannot be credited to the fauna of that island. Several writers state that it is common on San Nicolas, and G. Willett (16) reported it as numerous in tlie hrush of Santa Rosa Island in June, 1910. 144. Aimophila ruficeps ruficeps (Cassin) RlIPOUS-CROWNED SpARROW Peucaea ruficeps (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (2) Cooper, Land Birds Calif., i, 1870, p. 218. (3) Henshaw, Rep. Wheeler Surv., 1876, p. 244. (//) Belding, Land Birds Pac. Dist., 1890, p. 163. Aimophila ruficeps ruficeps (5) Ridgway, Birds North & Mid. Am., i, 1901, p. 247. (6') Linton, Condor, x, 1908, p. 128. (7) A. O. U. Check-list, 3d ed., 1910, p. 272. (8) Willett, Pac. Coast Avif., 7, 1912, p. 83. (9) Grinnell, Pac. Coast Avif., 11, 1915, p. 122. Aimophila ruficeps {10) Howell and van Rossem, Condor, xiii, 1911, p. 210. Common resident on Santa Cruz, and has been taken on Catalina. J. G. Cooper took two adults in worn plumage on Catalina, June 19 and 28, 1863, now in the collection of the Museum of Vertebrate Zoology at Berkeley. As far as I know, no one has since met with the species in this locality. On Santa Cruz^ in December, 1907, C. B. Linton (6) encountered a flock of some forty or fifty birds feeding on a hillside. Daring April, 1911, A. van Ros- sem and I {10) found them rather common in suitable places. A female which I shot on the 26th had no feathers on the abdomen, indicating that she was incu- bating at the time. Through the kindness of J. E. Thayer and J. Grinnell, I recently assembled a series of thirteen specimens of this species from Santa Cruz Island, and eighty- three from the mainland. The conclusion reached is that the island birds differ from the continental ones in having slightly shorter wing, bill and middle toe, and longer tail and tarsus. The bill is wider at the base, and the tarsus heavier. The underparts seem to average slightly darker, and there is less tendency to buffiness on the chin. The upper parts are about the same in the two lots. Al- though these differences are readily apparent in a series, there is no constant criterion, and therefore, according to my opinion, no justification in naming a new form. 145. Melospiza melodia graminea C. H. Townsend Santa Barbara Song Sparrow Poospiza belli (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Melospiza heermanni (2) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (.{) Cooper, Land Birds Calif., i, 1870, p. 213. Melospiza fasciata samuelis {J^) Henshaw, Auk, iii, 1886, p. 453. Melospiza fasciata graminea (5) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, p. 139. (6") A. O. U. Committee, Auk, viii, 1891, p. 86. (7) Grinnell, Pasadena Acad. Sci., i, 1897, p. 6. (8) Davie, Nests & Eggs N. Am. Birds, 5th ed., 1898, p. 392. (.0) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 44. Melospiza fasciata samuelis i?) {10) Keeler, Zoe, i, 1891, p. 339. Mielospiza'\. fasciata graminea {11) Keeler, Zoe, i, 1891, p. 342. Mlelospiza'i. fiasciata]. graminea {12) Beck, Bull. Cooper Orn. Club, i, 1899, p. 86. Melospiza melodia graminea {13) Oberholser, Auk, xvi, 1899, p. 183. {V/) A. 0. U. 1017 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 81 Check-list, 3d ed., 1910, p. 274. (/J) Howell and van Rossem, Condor, xiii, 1911, p. 210. (lU) Willett, Pac. Coast Avlf., 7, 1912, p. 84. (/?) Grinnell, Pac. Coast Avif., 8, 1912, p. 22. (IS) Wright and Snyder, Condor, xv, 1913, p. 91. (19) Grinnell, Pac. Coast Avif., 11, 1915, p. 125. Melospiza cinerea graminea (20) Ridgway, Birds North & Mid. Am., i, 1901, p. 369. (21) A. O. U. Committee, Auk, xx, 1903, p. 35. Melospiza graminea (22) Grinnell, Pac. Coast Avit'., 3, 1902, p. 56. Mlelospiza]. m\_elodia]. graminea (23) Coues, Key N. Am. Birds, 5th ed., 1903, p. 420. Mlelospiza]. c[merea]. graminea (2Ji) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 358. (25) Reed, N. Am. Birds' Eggs, 1904, p. 267. Melospiza graminea (?) (26) Linton, Condor, x, 1908, p. 128. Abundant resident of Santa Barbara Island, and less common on Santa Cruz. C. H. ToM-nsend (5) described this subspecies from an adult male taken on Santa Barbara Island, February 12, 1889. It is quite similar to the next form (Melospiza tn. clementae) , but much smaller. In the type locality the first of ^lay, 1908, I found these birds fairly swarming, flushing from the short scrub at my approach and flitting to the tops of nearby bushes. J. Grinnell (7) says that during the middle of May, 1897, full grown juveniles were numerous, and the adults apparently engaged in building their second nests. Their song, notes and actions were just as those of the mainland bird. He and H. Gay lord dis- covered five nests, a typical one being supported by the obliquely-growing twigs of a bush, and lined and internally composed of fine yellow grasses, in marked contrast to the larger brown grass and weed stems of which this nest is basally built. From three to five eggs are laid. Five sets, aggregating nineteen eggs, secured on May 1-1 and 15, average .61x.78 inches. Extremes are .70 to .82 in length, and .57 to .64 in diameter. The markings are indistinguishable from those of the eggs of the mainland bird. As previously mentioned there is a young bird in the Museum of Vertebrate Zoology (no. -1142), taken on Santa Barbara Island, May 30, 1863, by J. G. Cooper, and labelled by him ''Poospiza belli or Feucea ruficeps". A. van Rossem {15) heard two song sparrows near Prisoner's Harbor, Santa Cruz Island the last of April, 1911, but we failed to see any. J. Mailliard {9) states that during April, 1898, he found none except in a certain cypress hedge. If those were shot several more w^ould appear to take their places in a day or two. C. B, Linton {26) found them fairly common on this island in November and December, 1907. Coues {23) says that the subspecies occurs on the adjacent mainland during the winter, but I know of no specimen having been taken to confirm this statement and consider the occurrence as doubtful in the extreme. On Catalina Island, in April, 1908, I twice heard the song of this species in the same patch of brush. No song sparrow has been taken on this island. If the bird that I heard was one of a resident race it was probably of the subspecies graminea, but if a migrant or winter visitant, it is more likely to have been a straggler from the mainland. 146. Melospiza melodia clementae C. H. Townsend San Clemente Song Sparrow Melospiza heermanni (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. 82 PACIFIC COAST AVIFAUNA No. 12 Melospiza fasciata clementae (2) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, p. 139. (3) Keeler, Zoe, i, 1891, p. 342. (Jf) A. 0. U. Committee, Auk, viii, 1891, p. 86. (5) Grinnell, Pasadena Acad. Sci., i, 1897, p. 18. (6') Davie, Nests & Eggs N. Am. Birds, 5th ed., 1898, p. 392. Melospiza fasciata samuelis (?) (7) Keeler, Zoe, i, 1891, p. 339. Melospiza melodia clementae (8) McGregor, Bull. Cooper Orn. Club, i, 1899, p. 88. (9) Oberholser, Auk, xvi, 1899, p. 183. (10) Oberholser, Proc. U. S. Nat. Mus., xiii, 1900, p. 232. (11) A. 0. U. Check-list, 3d ed., 1910, p. 274. (/.?) Willett, Pac. Coast Avif., 7, 1912, p. 84. (13) Grinnell, Pac. Coast Avif., 8, 1912, p. 22. (I'l) Grinnell, Pac. Coast Avif., 11, 1915, p. 126. Melospiza cinerea clementae (15) Ridgway, Birds North & Mid. Am., i, 1901, p. 368. {16) A. O. U. Committee. Auk, xx, 1903, p. 351. Melospiza clementae (i7) Grinnell, Pac. Coast Avif., 3, 1902, p. 56. (IS) Linton, Condor, X, 1908, p. 85. Melospiza coronatoriim (19) Grinnell and Daggett, Auk, xx, 1903, p. 34. (:iO) Wright, Condor, xi, 1909, p. 100. (21) Osburn, Condor, xi, 1909, p. 137. M[elospiza]. m\_elo(lia'\. clementae {:i2) Coues, Key N. Am. Birds, 5th ed., 1903, p. 421. M[elospiza]. ciinerea']. clementae (23) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 359. {24) Reed, N. Am. Birds' Eggs, 1904, p. 267. Song Sparrow {25) Breninger, Auk, xxi, 1904, p. 221. Melospiza mlelodia]. clementae (26) Willett, Condor, xii, 1910, p. 172. Melospiza mlelodia]. coronatorum {21) Osburn, Condor, xiii, 1911, p. 32. Common resident of Los Coronados, San Clemente, San Miguel and Santa Rosa islands. Originally described by C. H. Townsend {2) from an adult male taken on San Clemente Island, January 25, 1889. Quite similar to cooperi but slightly larger, with coloration grayer, back light olive-grayish and black streaks narrower. J. Grinnell and F. S. Daggett (19) described another subspecies from the Coronados, the type being an adult male taken August 7, 1902. The coloration is said to be about the same as that of clementae but tarsus shorter and bill small- er. This form is not recognized by the A. 0. U. Committee, but the characters certainly hold good in the case of all specimens which I have examined. Song Sparrows are not especially numerous on most parts of the Coronados, but are pretty evenly distributed over the four islands. The latter part of May, 1914, D. R. Dickey (MS) and party discovered seven nests. These were situated either in the low bushes, the carpet of ice plant, or on the ground. The sets, of three or four eggs, seemed to be fresh at this date, and were undoubtedly the second laying, but as all birds must necessarily breed on rather steep hillsides, a sur- prising number of eggs had been broken by pebbles rolling or bouncing into the nests from higher up the slope. Grass, fine weed stems, and some gull feathers are the usual material. Song Sparrows are most abundant on San Clemente where their habit of nesting in wisps of grass that grow in the opuntia patches is favorable to their rapid increase. In late April, 1915, D. R. Dickey, L. M. Huey and I found many nests situated as above and a few in thorny bushes or in low weeds. Most of them held young at this date. I saw a juvenile strong on the wing and with tail almost full length, March 27, after which date they were common; and on April 9 I shot one that had almost entirely completed the post-juvenal molt 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 83 How many broods each season they may raise I do not know, ])ut there must be three at least. Their notes are very similar to those of the mainland birds. G. Willett (26) reports that in June, 1910, this was one of the commonest birds on San IMigiiel, and several writers have recorded it as present on Santa Rosa Island in considerable numbers. Just why gratninea should occur in the intermediate territory between the extreme ranges of clementae, with climatic and food conditions apparently very similar, is a problem in distribution on which I am able to throw no light. 147. Melospiza lincolni lincolni (Audubon) Lincoln Sparrow Melospiza Uncolnii (/) Grinnell, Pasadena Acad. Sci., i, 1897, p. 19. (2) Grinnell, Auk, XV. 1898, p. 235. (3) Mearns, Bull. U. S. Nat. Mus., i.vi, 1907, p. 142. Melospiza lincolni (4) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. (.*) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 232. Melospiza lincohii lincolni ((J) Willett, Pac. Coast Avif., 7, 1912, p. 85. (7) Grinnell, Pac. Coast Avif., 11, 1915, p. 128. Evidently a rather rare but regular winter visitant. J. Grinnell {!) took one bird and saw another on San Clemente, March 30, 1897. He (,2) also saw one on two occasions in a dooryard on Catalina in December, 1897, and there was an adult female taken here by C. P. Streator (J) during April, 1892. Col- lected also by J. Mailliard (i) in April, 1898, on Santa Cruz Island. 148. Passerella iliaca unalaschcensis (Gmelin) Shumagin Fox Sparrow^ Plasserella]. iliaca unalaschensis (I) Streator, Orn. & Ool., xiii, 1888, p. 53. Passerella iliaca unalaschcensis (.2) Linton, Condor, xi, 1909, p. 194. (3) Willett, Pac. Coast Avif., 7, 1912, p. 85. (4) Grinnell, Pac. Coast Avif., 11, 1915, p. 128. During the winter months fox sparrows occur on the islands in consider- able numbers, but as they have been reported so often on sight identification alone, it is hard to judge the relative numbers of the several forms. C. B. Linton (2) took a female of the subspecies unalaschcensis on San Cle- mente Island, November 21, 1908, pronounced by J. Grinnell as not typical. A. van Rossem shot one on Santa Cruz, April 27, 1911, and I saw another which may or may not have been of this form. 149. Passerella iliaca megarhyncha Baird TlIICK-BlLLED Fox SpARROW Passerella iliaca megarhynclia (1) Grinnell, Auk, xv, 1898, p. 235. (2) Oberholser, Proc. U. S. Nat. Mus., XXII, 1900, p. 232. (3) Willett, Pac. Coast Avif., 7, 1912, p. 86. (.',) Grinnell, Pac. Coast Avif., 11, 1915, p. 129. On Catalina, during late December, 1897, J. Grinnell (1) took four speci- mens referable to this race; C. P. Streator (2) shot three typical ones in April, 1892, and A. van Rossem (.5) secured a pair February 15, 1910. I shot a female on San Clemente, March 28, 1915. On the day before I had seen a bird which appeared to be of the same subspecies. G. Willett (.5) collected an adult female 84 PACIFIC COAST AVIFAUNA No. 12 on Santa Cruz, November 24, 1907. I may be mistaken, but I believe that me- garhyncha is the most numerous one of the four fox sparrows that are found on the islands, with insnlaris a close second. 150. Passerella iliaca Stephens! Anthony Stephens Fox Sparrow Passerella iliaca stephensi {1) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 233. (2) Grinnell, Pac. Coast Avif., 3, 1902, p. 58. (3) Linton, Condor, x, 1908, p. 128. (^) Willett, Pac. Coast Avif., 7, 1912, p. 86. (o) Grinnell, Pac. Coast Avif., 11, 1915, p. 131. In April I have found fox sparrows in numbers on Catalina, and one that I secured on the 8th is indistinguishable from breeding birds of the San Bernar- dino Mountains. C. P. Streator shot a pair in this locality April 19 and 21, 1892, Miiich Oberholser (1) pronounces of this subspecies. C. B. Linton (,?) se- cured one in the underbrush near the top of Santa Cruz Island, December 14, 1907. 151. Passerella iliaca insularis Ridgway Kadiak Fox Sparrow Passerella iliaca unalaschcensis (1) Grinnell, Auk, xv, 1898, p. 235. Passerella iliaca insularis {2) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 232. (3) Grinnell, Pac. Coast Avif., 3, 1902, p. 57. (.'/) liinton, Condor, x, 1908, p. 85. (5) Linton, Condor, x, 1908, p. 128. (6) Willett Pac. Coast Avif., 7, 1912, p. 87. (7) Grinnell, Pac. Coast Avif., 11, 1915, p. 129. Passerella iliaca insularis (.'') (8) Richardson, Condor, x, 1908, p. 68. Passerella iliaca sinuosa (9) Grinnell, Pac. Coast Avif., 11, 1915, p. 129. C. B. Linton (4) obtained several of these birds on San Clemente Island in the winter of 1907-8, the first on October 5, and the last April 1. C. P. Streator (2) shot one on Catalina in April, 1892, A. van Rossem (MS) a female Febru- ary 15, 1910, and J. Grinnell (1) three in December, 1897. C. B. Linton and Gr. Willett (5) also took several in the pines of Santa Cruz Island during November and December, 1907. 152. Pipilo maculatus oregonus Bell Oregon Towhee Pipilo maculatus oregonus (1) Linton, Condor, xi, 1909, p. 194. (2) Willett, Pac. Coast Avif., 7, 1912, p. 87. {3) Swarth, Condor, xv, 1913, p. 172. (}) Grinnell, Pac. Coast Avif., 11, 1915, p. 132. C. B. Linton (1) secured an adult female of this form on San Clemente, De- cember 4, 1908, the specimen now being in the University of California Museum of Vertebrate Zoology. The fact of this bird having been taken so far from its usual range is surprising, but although there is of course the possibility that it may be an individual variant of clementae, it is in appearance unquestionably nearer to oregonus than to the local bird (3). 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 85 153. Pipilo maculatus clementae Grinnell San Clemente Towhee Pipilo meyalonyx (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (.i) Cooper, Land Birds Calif., 1870, p. 242. Pipilo maculatus megalonyx (3) Belding, Land Birds Pac. Dist., 1890, p. 171. ( '/ ) Town- send, Proc. U. S. Nat. Mus., xiii, 1890, p. 140. (J) Grinnell, Auk, xv, 1898, )). 284. Pipilo clementae {6) Grinnell, Auk, xiv, 1897, p. 294. (7) Grinnell, Pasadena Acad. Sci., I, 1897, p. 19. (S) Grinnell, Pac. Coast Avif., 3, 1902, p. 58. (9) Linton, Condor, x, 1908, p. 85. Pipilo maculatus clementae (10) A. O. U. Committee, Auk, xvi, 1899, p. 120. (11) Ridg- way, Birds North & Mid. Am., i, 1901, p. 418. (12) Mearns, Bull. IT. S. Nat. Mus., i.vi, 1907, p. 141. (13) Richardson, Condor, x, 1908, p. 68. (//,) A. O. U. Check-list, 3d ed., 1910, p. 280. (15) Willett, Pac. Coast Avif., 7, 1912, p. 87. (ti!) Grinnell, Pac. Coast Avif., 8, 1912, p. 22. ill) Grinnell, Pac. Coast Avif., 11, 1915, p. 133. P[ipilo']. mlaculatus]. dementis (IS) Coues, Key N. Am. Birds, 5th ed., 1903, p. 460. P[ipilo'\. m^aculatusl. clementae (19) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 366. (20) Reed, N. Am. Birds' Eggs, 1904, p. 270. (21) Swarth, Condor, xv, 1913, p. 168. Common resident of San Clemente, Santa Catalina and Santa Rosa islands. Originally described by J. Grinnell (6) from a male taken on San Clemente Isl- and, March 31, 1897. It differs from megalonyx in being slightly larger, especi- ally the bill and feet, and with lower back and rump grayer. C. B. Linton (.9) says that the birds are common near Mosquito Harbor, San Clemente Island. In October, 1907, they were shaking the twigs of the wild cherry trees and then flying down to feed on the fallen frnit. They practically do not occur on the western end of the island, for during a three weeks stay, a single call note from a dense patch of cactus was all that D. R. Dickey, L. ]M. Huey and I saw or heard of tbem. T have found them in some numbers on Catalina during April. In the early mornings the males will mount some bush and send forth their characteristic note by the hour, but later in the day they scratch among the leaves in the shade of the bushes. Here they are rather hard to locate, and unless approaclied with due caution, will dive into the bush and become hopelessly lost in tlie scrub on the other side. R. M. Perez (15) took three sets of eggs here from April 13 to 16, 1911, in which incubation was advanced. A single bird was reported from Santa Barl)ara Island by J. G. Cooper (/). If correct in regard to the locality of the specimen, it must have been a straggler either from Catalina or Santa Cruz. If from the latter island, it would of course be referable to the next form. Reported as not rare on Santa Rosa. A. van Ros- sem (MS) tells me that the note of the towhees on San Clemente has none of the querulous upward inflection of that of mcgalonux, and is shorter and more in- sistent. I have also been impressed by the unusual tone of the notes of this form on Catalina. 154. Pipilo maculatus megalonyx Baird San Diego Towhee Pipilo maculatus var. megalonyx (1) Henshaw, Rep. Wheeler Surv., 1876^ p. 247. 86 PACIFIC COAST AVIFAUNA No. 12 Pipilo maculatus megalonyx (2) Blake, Auk, iv, 1887, p. 330. {3) Belding, Land Birds Pac. Dist, 1890, p. 171. ()) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, p. 140. (5) Keeler, Zoe, i, 1891, p. 339. (6) Linton, Condor, x, 1908, p. 208. (7) Swarth, Con- dor, XV, 1913, p. 168. (8) Grinnell, Pac. Coalst Avif., 11, 1915, p. 132. Pipilo maculatus oregonus (9) Mailliard, Bull. Cooper Orn. Club, i, 1899, ]). 42. (10) Beck, Bull. Cooper Orn. Club, i, 1899, p. 86. Pipilo maculatus clementae (//) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 233. (12) Ridgway, Birds North & Mid. Am., i, 1901, p. 418. (IS) Howell and van Ros- sem. Condor, xiii, 1911, p. 210. (U,) Willett, Pac. Coast Avif., 7, 1912, p. 87. (].'>) Wright and Snyder, Condor, xv, 1913, p. 91. Pipilo clementae (?) (16) Linton, Condor, x, 1908, p. 128. Pipilo maculatus subsp. (77) Osburn, Condor, xi, 1909, p. 139. Spurred Towhee (18) Willett, Condor, xii, 1910, p. 171. Tlie towhees of Santa Crnz Island have nsually been classed with the last vhce, bnt several observers have placed them otherwise. While we were on the island in April, 1911, A. van Rossem called my attention to the fact that the call and song of the birds in that locality were precisely like those of megalonyx on the mainland, whereas the notes of the towhees from the other islands are con- siderably different. The few birds from Santa Crnz Island in my collection are easily distinguished from Catalina specimens, but cannot be told from birds from Los Angeles County. H. S. Swarth (7) presents this fact very clearly, and after examining large series, identifies Santa Cruz Island birds as megalonyx. He in- fers that towhees from Santa Rosa Island would also be referable to the mainland race, but until an adecpiate series from that locality has been examined, I provi- sionally place them with clementae. Towhees are not abundant on Santa Cruz. In the spring they are shy and little in evidence, but in the fall, when their numbers have been increased by the yearly crop of youngsters, they are rather more common, scratching among the leaves of the brushy hillsides. Osburn {17) reported having seen a spotted towhee on the Coronados. If there was no mistake in regard to the record, this bird was probably a straggler from the mainland, for it is certain that no Pipilo is resident on that group of islands. 155. Zamelodia melanocephala (Swainson) Black-headed Grosbeak Habia melanocephala (1) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. Zamelodia melanocephala capitalis (2) Grinnell, Pac. Coast Avif., 11, 1915, p. 135. On Santa Cruz Island, J. Mailliard {1 and M^) shot a male April 27, 1898, and saw several more. W. L. Dawson {M8) also saw a male that was in the possession of Mr. Lucchelli of that island. 156. Guiraca caerulea lazula (Lesson) Western Blue Grosbeak Guiraca caerulea lazula (1) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 44. (2) Wil- lett, Pac. Coast Avif., 7, 1912, p. 88. Guiraca caerulea, salicarius (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 136. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 87 J. iMailliard (1) shot two males and saw another, April 30, 1898, on Santa Cniz. 157. Passerina amoena (Sny) Lazuli Bunting Cyanospiza amoena (1) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. (2) Richardson, Condor, x, 1908, p. 68. Passerina amoena (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 136. Sometimes rather common during migration. C. H. Richardson (2) states that he has seen this species occasionally during April in the canyons of Cata- lina. J. ^lailliard (1) shot a specimen on Santa Crnz Island, April 14, 1898, and (318) saw several more on the 21st, while W. L. Dawson {M8) says that it formed the principal part of a migration wave that reached that locality April 19, 1915. 158. Pirang"a ludoviciana (Wilson) Western Tanager Piranga ludoviciana {!) Linton, Condor, x, 1908, p. 85. (2) Howell, Condor, xii, 1910, p. 187. Regular migrant in small numbers. I (.2) saw a male on the Coronados, i\lay 26 and 27, 1910, which seemed to feel very much out of place. D. R. Dickey, L. M. Huey and I noted one feeding on some low bushes on San Clemente, March 23, 1915, and C. B. Linton (1) saw several in the same locality during the spring of 1907. J. Grinnell (MS) heard one on the hillside of Santa Cruz Island, Sep- tember 3, 1903. 159. Piranga rubra cooperi Ridgway Cooper Tanager Piranga rubra cooperi (1) Linton, Condor, x, 1908, p. 85. (2) Willett, Pac. Coast Avif., 7, 1912, p. 89. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 137. A female of this species was secured by C. B. Linton (1) on San Clemente, October 11, 1907, and is now in the collection of J. E. Thayer. 160. Hirundo erythrogastra Boddaert Barn Swallow Hirundo horreorum (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (.2) Henshaw, Rep. Wheeler Surv., 1876, p. 235. Chelidon erytJirogaster (3) Blake, Auk, iv, 1887, p. 330. (.)) Belding, Land Birds Pac. Dist, 1890, p. 187. (.T) Keeler, Zoe, i, 1891, p. 339. Hirundo erythrogastcr (0) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. Hirundo erytJirogastra (7) Howell and van Rossem, Condor, xiii, 1911, p. 210. (S) Wil- lett, Pac. Coast Avif., 7, 1912, p. 90. (9) Wright and Snyder, Condor, xv, 1913, p. 91. Common summer visitant on some of the islands. A limited number occur on the Coronados during the spring and summer, breeding in the sea caves where their nests must frequently be dampened by tlie spray. D. R. Dickey and L. M. 8S PACIFIC COAST AVIFAUNA No. 12 Huey (318) noted two or three birds about the caves of San Cleniente in April, 1915, and G. Willett (MS) says lie saw them building commonly in the caves of Catalina during April, 1904. H. Wright (9) saw birds on Santa Barbara Isl- and, July 2 and 8, 1912, and he found a nest with an addled egg on Anacapa, July 1. Abundant on Santa Cruz, where, in Apiil, 1911, we found them nesting in a certain large tide cave in such numbers that their twittering could be heard a long distance away. They frequently visited a spring near camp for the pur- pose of gathering mud, sometimes trailing long wisps of grass in their wakes. 161. Tachycineta thalassina lepida Meams Northern Violet-green Swallow^ On San Clemente Island, April 9, 1915, one of these birds flew close over D. E. Dickey and L. ]\T. Huey, permitting certain identification. 162. Bombycilla cedrorum Vieillot Cedar Waxwing Ampelis cedrorum (/) Grinnell, Pasadena Acad. Sci., i, 1897, p. 19. (.?) Mearns, Bull. U. S. Nat. Mus., Lvi, 1907, p. 142. Bombycilla cedrorum (S) Willett, Pac. Coast Avif., 7, 1912, p. 91. (//) Dawson, Condor, xvii, 1915, p. 204. (r,) Grinnell, Pac. Coast Avif., 11, 1915, p. 140. Irregular visitant. On San Clemente, J. Grinnell (1) saw a single bird May 31, 1897, which was unmistakably of this species. W. L. Dawson (4) noted a flock of about forty birds on Santa Cruz Island. April 11, 1915, which remained among the holl.y bushes for a week or more. 16.3. Lanius ludovicianus anthonjd Mearns Island Shrike Collyrio excuhitorides (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Collurio ludovicianus var. excuhitorides (2) Henshaw, Rep. Wheeler Surv., 1876, p. 237. Lanius hidovicianus excuhitorides (/?) Blake, Auk, iv, 1887, p. 330. Lanius ludovicianus gamheli (.'/) Keeler, Zoe, i, 1891, p. 339. (.7) Grinnell, Pasadena Acad. Sci., i, 1897, p. 19. (6) Grinnell, Auk, xv, 1898, p. 234. Lanius ludovicianus anthonyi (7) Mearns, Auk, xv, 1898, p. 261. (S) Wright, Condor, xi, 1909, p. 100. Dusky Warbler (2/,) Beck, Bull. Cooper Orn. Club, i, 1899, p. 86. (2.T) (Snyder), Oolo- gist, XXVI, 1909, p. 188. Helminthophila sordida (26) Grinnell, Pac. Coast Avif., 3, 1902, p. 63. (21) Linton, Condor, x, 1908, p. 86. (28) Linton, Condor, x, 1908, p. 128. Hielminthophila]. c[elata]. sordida (29) Coues, Key N. Am. Birds, 5th ed.. 1903, p. 315. (30) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 405. (31) Reed, N. Am. Birds' Eggs, 1904, p. 292. Vermivora celata sordida (32) Oberholser, Auk, xxii, 1905, p. 245. (33) Mearns, Bull. U. S. Nat. Mus., i.vr, 1907, p. 141. (3Ji) A. O. U. Check-list, 3d ed., 1910, p. 308. (.?.T) Willett, Pac. Coast Avif., 7, 1912, p. 95. (36) Grinnell. Pac. Coast Avif., 8, 1912, p. 18. (37) Wright & Snyder, Condor, xv. 1913, p. 92. (3S) Grinnell, Pac. Coast Avif., 11, 1915, p. 146. Herminthophila c[elata]. sordida (39) Cooke, Auk, xxii, 1905, p. 297. Helminthophila celata (^lO) Osburn, Condor, xi, 1909, p. 138. Reported from all the islands except San Nicolas. This subspecies was first described by C. H. Townsend (,9) from a male taken on San Clemente, January 25, 1889. From lutescens it differs in being darker, with larger feet and bill, and slightly shorter wings. On the Coronados I have found the Dusky Warbler common, frequenting mostly the denser growth of bushes on the hillsides. On May 27, 1914, D. R. Dickey (MS) found four nests in a certain kind of scrubby bush, the lower or downhill sides of which are always grown with gray moss. All four nests were situated in clumps of this, but were empty. Common on the eastern part of San Clemente, where O. W. Howard (20) found several sets of eggs in April, and young ready to leave the nest the first Aveek in May. On the western end of the island, however, the species is almost lacking, as two or possibly three birds were all that three of us heard or saw during a three week's stay in the early spring of 1915. On Catalina I have found it rather abundant in the darker canyons and on the wooded hillsides. In April, 1907 and 1908, I discovered several nests with eggs or newly hatched young, but in the same month of 1911, although I found the birds to be unusually common, they showed no indications of building, and a diligent search for a week failed to reveal a single nest. Here during the last of December, 1897, J. Grinnell (ii) says that they were feeding on the fruit of the opuntia, which had stained their digestive organs and the surrounding tissue a liright red. Reported provisionally from Santa Barbara Island by J. G. Cooper (i), but its occurrence there has not been confirmed, and he may have been mistaken in the birds he saw. On Anacapa, however, it occui^s in limited numbers, and H. J. Iieland(> (35) took a set of four slightly incubated eggs there x\pril 6, 1906. 92 PACIFIC COAST AVIFAUNA No. 12 On Santa Cruz, A. van Rossem and I met with numbers of these warblers during April, 1911, and C. B. Linton (28) reported them very common there in November and December, 1907. J. JNIailliard (16) says that tlie note of the birds he heard was longer and sti'onger than that of lufcsccns, with two louder addi- tional notes at the end of the trill. C. H. Townsend (9) mentions a specimen that was secured on Santa Rosa, January 7, 1889, and 0. W. Howard (MS) says that he has observed this form on San Miguel. On a small peninsula near Coronado Beach, known as the Spanish Bight, and now the aviation camp, I noted many Dusky Warblers, and found three in- complete nests April 6, 1910. A. M. IngersoU (MS) has also found nests at Point Loma, nearby. It occurs in limited numbers on the islands during the fall and winter, but the majority migrate to the mainland, where they may be found in the lowlands from the Mexican line to Santa Barbara County. The usual nesting site of the Lutescent Warbler is on the ground, but T liave never heard of sordida building in such a situation. On the smaller barren isl- ands, such as the Coronados and Todos Santos (where it is common), they build in a bush or tangle of vines, a foot or so above the ground, and the nest is always mainly constructed of gray moss, where this is to be had, lined wnth a little fine grass. On the larger islands, where there are good-sized trees, the site chosen may be a thicket of vines several feet above the bed of a stream, a small shrub, say four feet up, or perhaps an oak as much as fifteen feet above the ground. In such case the nest is quite substantially made of leaves, twigs, bark, rootlets, and often a little sheep wool. Three or four eggs constitute a set, and at least two broods of young are raised each year. 167. Dendroica coronata (Linnaeus) IMyrtle Warbler Dendroica coronata (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 7. (2) Linton, Condor, XI, 1909, p. 194. (3) Willett. Pac. Coast Avif., 7, 1912, p. 96. Dendroica coronata hooveri (//) Grinnell, Pac. Coast Avif., 3, 1902, p. 64. (•>) Grinnell, Pac. Coast Avif., 11, 1915, p. 147. Uncommon winter visitant to the islands. C. B. Linton (2) recorded this species as fairly common on San Clemente in the winter of 1908, and J. Grinnell (1) shot an adult female on Santa Barbara Island, Maj^ 15, 1897, the only one seen. 168. Dendroica auduboni auduboni (J. K. Townsend) Audubon Warbler Dendroica auduboni (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 20. (2) Grinnell, Auk, XV, 1898, p. 236. (.3) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. (.'/) Mearns, Bull. U. S. Nat. Mus., lvi, 1907. p. 142. (.5) Richardson, Condor, x, 1908, p. 68. (6) Linton, Condor, x, 1908, p. 86. (7) van Rossem, Condor, xi, 1909, p. 208. (S) How- ell and van Rossem, Condor, xiii, 1911, p. 210. (.'/) Grinnell, Pac. Coast Avif., 11, 1915, p. 148. Audubon Warbler (W) Grinnell, Bull. Cooper Orn. Club, t, 1S99, p. 17. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 93 Abundant winter visitant. Arrives in October and leaves in April. A. van Rossem (7) found this species very common on the Coronados the first week in April, 1909, and we noted it on San Clemente up to the same time in 1915. It was very numerous on Catalina during my several visits in April, especially so in 1911, while during December, 1897, J. Grinnell {10) says that it was even on the beaches, busily engaged in flycatching within a few feet of the surf. On Santa Cruz, A. van Rossem and I (8) found a few still present the last week in April, 1911. 169. Dendroica magnolia (Wilson) Magnolia Warbler Dendroica maculosa (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 7. Dendroica magnolia {2) Willett, Pac. Coast AviL, 7, 1912, p. 96. (J) Grinnell, Pac. Coast Avif., 11, 1915, p. 148. J. Grinnell {!) shot an adult male of this species on Santa Barbara Island, May 15, 1897. It was the only one seen. 170. Dendroica nigrescens (J. K. Townsend) Black-throated Gray Warbler Dendroica nigrescens (1) Dawson, Condor, xvii, 1915, p. 204. In a little canyon on Santa Cruz Island, W. L. Dawson (l) obtained a close view of two singing males on the morning of April 19, 1915. 171. Dendroica townsendi (J. K. Townsend) Townsend Warbler Dendroica townsendi (i) Grinnell, Pasadena Acad. Sci., i, 1897, p. 7. (2) Linton, Con- dor X, 1908, p. 128. (3) Linton, Condor, xi, 1909, p. 194. (^) Willett, Pac. Coast Avif., 7, 1912, p. 97. (5) Grinnell, Pac. Coast Avif., 11, 1915, p. 149. Probably a regular migrant, although not common. An occasional individ- ual may spend the winter. On San Clemente Island, C. B. Linton {3) shot a Townsend Warbler while it was flying along the beach, in December, 1908. H. Gaylord and J. Grinnell {!) each shot a female on Santa Barbara Island, May 16, 1897, and Linton {2) secured a bird on Santa Cruz, December 13, 1907. 172. Dendroica occidentalis (J. K. Townsend) Hermit Warbler Dendroica occidentalis (i) Grinnell, Pasadena Acad. Sci., i, 1897, p. 7. (2) Willett, Pac. Coast Avif., 7, 1912, p. 97. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 149. H. Gaylord (i) took an adult female on Santa Barbara Island, May 14, 1897, and he and J. Grinnell saw three more the same day. 173. Geothlypis trichas arizela Oberholser Pacific Yellowthroat Yellowthroat (1) Howell, Condor, xii, 1910, p. 187. 94 PACIFIC COAST AVIFAUNA No. 12 Accidental on the islands. While on the Coronados, June 11, 1910, I (i) encountered two yellowthroats on a dry hillside. They were not at all wary and I had an excellent opportunity of observing them, hut was at the time without a gun. When I recorded this I stated the opinion of another to the effect that they probably were not arizela, but I now feel no hesitation in referring them to that race. On San Clemente, in a canyon thickly overgrown with succulent vines, I clearly saw a male yellowthroat, March 23, 1915, as it flitted before me and be- came lost in the thick growth. It was probably this form. 174. Wilsonia pusilla pileolata (Pallas) PiLEOLATED WaRBLER Myiodioctes pusillus {J) Cooper, Proc. Calif. Acad. Sci., iv, 1870, pp. 78, 80. Sylvania pusilla pileolata (2) Grinnell, Pasadena Acad. Sci., i, 1897, p. 8. Wilsonia pusilla pileolata (.3) Grinnell, Condor, v, 1903, p. 80. (//) Willett, Pac. Coast Avif., 7, 1912, p. 98. (5) Grinnell, Pac. Coast Avif., 11, 1915, p. 152. Rather uncommon migrant. J. Gr. Cooper {!) recorded what was probably this subspecies from Catalina Island in October, 1863. On Santa Barbara Isl- and, May 14, 15 and 16, 1897, J. Grinnell and H. Gaylord {2) noted several each day in the weeds of a small ravine. Two males and three females were taken. 175. Anthus rubescens (Tunstall) Pipit Anthus pensilvanicus (i) Linton, Condor, x, 1908, p. 86. (2) Linton, Condor, x, 1908, p. 128. Anthus rubescens {3) Grinnell, Pac. Coast Avif., 11, 1915, p. 153. Fairly rare winter visitant. C. B. Linton (i) shot a specimen on San Cle- mente, October 18, 1907, and {2) saw several on Santa Cruz Island during No- vember and December of the same year. 176. Mimus polyglottos leucopterus (Vigors) Western Mockingbird Mimus polyglottos (1) Belding, Land Birds Pac. Dist, 1890, p. 226. (2) Grinnell, Pasa- dena Acad. Sci., i, 1897, p. 20. (3) Grinnell, Auk, xv, 1898. p. 234. (J,) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 42. (5) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 233. Mockingbird {(>) Grinnell, Bull. Cooper Orn. Club, i, 1899, p. 17. Mimus polyglottos leucopterus (7) Breninger, Auk, xxi, 1904, p. 223. (8) Richardson, Condor, viii, 1906, p. 56. (.';) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 142. (/O) Ridgway, Birds North & Mid. Am., iv, 1907, p. 229. (11) Richardson, Condor, x, 1908, p. 68. {12) Linton, Condor, x, 1908, p. 86. (13) Linton, Condor, x, 1908, p. 128. (i//) A. O. U. Check-list, 3d ed., 1910, p. 331. (lo) Burt, Condor, xiii, 1911, p. 166. (IC) Grinnell, Auk, xxviii, 1911, p. 294. (11) Willett, Pac. Coast Avif., 7, 1912, p. 100. (18) Grinnell, Pac. Coast Avif., 11, 1915, p. 153. Common resident of San Clemente, Santa Catalina and Santa Cruz islands. Occurs also on Anacapa. On San Clemente, during 1903, G. F. Breninger (7) found this species breeding sparingly, about half a dozen pairs being on the isl- 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 95 and, but the birds have evidently increased amazingly since that time, for now they are commoner than I have ever seen them elsewhere. Several nests held small young before the first of April, 1915, and a number wdth eggs were found by us. J. Grinnell {2) states that birds from this island at least are lighter dor- sally than those from the mainland, and this also holds good in the case of my single specimen. I have found mockingbirds common on Catalina in the early spring, and Grinnell (6) says that in December, 1908, they were feeding on the fruit of the cholla cactus, which had stained their faces bright red. C. H. Rich- ardson (11) here heard one imitating the call of a Western Gull. H. C. Burt (15) heard one singing on Anacapa, March 16, 1911. Near Prisoner's Harbor, Santa Cruz Island, A. van Rossem and I found them to be rather rare, only two being encountered during our stay in the spring of 1911, but C. B. Linton [13) reported them fairly common in November and Decem- ber of 1907. 177. Salpinctes obsoletus obsoletus (Say) Rock Wren Salpinctes obsoletus (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (.3) Henshaw, Rep. Wheeler Surv., 1876, p. 231. (J) Streator, Orn. & Ool., xiii, 1888, p. 54. (.'/) Belding, Land Birds Pac. Dist, 1890, p. 229. (.J) Townsend, Proc. U. S. Nat. Mus., XIII, 1890, p. 141. (6) Keeler, Zoe, i, 1891, p. 339. (7) Grinnell, Pasadena Acad. Sci., I, 1897, pp. 8, 20. (8) Grinnell, Auk, xv, 1898, p. 236. (9) Mailliard, Bull. Cooper Orn. Club, i, 1899, pp. 41, 45. (10) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 233. ill) Grinnell, Pac. Coast Avif., 3, 1902, p. 68. (12) Grinnell and Daggett, Auk, XX, 1903, pp. 33, 37. (13) Breninger, Auk, xxi, 1904, p. 223. (U,) Mearns, Bull. U. S. Nat. Mus., Lvi, 1907, p. 141. (15) Linton, Condor, x, 1908, p. 128. (IG) Grin- nell, Condor, x, 1908, p. 130. (J7) Wright, Condor, xi, 1909, p. 100. (IS) Osburn, Condor, xi, 1909, p. 138. (19) Willett, Condor, xii, 1910, p. 171. Salpinctes pulverius (20) Grinnell, Pac. Coast Avif., 3, 1902, p. 68. Salpinctes obsoletus obsoletus (21) Ridgway, Birds North & Mid. Am., in, 1904, p. 646. (22) A. O. U. Check-list, 3d ed., 1910, p. 336. (23) Willett, Pac. Coast Avif., 7, 1912, p. 101. (24) Wright and Snyder, Condor, xv, 1913, p. 92. (23) Swarth, Condor, XVI, 1914, p. 211. (20) Grinnell, Pac. Coast Avif., 11, 1915, p. 156. Salpinctes obsoletus pulverius (27) Linton, Condor, x, 1908, p. 86. Common resident on all the islands except San Nicolas. On the Coronados I have frequently met with this species on all four islands. Most numerous well back from the shore and towards the tops of the islands. On San Clemente it is fairly common, and D. R. Dickey shot a juvenile as early as April 9, 1915. Dur- ing my several visits to Catalina in the spring, these birds were almost rare, but J. Grinnell (MS) found them to be very common everywhere on the flats, as well as among the rocks, near Johnson Harbor the latter part of August, 1903. G. Willett (19) says they are common on Anacapa, and 0. W. Howard (23) took a set of seven slightly incubated eggs there April 30, 1906. On May 1, 1908, I noted them in some numbers on Santa Barbara Island, and a couple of pairs were engaged in nest building, probably for the second time that year. Near Prisoner's Plarbor, Santa Cruz, A. van Rossem and I found the species rare in the spring of 1911, but C. B. Linton (15) recorded it as fairly numerous there during November and December, 1907. There are single records of this bird 96 PACIFIC COAST AVIFAUNA No. 12 from San Miguel and Santa Rosa. G. Willett {19), in June, 1910, found it to be one of the commonest birds on San Miguel, and during the same month he noted it on Santa Rosa also. J. Grinnell {20) at one time referred birds from San Clemente to 8. o. pul- verius, but H. S. Swarth {25), after having examined larger series, states that birds from that island are indistinguishable from those of the mainland. 178. Salpinctes obsoletus pulverius Grinnell San Nicolas Rock Wren Salpinctes obsoletus (1) Streator, Orn. & Ool., xiii, 1888, p. 54. (2) Keeler, Zoe, i, 1891, p. 340. (3) Grinnell, Pasadena Acad. Sci., i, 1897, p. 10. Salpinctes ohsoletus pulverius (4) Grinnell, Auk, xv, 1898, p. 237. (J) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 443. (6) Ridgway, Birds North & Mid. Am., in, 1904, p. 649. (7) Linton, Condor, x, 1908, p. 129. (8) A. O. U. Committee, Auk, xxv, 1908, p. 350. {9) A. O. U. Check-list, 3d ed., 1910, p. 336. ilO) Linton, Condor, XIII, 1911, p. 109. ill) Linton, Auk, xxviii, 1911, p. 489. (/:?) Willett, Pac. Coast Avif., 7, 1912, p. 101. (13) Grinnell, Pac. Coast Avif., 8, 1912, p. 17. (///) Swarth, Condor, xvi, 1914, p. 211. (15) Grinnell, Pac. Coast Avif., 11, 1915, p. 157. Salpinctes pulverius (16) Grinnell, Pac. Coast Avif., 3, 1902, p. 68. Confined to San Nicolas Island where it is a common resident. Originally described by J. Grinnell {4) from birds taken on San Nicolas, ]\Iay 19, 1897. Characterized as differing from ohsoletus in larger feet and bill, and more liuffj' coloration. H. S. Swarth {14), after assembling all available specimens of this genus from the Pacific Coast, states that although the buffy coloration is very pronounced in San Nicolas specimens with worn and abraded plumage, it is merely an adventitious acquisition and one that cannot be regarded as a subspe- cific character, for birds taken in freshly acquired autumnal plumage are indis- tinguishable in color and pattern from mainland birds in similar feather. He thus comes to the conclusion that the only subspecific difference is a slightly greater length of culmen. J. Grinnell {3) found these birds shy, and the adults especially, hard to ap- proach. They were very numerous over the whole island, but unusually so along the dry watercourses. From May 19 to 26, 1897, he found juvenals more abund- ant than adults. As G. Willett {12) discovered a nest in a sandstone cliff con- taining a single fresh egg, as late as June 24, 1911, they must raise at least two broods each year. On April 14, 1911, C. B. Linton (7) noted a pair carrying nesting material into a crack under the eaves of a storehouse close to where sheep were being sheared, but like the mainland bird, the usual site chosen is a pocket in a boulder or cliff. A set of six incubated eggs collected by H. Gaylord from a crack in a clayey bank of a gully, May 22, 1897, average .8()x.64 inches. 179. Catherpes mexicanus conspersus Ridgway Canyon AVren Catherpes mexicanus conspersus (1) van Rosseni, Condor, xi, 1909, p. 208. On the Coronados, March 29, 1909, A. van Rossem {1) shot an adult male Catherpes which J. Grinnell pronounced C. m. polioptiJus, stating that it was 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 97 nearer consi^crsus than piouiidatits. This specimen is now in my collection, and is oven lighter than any examples of conspersus which I have. 180. Catherpes mexicanus punctulatus Ridgway Dotted Canyon Wren Catherpes mexicanus punctulatus {J) Linton, Condor, x, 1908, p. 128. (?) Willett, Pac. Coast Avif., 7, 1912, p. 101. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 157. C. B. Linton {!) shot one of these birds on Santa Cruz Island, December 19, 1907. 181. Thryomanes bewicki charienturus Oberholser San Diego Wren Thryothorus bewickii (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Thryomanes bevAckii spilurus (2) Blake, Auk, iv, 1887, p. 3.30. (3) Grinnell, Auk, xv, 1898, pp. 234, 236. (J) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 42. (.7) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 446. Thryothorus betvickii hairdi {(t) Townsend, Proc. U. S. Nat. Mus., xiii, 1890, p. 140. (7) Keeler, Zoe, i, 1891, p. 339. Thryomanes bewickii charienturus (8) Oberholser, Proc. IT. S. Nat. Mus., xxi, 1898, p. 435. (.9) Allen, Auk, xvi, 1899, p. 346. (10) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 233. (11) A. O. U. Committee, Auk, xviii. 1901, p. 307. (/.?) Ridgway, Birds North & Mid. Am., in, 1904, p. 561. Thryomanes bewickii nesophilus (13) Oberholser, Proc. U. S. Nat. Mus., xxi, 1898, p. 442. (1-',) Allen, Auk, xvi, 1899, p. 350. (15) Oberholser, Proc. U. S. Nat. Mus., xxii, 1900, p. 234. (16) A. O. U. Committee, Auk, xviii, 1901, p. 314. (77) Ridgway, Birds North & Mid. Am., in, 1904, p. 562. Vigors Wren (18) Grinnell, Bull. Cooper Orn. Club, i, 1899, p. 17. Thryomanes nesophilus (19) Grinnell, Pac. Coast Avif., 3, 1902, p. 69. (20) Linton, Con- dor, X, 1908, p. 128. Thryomanes bewicki charienturus (21) Richardson, Condor, x, 1908, p. 68. (22) A. O. U. Check-list, 3d ed., 1910, p. 339. (23) Howell and van Rossem, Condor, xiii, 1911, p. 210. Thryomanes bewicki catalinae (2Jf) Grinnell, Univ. Calif. Pub. Zool., v, 1910, p. 308. (2.7) Willett, Pac. Coast Avif., 7, 1912, p. 102. (26) Grinnell, Pac. Coast Avif., 8, 1912, p. 16. (27) A. O. U. Committee, Auk, xxix, 1912, p. 387. (28) Grinnell, Pac. Coast Avif., 11, 1915, p. 158. (29) Swarth, Proc. Calif. Acad. Sci., 4th Ser., vi, no. 4, 1916, p. 78. Thryomanes bewicki nesophilus (30) Grinnell, Univ. Calif. Pub. Zool., v, 1910, p. 308. (31) Willett, Pac. Coast Avif., 7, 1912, p. 102. (32) Grinnell, Pac. Coast Avif., 8, 1912, p. 17. (33) Wright and Snyder, Condor, xv, 1913, p. 92. (3-'i) Grinnell, Pac. Coast Avif., 11, 1915, p. 158. (3o) Swarth, Proc. Calif. Acad. Sci., 4th Ser. vi, no. 4, 1916, p. 78. Common resident of C'atalina, Santa Cniz and Santa Rosa islands. J. Grin- nell (24) described a subspecies from Catalina, the type being an adult male taken by him December 24, 1897. Its characters as given are : darker colora- tion dorsally than charienturus, with heavier bill and larger feet. From leuco- phrys it differs in being darker and less ashy, with more h(^a\'ily barred under- tail coverts. The differences are rather slight, although constant in all speci- mens wliicli I liave examined, and it was rejected by the A. 0. TT. Committee {27). 98 PACIFIC COAST AVIFAUNA No. 12 In habits the Catalina wren is very similar to that of the mainland, being met with in the dry, heavy brush and in the wooded canyon liottoms. The birds prefer to breed in the latter places, selecting a knot hole or crack in a tree trunk, and in such a situation, on April 11, 1911, I found a nest which held one fresh egg. The species has been ascribed to Santa Barbara and San Nicolas islands by J. G. Cooper (1) , but no one has since reported it from either place. Another subspecies, T. h. ncsophilus was described by H. C. Oberholser {13) from a bird taken on Santa Cruz Island by C. H. Townsend, February 7, 1889. From charientnrus it is said to differ in being darker and more rufescent above, and from spilurus in being lighter and grayer with a longer bill. H. S. Swarth {35) states that he finds birds from Santa Cruz Island most nearly like charien- turus. and that the difference is very slight indeed, specimens being practically indistinguishable from birds that occupy the intermediate coastal region between the ranges of cliari&nturus and spilurus. It is inferred that this applies also to the wrens of Santa Rosa Island. On Santa Cruz these wrens may be met with wherever fairly dense brush occurs. J. Mailliard {4) states that they have but one song, sounding different from that of their mainland cousins, who have several. In this locality during the latter part of April, 1011, A. van Rossem and I found a nest containing half groAvn young among the rafters of a small shack. 182. Thryomanes leucophrys (Anthony) San ClExMente AVren Thryotliorus bewickii (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Thryothorus bewickii bairdi (2) Townsend. Proc. U. S. Nat. Mus., xiii, 1890, p. 140. (3) Keeler, Zoe, i, 1891, p. 340. Thryothorus lexicophrys (.'/) Anthony, Auk, xii, 1895, p. 51. (.5) A. O. U. Committee, Auk, XII, 1895, p. 166. (6) Grinnell, Pasadena Acad. Sci., i, 1897, p. 21. (7) Davie, Nests and Eggs N. Am. Birds, 5th ed., 1898, p. 473. Thryomanes bewickii leucophrys (.S) Oberholser, Proc. U. S. Nat. Mus., xxi, 1898, p. 443. (9) Ridgway, Birds North & Mid. Am., ii, 1904, p. 563. (10) Mearns, Bull. U. S. Nat. Mus., r.vi, 1907, p. 141. Thryomanes leucophrys (77) Grinnell, Pac. Coast Avif., 3, 1902, p. 69. (12) Breninger, Auk, XXI, 1904, p. 221. (7.:?) Bailey, Handb. Birds West. U. S., 2d ed., 1904, p. 448. (l.'i) Reed, N. Am. Birds' Eggs, 1904, p. 316. (7-7) Linton, Condor, x, 1908, p. 86. (16) A. O. U. Check-list, 3d ed., 1910, p. 339. (77) Willett, Pac. Coast Avif., 7, 1912, p. 102. Tlhryomanesl. leucophrys (78) Coues, Key N. Am. Birds, 5th ed., 1903, p. 296. Thryomanes bewicki leucophrys (19) Grinnell, Univ. Calif. Pub. Zool., v, 1910, p. 308. (20) Grinnell, Pac. Coast Avif., 8, 1912, p. 16. (21) Grinnell, Pac. Coast Avif., 11, 1915, p. 158. (22) Swarth, Proc. Calif. Acad. Sci., 4th Ser., vi, no. 4, 1916, p. 79. Abundant resident of San Clemente Island. Originally described by A. W. Anthony (4). Differs from charienturus in coloration being grayer, under tail coverts less heavily barred, and wing and bill decidedly longer. These wrens are evenly distributed over San Clemente, frecpienting the densest thorn bushes and cactus patches, from the tops of which their loud clear song, differing but little from that of the mainland bird, is given. Before one is within good range of them they will casually hop down into the lower cactus, and it is very hard indeed 1017 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 99 to make them show themselves again. If it is in a low thorn bush that they dis- appear, no amount of trampling will bring a bird forth, 1)nt as soon as one steps off tlie ])nsh, out he pops and away to another one. I shot a ju venal with fully grown tail, April 2, 1915. and from then on the youngsters were not rare. The eggs have evidently never been discovered, but T l)elieve that the nest is invari- ably l)uilt in the center of a dense patch of cactus. AVhile I was trying to remove a dead bird from such a place, on iMarch 29, and smashing the cactus as I went, I uncovered an unfinished nest, probably pertaining to this species. It was wedged under and between cactus leaves some eight inches above the ground, a three inch ball formed of soft fiber, and with the entrance on one side. Two days later when I returned, some little lining had been added. l)ut tlie situation had been so disturbed that it was deserted before eggs were laid. 183. Trog:lod3rtes aedon parkmani Audu])on Western House Wrex J. Grinnell (MS) secured an immature male on Santa Cruz Island, Septem- ber 3, 1903. 184. Nannus hiemalis pacificus (Baird) Western Winter Wren Nannus hiemalis pacificus (/) Willett, Pac. Coast Avif., 7, 1912, p. 102. (.') Grinnell, Pac. Coast Avif., 11, 1915, p. 159. The single record is that of,a. female taken by C. B. Linton (1) on Santa Cruz Island, October 23, 1908. 185. Telmatodytes palustris paludicola (Baird) TuLE Wren On San Nicolas Island, during January, 1911, C. B. Linton (MS) found a pair of these birds about a spring. As he noted them at the same spot for sev- eral weeks, there is small chance that the identity was incorrect. ^lany speci- mens of marsh wrens taken in the lowlands of Los Angeles Count.v during the winter months, however, are referable to T. p. jilcsius, so it is not impossible that the birds which Linton observed were of the latter race. 186. Sitta canadensis Linnaeus Red-breasted Nuthatch Sitta canadensis (/) Howell and van Rossem, Condor, xiir, 1911, p. 210. (2) Willett, Pac. Coast Avif., 7, 1912, p. 104. (3) Grinnell, Pac. Coast Avif.. 11, 1915, p. 161. During four or five trijis to the wooded top of Santa Cruz Island during the latter part of April, 1911, A. van Rossem and I (1) saw a couple of dozen of these birds, and took six specimens. These average a very little smaller than birds from the mainland and the east, but are otherwise indistinguishable. On Alay 1 I watched an individual excavating a nesting site in a dead stub, so they evidently remain during the entire year. C. B. Linton (2) shot three October 3 and 4, 1908. 100 PACIFIC COAST AVIFAUNA No. 12 187. Psaltriparus minimus minimus (J. K. ToAvnsend) Coast Bush-tit Psaltria niinimus californicus (/) Mailliard, Bull. Cooper Orn. Club, i, 1899. p. 4.5. Psaltriparus mmimus minimus (2) Linton, Condor, x, 1908, p. 129. (.?) Swarth, Auk, XXXI, 1914, p. 499. (.'/) Grinnell, Pac. Coast Avif., 11, 1915, p. 16.5. Psaltriparus minimus californicus (5) Willett, Pac. Coast Avlf., 7, 1912, p. 105. (6) Wright and Snyder, Condor, xv, 1913, p. 92. Common resident of Santa Cruz Island, and occurs on Catalina. In the brushy oak timber and on the canyon sides of Santa Cruz, these tiny birds are often met with. During late April, 1911, A. van Rossem and I found them to be rather common. H. Wright and G. K. Snyder (6) noted a flock in the brush, July 7, 1912, and C. B. Linton (2) recorded several seen during November and December, 1907. G. Willett (MS) says he has seen quite a few in the western oak region of Catalina in the springs of 1904 and 1905. H. S. Swarth (.5), in his paper relating to this genus, reports conclusively that the island bird is vtinimus and not caUforvicus as some times recorded. 188. Regulus satrapa olivaceus Baird Western Golden-crowned Kinglet Regulus satrapa olivaceus (1) Willett, Pac. Coast Avif., 7, 1912, p. 105. (!) Grinnell, Pac. Coast Avif., 11, 1915, p. 167. C. B. Linton (1) shot a pair on Santa Cruz Island, October 21, 1908. 189. Regulus calendula calendula (Linnaeus) RUBY-CROW^NED KiNGLET Regulus calendula (1) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. (2) Grinnell, Auk, XV, 1898, p. 236. (3) Linton, Condor, x, 1908, p. 129. Regulus calendula calendula (J/) Willett, Pac. Coast. Avif., 7, 1912, p. 106. Probably a regular but fairly rare winter visitant to suitable localities. J. Grinnell (2) noted a very few of these birds on Catalina the last of December, 1897, and C. B. Linton (,5) found them rather common on Santa Cruz during November and December, 1907. 190. Polioptila caerulea obscura Ridgway Western Gnatcatcher Polioptila melanura (/) Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Polioptila caerulea ohscura (2) Linton, Condor, x, 1908, p. 129. (,3) Osburn, Condor, xi, 1909, p. 138. (-'/) Willett, Pac. Coast Avif., 7, 1912, p. 106. (5) Grinnell, Pac. Coast Avif., 11, 1915, p. 168. Rather rare on Catalina and Santa Cruz islands, but probably resident. G. Willett {MS) occasionally met with tliem on the western part of Catalina during March, 1905. The specimen, now in the Berkeley Museum of Vertebrate Zoology, which J. G. Cooper {!) took on Catalina in 1861, and which he labelled P. melan- ura, proves to be obscura. C. B. Linton and G. Willett (2) heard gnatcatchers several times on Santa Cruz Island in Noveml)er and December, 1907, and a male was secured October 21, 1908. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 101 191. Hylocichla ustulata ustulata (Nuttall) Russet-backed Thrush Turdus ustulatus (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 8. Hylocichla ustulata (2) Linton, Condor, x, 1908, p. 86. Hylocichla ustulata ustulata {3) Linton, Condor, x, 1908, p. 129. (J,) Willett, Pac. Coast Avif., 7, 1912, p. 107. (J) Grinnell, Pac. Coast Avif., 11, 1915, p. 169. Probably a fairly common transient. C. B. Linton (2) states that on San Clemente during October, 1907, these birds were common in the larger canyons. On Santa Barbara, J. Grinnell (1) saw three and secured a female, May 16, 1897. Linton (5) also shot one on Santa Cruz Island in the late fall of 1907. 192. Hylocichla guttata guttata (Pallas) Alaska Hermit Thrush Tardus aonalaschkae (1) Grinnell, Pasadena Acad. Sci., i, 1897, p. 21. (2) Grinnell, Auk, XV, 1898, p. 236. Hylocichla aonalaschkae (S) Mailliard, Bull. Cooper Orn. Club, i, 1899, p. 45. (7/) Ober- holser, Proc. U. S, Nat. Mus., xxii, 1900, p. 234. Hylocichla guttata (5) Mearns, Bull. U. S. Nat. Mus., lvi, 1907, p. 142. Visits the islands in small numbers during the winter. J. Grinnell (MS) took a female on San Clemente, March 28, 1897, and two males on Catalina, De- cember 24 and 28, respectively, of the same year. H. C. Oberholser (4) men- tions a typical female as having been taken by C. P. Streator on Catalina in April, 1892, and I shot a specimen on Santa Cruz Island, April 27, 1911. These are all the island specimens which I can locate. 193. Planesticus migratorius propinquus (Ridgway) Western Robin Planesticus migratorius propinquus (i) Dawson, Condor, xvii, 1915, p. 204. Casual on the islands. H. Linton told G. Willett {MS) that he had seen a robin on San Nicolas during the winter of 1912. While we were preparing breakfast on San Clemente, April 7, 1915, a single bird flew close above D. R. Dickey and myself, and lit on a rock a hundred yards away. By the time I had secured my gun it had disappeared. W. L. Dawson {!) noted a few on Santa Cruz Island during the first part of April, 1915. 194. Ixoreus naevius meriiloides (Swainson) Northern Varied Thrush Ixoreus naevius (1) Linton, Condor, x, 1908, p. 86. Ixoreus naevius meruloides (2) Willett, Pac. Coast Avif., 7, 1912, p. 109. (3) Grinnell, Pac. Coast Avif., 11, 1915, p. 172. Ixoreus naevius naevius (4) Dawson, Condor, xvii, 1915, p. 204. Visits the islands in limited numbers during the winter months. Several specimens were taken by C. B. Linton (i) on San C-lemente Island from January to April, 1907, and W. L. Dawson (4) noted a single bird, April 5, 1915, and another on the following day, on Santa Cruz. 102 PACIFIC COAST AVIFAUNA No. 12 195. Sialia mexicana occidentalis J. K. Townsend Western BiiUEBiRo Sialia mexicana occidentalis (1) Linton, Condor, xi, 1909, p. 194. (?) Willett, Pac. Coast Avif., 7, 1912, p. 109. Rare migrant. C. B. Linton (1) secured an adult male on San Clemente Island in December 1908, and 1 saw a single bird on Santa Barbara as late as May 1, 1908. HYPOTHETICAL LIST 1. Priocella glacialoides (A.Smith) Slender-billed Fulmar FuJmarus glacialoides Baird, Brewer and Ridgway, Water Birds N. Am., ii, 1884, p. 374. A skeleton was found on Catalina Island by J. G. Cooper, which he ascribed to this species. Systematic collecting off the islands should produce records of this bird, but the above instance of its occurrence is inconclusive. 2. Oceanites oceanicus (Kuhl) Wilson Petrel Oceanites oceanicus Cooper, Proc. Calif. Acad. Sci., iv, 1868, p. 11. J. Gr. Cooper saw a white-rumped petrel near San Nicolas Island in July, 1863, which he ascribed to this form. In all probability a case of mistaken iden- tity. 3. Marila af finis (Eyton) Lesser Scaup Duck Aythya affinis Linton, Condor, x, 1908, p. 83. On San Clemente Island during February, 1907, C. B. Linton saw several ducks which he believed to be of this species. I personally believe it very likely that the species is occasionally found about the islands, but as Linton himself is not at all sure of his identification of the birds seen, I have thought it best to relegate the record to the hypothetical list. 4. Branta canadensis, subsp. On Santa Cruz Island, April 25, 1911, a single goose of this group flew over A. van Rossem. He is of the opinion that it was B. c. hutchinsi, and it seems likely that such was the case. 5. Totanus flavipes (Gmelin) Yellowlegs ' C. C. Lamb informs me that while he and R. H. Beck were on the Coronados, April 11, 1908, the latter shot a yellowlegs which they believed was small enough 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 103 for this species, rather than the larger T. melanoleucus, but the present location of the specimen is unknown. 6. Micropallas whitneyi (J. G. Cooper) Elf Owl Microthene whitneyi ? Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. J. G. Cooper thought that he heard an owl one night on Santa Barbara Isl- and, and ascribed the sound to this species, provisionally. Its occurrence is ex- tremely improbable, 7. Geococcyx calif ornianus (Lesson) Road-runner Geococcyx californiantis Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. Grinnell, Con- dor, IX, 1907, p. 52. J. G. Cooper reported this bird from Catalina Island, but J. Grinnell, in his article on the California distribution of the species, states that he does not know of its occurrence on any of the islands. It is possible that during the sixties it occurred on Catalina and has since become extirpated, but as none has been re- ported since, it is safer to conclude that there was some mistake in regard to the first record. 8. Dryobates nuttalli (Gambel) NuTTALL Woodpecker Piciis nuttalli ? Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 77. J. G. Cooper listed this bird from Catalina, but mentions that he is uncer- tain in regard to it. 9. Zonotrichia leucophrys nuttalli Ridgway NuTTALL Sparrow Zonotrichia leucophrys nuttalli Dawson, Condor, xvii, 1915, p. 204. W. L. Dawson states that while on Santa Cruz Island during the middle of April, 1915, "individuals of this small dark type were seen at close range". This subspecies is too hard to distinguish in life for a sight record to be conclusive. 10. ProgTie subis hesperia Brewster Western Martin Progne purpurea ? Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Recorded provisionally from Catalina by J. G. Cooper. 11. Riparia riparia (Linnaeus) Bank Swallow Clivicola riparia Streator, Orn. & Ool., xiii, 1888, p. 54. Reported from San Miguel in 1886 by C. P. Streator. Although it is by no 104 PACIFIC COAST AVIFAUNA No. 12 means impossible that this species may occur upon tlie islands occasionally, the above unsubstantiated record is inconclusive. 12. Vireosylva gilva swainsoni (Baird) Western Warbling Vireo Vireosylva gilva swainsoni Dawson, Condor, xvii, 1915, p. 204. W. L. Dawson states that he heard one of these birds on Santa Cruz during the morning of April 4, 1915. This identification is too uncertain to stand as a record. 13. Hylocichla g-uttata nanus (Audubon) Dwarf Hermit Thrush T Urdus nanus Cooper, Proc. Calif. Acad. Sci., iv, 1870, p. 78. Hylocichla guttata nana Richardson, Condor, x, 1908, p. 68. Linton, Condor, x, 1908, p. 86. Linton, Condor, x, 1908, p. 129. Hylocichla guttata nanus Willett, Pac. Coast Avif., 7, 1912, p. 108. It is with considerable hesitation that I place this subspecies in the hypo- thetical list. The presence of nanus upon the islands in winter is to be expected, and there are several records of its occurrence, ])ut I can learn of no definitely identified specimens ever having been taken, and so must include the form con- ditionally. TABULATION OF SPECIES BY ISLANDS To facilitate comparison of the avifauna of the several islands, I have pre- pared the following table. Although there are many species which certainly oc- cur on all the islands, though recorded from but a few, I have not taken this fact into account, having marked with an asterisk (*) only those birds which have been definitely reported from the several islands. 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 105 '6 m o -o cS a o ^^ O o m o a> C s 5 m -d o o z m •d cS H O +-> d m '6 e8 u pa aJ d -d ca « el 2 IS] O s a -d 03 o K m •6 CI ea 73 1 Aechmophorus occidentalis * * * * if 2. Colymbus auritus 3 Colymbus n. californicus * * * * 4 Podilymbus podiceps 5. Gavia immer * * * * * * * * fi Gavia pacifica * * 7. Gavia stellata 8 Lunda cirrhata * * * * * * * * * * * 9 Cerorhinca monocerata * * * * * * in Ptychoramphus aleuticus * 11 Synthliboramphus antiquus i;^ Brachyramphus hypoleucus * * * i;^ Brachyramphiis craveri 14 Cepphus columba . * * * * * * * 15 Uria t. californica * 1R Rissa t. pollicaris * 17. Larus glaucescens * * * * * * * * * * * 4: * 18 Lams occidentalis * * * * * 19. Larus argentatus 20. Larus californicus 21, Larus delawarensis * * * 22. Larus brachyrhynchus 23 Larus heermanni * * * * * * * * * 24. Larus Philadelphia 25. Xema sabini * * * ■* 26 Sterna maxima * « * * * * * * 27 Sterna forsteri 28, Diomedea nigripes * * * * * * * * * * 29. Diomedea albatrus 30. Fulmarus g. glupischa * * * * * * 31 Puffinus creatopus * * * * 32. Puffinus opisthomelas 33 Puffinus griseus * « * * * * 34. Oceanodroma kaedingi 35. Oceanodroma melania * 1 * * 36. Oceanodroma homochroa * * * 37. Oceanodroma socorroensis * * * * * * 38. Phalacrocorax a. albociliatus * * * * * * * * * * * * * * * * * * * * * * * * * * 39. Phalacrocorax penicillatus * 40. Phalacrocorax p. resplendens * 41. Pelecanus californicus * 42. Fregata aquila 43. Mergus serrator * * * 44. Dafila acuta 45, Oidemia americana * * * 46. Oidemia deglandi * * * * * * * * 47, Oidemia perspicillata * * * 48, Chen h. hyperboreus 49. Anser a. gambeli * * 50, Ardea h. herodias * * * * 51. Butorides v. anthonyi j 52. Nycticorax n. naevius * * 1 53. Porzana Carolina 1 54. Fulica americana * * 1 55. Phalaropus fulicarius * * * * 56. Lobipes lobatus 1 106 PACIFIC COAST AVIFAUNA No. 12 a 57. Recurvirostra americana 58. Himantopus mexicanus 59. Macrorhamphus g. scolopaceus 60. Pisobia bairdi 61. Pisobia minutilla 62. Ereunetes mauri 63. Calidris leucophaea 64. Totanus melanoleucus 63. lielodromas s. cinnamomeus ... 66. Catoptrophorus s. inornatus 67. Heteractitis incanus 68. Actitis macularia 69. Numenius hudsonicus 70. Squatarola squatarola 71. Oxyechus vociferus 72. Aeglalitis semipalmata 73. Aegialitis nivosa 74. Podasocys montanus 75. Apliriza virgata 76. Arenaria i. morinella 77. Arenaria melanocephala 78. Haematopus frazari 79. Haematopus bachmani 80. Lophortyx c. vallicola 81. Zenaidura m. marginella 82. Circus hudsonius 83. Accipiter velox 84. Accipiter cooperi 85. Buteo borealis calurus 86. Buteo swainsoni 87. Haliseetus 1. leucocephalus 88. Falco mexicanus 89. Falco p, anatum 90. Falco c. columbarius 91. Falco s. phalaena 92. Pandion h. carolinensis 93. Aluco pratincola 94. Asio wilsonianus 95. Asio flammeus 96. Bubo V. pacificus 97. Speotyto c. hypogaea 98. Ceryle alcyon 99. Sphyrapicus r. ruber 100. Asyndesmus lewisi 101. Colaptes c. coUaris 102. Phalaenoptilus n. californicus .. 103. Chordeiles a. texensis 104. Chaetura vauxi 105.' Aeronautes melanoleucus 106. Calypte costae 107. Calypte anna 108. Selasphorus alleni 109. Tyrannus verticalis 110. Tyrannus vociferans 111. Myiarchus c. cinerascens 112. Sayornis sayus I * I 1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 107 \ ■6 m o a o (l o u cc o 01 a a OJ O c '6 o y Z a ■6 a a U c -d d u cS ' u cS m C CO 2 ft c(3 « C < -d P u XJ CS CO o PC! B c5 m XJ Hi 3 Ml i en 113. Sayornis nigricans * * * * * * * * if 114. Myiochanes r. richardsoni * 115. Empidonax d. difficilis * 116. Empidonax t. trailli i|: 117. Empidonax hammondi * * * * •> * 118. Otocoris a. insularis * * * * * * 119. Aphelocoma insularis 120. Corvus c. sinuatus * * * * * * * * * 121. Molotlarus a. obscurus 122. Xantlaoceplialus xanthocephalus * * t 123. Sturnella neglecta . * * * * * * * 124. Icterus c. nelsoni 125. Icterus bullocki * * * * * 126. Euphagus carolinus 127. Euphagus cyanocephalus * * * 128. Carpodacus p. californicus * * * * * * * * * 129. Carpodacus m. dementis * * * * * * * * 130. Loxia c. Strickland! . 131. Passer domesticus * 132. Astragalinus p. hesperophilus * * 133. Astragalinus lawrencei 134. Spinus pinus 135. Passerculus s. alaudinus * * 136. Chondestes g. strigatus 137. Zonotrichia querula * 138. Zonotrichia 1. gambeli * * * * He * * * * * * * * 139. Zonotrichia coronata 140. Spizella p. arizonae * 141. Spizella atrogularis 1 142. Junco h. thurberi * * * 143. Amphispiza belli * 1 * 1 * 144. Aimophila r. ruficeps * 9 * 145. Melospiza m. graminea 1 * 146. Melospiza m. clementae * 1 * * * 147. Melospiza 1. lincolni 1 * * * . ..1 * * * * * 148. Passerella i. unalaschcensis 149. Passerella i. megarhyncha * * 150. Passerella i. stephensi 151. Passerella i. insularis * * * 152. Pipilo m. oregonus 153. Pipilo m. clementae 154. Pipilo m. megalonyx ? 155. Zamelodia melanocephala * 9 * * * * * * L 156. Guiraca c. lazula 157. Passerina amoena * 158. Piranga ludoviciana 1 * * ____ 159. Piranga r. cooperi 1 | * 1 160. Hirundo erythrogastra * 1 * 1 1 * 1 * 1 * * * i 161. Tachycineta t. lepida 162. Bombycilla cedrorum j [ * 1 1 * * * * * 163. Lanius 1. anthonyi 1 1 * 164. Vireo h. huttoni * * ? 1 * 1 * 165. Vermivora c. celata 1 166. Vermivora c. sordida | * 167. Dendroica coronata 1 * 1 * 1 1 * |..Zj 9 * * * * 108 PACIFIC COAST AVIFAUNA No. 12 O 168. 169. 170. 171. 172. 173. 174. 175. 176. 177. 178. 179. 180. 181. 182. 183. 184. 185. 186. 187. 188. 189. 190. 191. 192. 193. 194. 195. Dendroica auduboni Dendroica magnolia '. Dendroica nigrescens Dendroica townsendi Dendroica occidentalis Geothlypis t. arizela Wilsonia p. pileolata Antlius rubescens Mimus p. leucopterus Salpinctes o. obsoletus Salpinctes o. pulverius Catherpes m. conspersus Catherpes m. punctulatus ... Thryomanes b. charienturus Thryomanes leucophrys Troglodytes a. parkmani Nannus h. pacificus Telmatodytes p. paludicola . Sitta canadensis Psaltriparus m. minimus Regulus s. olivaceus Regulus c. calendula Polioptila c. obscura Hylocichla u. ustulata Hylocichla g. guttata Planesticus m. propinquus . Ixoreus n. meruloides Sialia m. occidentalis These one hundred and ninety-five species and subspecies have been report- ed from the several islands as shown in the following table. The first column of figures gives the total number of forms accredited to each island ; the second, the number of these which have been reported on doubtful grounds. Total number of forms Los Coronados 58 San Clemente 114 San Nicolas Santa Catalina Santa Barbara Anacapa Santa Cruz Santa Rosa -■- San Miguel Santa Cruz Island has more birds reported from it than the other islands, both because its character is the most diversified, and because it has been rather thoroughly worked for a number of weeks at a time during all parts of the year, by several competent ornithologists. The latter reason is also the main one for San Clemente showing up so well numerically. This island is comparatively bar- ren, with few trees, and there are not a great number of resident species, but it 51 93 4S 39 141 21 35 Doubtful 1 2 1 4 5 1 2 1017 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 109 seems to he in a good line of migration. Santa Catalina is much more diversi- fied than the last, in fact it is next to Santa Cruz in this respect, and if much systematic work were done iipon it, I helieve that it would surpass San Clemente in the number of species in its avifauna. It is the most often visited of the isl- ands, and many ornithologists of note have collected there, but usually their vis- its have been limited to several days. The Coronados fall fourth in this list, rather surprising for such small barren spots, but then they ari^ many times more often visited than any other of the smaller islands. It is to be expected that not so many forms occur on San Nicolas, as it is rather barren and well out to sea. Tlie avifauna of Santa Barbara Island is of rpiite respectable size. It has a good list of water birds, and although there has not been a great deal of work done tlun-e for any period of time, it seems to be a favorite resting place for the few snuill land migrants that pass that way. There has been less systematic work done on Anacapa, but it is much more often visited for periods of several days at a time. The number of species recorded from both San ^liguel and Santa Rosa are very small for the size of the islands, but neither is especially attractive to bird life. Then, too, there has not been much work done on San IMiguel and less on Santa Rosa, where it is difficult to get a permit to stay on the island. Tabulation of Species by Manner of Occurrence In preparing a table of seasonal occurrence of the different birds, I have l)een obliged to use my own judgment to a certain extent. That is, when there are but a couple of records for a species during the winter, it is hard to tell for a surety whether it occurs regularly during that time of year, or should be classed as a casual visitant. In such case I have had to consider the conditions under which the record was made, the abundance of the species upon the mainland during the same season, and several other factors. It will therefore be seen that the tables are only approximately correct, but as nearly so as it is possible for me to make them under the circumstances. RESIDENTS 1. Lunda cirrhata 19. Accipiter cooperi 2. Ptychoramphus aleuticus 20. Buteo borealis calurus 3. Brachyramphus hypoleucus 21. Haliaeetus leucocephalus leucocepha- 4. Cepphus columba lus 5. Uria troille californica 22. Faico peregrinus anatum 6. Larus occidentalis 23. FaIco sparverius phalaena 7. Oceanodroma melania 24. Pandion haliaetus carolinensis 8. Oceanodroma homochroa 25. Aluco pratincola 9. Oceanodroma socorroensis 26. Asio wilsonianus 10. Phalacrocorax auritus albociliatus 27. Speotyto cunicularia hypogaea 11. Phalacrocorax penicillatus 28. Colaptes cafer collaris 12. Phalacrocorax pelagicus resplendens 29. Calypte anna 13. Pelecanus californicus 30. Selasphorus alleni 14. Ardea herodias herodias 31. Sayornis nigricans 15. Aegialitis nivosa 32. Otocoris alpestris insularis 16. Haematopus bachmani 33. Aphelocoma insularis 17. Lophortyx californica vallicola 34. Corvus corax sinuatus IS. Zenaidura macroura marginalia 35. Sturnella neglecta no PACIFIC COAST AVIFAUNA No. 12 36. Carpodacus mexicanus dementis 47. 37. Loxia curvirostra Strickland! 48. 38. Astragalinus psaltria hesperophilus 49. 39. Astragalinus lawrencei 50. 40. Spizella passerina arizonae 51. 41. Amphispiza belli 52. 42. Aimophila ruficeps ruficeps 53. 43. Melospiza melodia graminea 54. 44. Melospiza melodia clementae 55. 45. Pipilo maculatus clementae 56. 46. Pipilo maculatus megalonyx Lanius ludovicianus anthonyi Vireo huttoni huttoni Vermivora celata sordida Mimus polyglottos leucopterus Salpinctes obsoletus obsoletus Salpinctes obsoletus pulverius Thryomanes bewicki charienturus Thryomanes leucophrys Sitta canadensis Psaltriparus minimus minimus The above is a list of species that are supposed to be foimd on the islands thronghout the year, and to breed there. Vermivora c. sordida, however, is only partly resident, as a great many individuals migrate to the adjacent mainland for the winter. 0. socorrocnsis is probably resident, but this is not absolutely cer- tain. In addition to the above, there is the following list of birds which, although breeding, some to the north, and some to the south of the region treated, and common only when not engaged in the rearing of young in other localities, may nevertheless be encountered upon the islands during all parts of the year. 1. Larus heermanni 2. Sterna maxima 3. Diomedea nigripes 4. Diomedea albatrus 5. Puffinus griseus 6. Heteractitis incanus 7. Actitis macularia 8. Arenaria melanocephala WINTER VISITANTS 1. Aechmophorus occidentalis 26. 2. Colymbus auritus 27. 3. Colymbus nigricollis californicus 28. 4. Podilymbus podiceps 29. 5. Gavia immer 30. 6. Gavia pacifica 31. 7. Gavia stellata 32. 8. Cerorhinca monocerata 33. 9. Synthliboramphus antiquus 34. 10. Rissa tridactyla pollicaris 35. 11. Larus glaucescens 36. 12. Larus argentatus 37. 13. Larus californicus 38. 14. Larus delawarensis 39. 15. Larus brachyrhynchus 40. 16. Sterna forsteri 41. 17. Fulmarus glacialis glupischa 42. 18. Puffinus creatopus 43. 19. Puffinus opisthomelas 44. 20. Oceanodroma kaedingi 45. 21. Mergus serrator 46. 22. Oidemia americana 47. 23. Oidemia deglandi 48. 24. Oidemia perspicillata 49.- 25. Chen hyperboreus hyperboreus 50. Anser albifrons gambeli Calidris leucophaea Oxyechus vociferus Podasocys montanus Accipiter velox Falco columbarius columbarius Ceryle alcyon Sphyrapicus ruber ruber Sayornis sayus Passerculus sandwichensis alaudinus Zonotrichia leucophrys gambeli ■ Zonotrichia coronata Junco hyemalis thurberi Passerella iliaca unalaschcensis Passerella iliaca megarhyncha Passerella iliaca Stephens! Passerella iliaca insularis Bombycilla cedrorum Dendroica coronata Dendroica auduboni auduboni Anthus rubescens Regulus calendula calendula Hylocichla guttata guttata Planesticus migratorius propinquus Ixoreus naevius meruloides 101' BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 111 Witli tlie above I have included all those birds which coiiic to us after breed- ing, even though some of them reach us in the middle of the summer months. SUMMER VISITANTS 1. Chordeiles acutlpennis texensis 4. Empidonax difficilis difficilis 2. Aeronautes melanoleucus 5. Icterus cucullatus nelsoni 3. Calypte costae 6. Hirundo erythrogastra Of this list, I deem it extremely improbable that Chordeiles a. te.rensis is a regular breeder in the region; a few individuals of Aeronautes melanoleucus may possibly spend the winter. TRANSIENTS 9. 10. 11. 12. Xema sabini 13. Phalaropus fulicarius 14. Lobipes lobatus 15. Pisobia minutilla 16. Ereunetes mauri 17. Helodromas solitarius cinnamomeus 18. Catoptrophorus semipalmatus inorna- 19. tus 20. Numenius hudsonicus 21. Squatarola squatarola 22. Aegialitis semipalmata 23. Aphriza virgata 24. Arenaria interpres morinella 25. Phalaenoptilus nuttalli californicus Chaetura vauxi Tyrannus verticalis Tyrannus vociferans Myiochanes richardsoni richardsoni Icterus bullocki Zamelodia melanocephala Passerina amoena Piranga ludoviciana Dendroica townsendi Wilsonia pusilla pileolata Hylocichla ustulata ustulata Sialia mexicana occidentalis Under "Transient" I have put all migrants which one might .judge shouki Occur with any degree of regularity, though with some of them it is a question whether it would not be better to label them "Casual". CASUAL VISITANTS 1. Brachyramphus craveri 23. 2. FVegata aquila 24. 3. Dafila acuta 25. 4. Butorides virescens anthonyi 26. 5. Nycticorax nycticorax naevius 27. 6. Porzana Carolina 28. 7. Fulica americana 29. 8. Recurvirostra americana 30. 9. Himantopus mexicanus 31. 10. Macrorhamphus griseus scolopaceus 32. 11. Pisobia bairdi 33. 12. Totanus melanoleucus 34. 13. Haematopus frazari 35. 14. Circus hudsonius 36. 15. Falco mexicanus 37. 16. Asio flammeus 38. 17. Asyndesmus lewisi 39. 18. Myiarchus cinerascens cinerascens 40. 19. Empidonax trailli trailli 41. 20. Empidonax hammondi 42. 21. Molothrus ater obscurus 43. 22. Xanthocephalus xanthocephalus 44. Euphagus carolinus Euphagus cyanocephalus Carpodacus purpureus californicus Passer domesticus Spinus pinus Zonotrichia querula Spizella atrogularis Pipilo maculatus oregonus Guiraca caerulea lazula Piranga rubra cooperi Tachycineta thalassina lepida Vermivora celata celata Dendroica magnolia Dendroica nigrescens Dendroica occidentalis Geothlypis trichas arizela Catherpes mexicanus conspersus Catherpes mexicanus punctulatus Troglodytes aedon parkmani Nannus hiemalis pacificus Telmatodytes palustris paludicola Regulus satrapa olivaceus 112 PACIFIC COAST AVIFAUNA No. 12 These are birds which are rare even on the mainland, or which at the pres- ent time cannot be classed as regular migrants to the islands, although in the fu- ture some of them may be found to pass through tlie region in considerable num- bers. There are three birds which I am unable to place. Buteo swainsoni may be (.'ither a rare summer visitant of one or two of the islands, or else a migrant from the coast. Buho virginianus pacificus may be a rare resident of Santa Cruz, or else, what seems more likely, an accidental visitant. The latter term may also apply to Chondcstes grammacus strigafus, although it is by no means improbable that this sparrow is a resident in small numbers. BIBLIOGRAPHY List of publications relating to the ornithology of the islands off southern California. 1864. Coues, E. A critical Review of the Family Procellaridae: Part ii; embracing the Puffineae.