28 PACIFIC COAST AVIFAUNA No. 11 
Baird, Brewer and Ridgway, Water Bds. N. Amer., 11, 1884, p. 375). According 
to Beck (Proce. Calif. Acad. Sci., 4th ser., m1, 1910, p. 66), the specimen is still 
extant, being in the American Museum of Natural History. 
55 (105) Oceanodroma furcata (Gmelin) 
FORK-TAILED PETREL 
Status—Irregular, late summer, fall and winter visitant on the ocean north- 
erly: Humboldt Bay (T. S. Palmer, Proce. Calif. Acad. Scei., 2nd ser., m, 1889, p. 
88); Monterey Bay (Loomis, Proce. Calif. Acad. Sci., 2nd ser., vi, 1896, p. 28; 
Beck, Proce. Calif. Acad. Sei., 4th ser., m1, 1910, p. 66) ; San Pedro (J. G. Cooper, 
Proe. Calif. Acad. Sci., 1v, 1868, p. 10). The specimen upon which the latter, 
our southernmost, record rests is in Mus. Vert. Zool. (no. 4470). 
56 (105.2) Oceanodroma kaedingi Anthony 
KAEDING PETREL 
Synonyms—Oceanodroma leucorhoa; Cymochorea leucorhoa; Oceanites 
oceanicus, part; Thalassidroma leachi; Oceanodroma beldingi; Leach Petrel; 
Belding Petrel. 
Status—Fairly common resident on the ocean along our whole seacoast; 
many records under different names. There may be two or more forms included 
here, but the status of this group of petrels is not satisfactorily worked out. Re- 
corded as breeding on the coast of Mendocino County (Dall, Proce. Calif. Acad. 
Sei., v, 1874, p. 278), and on the Farallon Islands (Loomis. Proc. Calif. Acad. 
Scei., 2nd ser., vi, 1896, p. 359) ; also breeds on a small island near Trinidad, 
Humboldt County (Mus. Vert. Zool.). 
57 (108.1) Oceanodroma socorroensis Townsend 
Socorro PETREL 
Status—Fairly common in summer on the ocean off San Diego (Anthony, 
Auk, xit, 1895, p. 387). Breeds regularly on Los Coronados Islands but a few 
miles south of the Mexican boundary. 
58 (108) Oceanodroma homochroa (Coues) 
AsHyY PETREL 
Synonyms—Cymochorea homochroa; Coues Petrel. 
Status—Fairly common summer visitant off central California. Breeds 
commonly on the Farallon Islands (many records) ; also one breeding record for 
San Miguel Island (Henshaw, Rep. Wheeler Sury., 1876, p. 277), and two for 
Santa Cruz Island (H. Wright and G. K. Snyder, Condor, xv, 1913, pp. 88, 89; 
H. Wright, Condor, xv, 1913, p. 229). There are two specimens in Mus. Vert. 
Zool. (nos. 6167, 6168) secured by L. H. Miller at sea near San Clemente Island, 
April 8, 1904, and near Santa Barbara Island, April 10, 1904, respectively. Not 
recorded south of the latter points, nor north of the Farallones save for a bird 
picked up dead on a beach near Point Reyes (J. and J. W. Mailliard, MS). 
Casual in November on San Francisco Bay near Redwood City (Littlejohn, 
