142 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
habits; descr. nest and eggs).—Taczanowsxt, Mém. Ac. St. Petersh., xxxix, 
1893, 1222 (e. Siberia).—Loomis, Proc. Calif. Ac. Sci., 2d ser., vi, 1896, 19 
(California).—Grinnewt, Auk, xv, 1898, 124 (Sitka); Pub. 1, Padasena Ac. 
Sci., 1897, 23 (Santa Barbara Islands, California, breeding; habits); Pub. 2, 
1898, 6 (Santa Barbara Islands, resident); Pacific Coast Avif., no. 11, 1915, 
19 (breeding from Point Reyes to Santa Barbara Islands).—SEauz, Proc. 
Ac. Nat. Sci. Phila., 1898, 129 (Kings Island, Alaska).—PatmeEr (W.), Avif. 
Pribilof Islands, 1899, 389 (rare, possibly breeding).—Ray, Auk, xxi, 1904, 430 
(Farallon Islands; habits, etc.).—Linron, Condor, x, 1908, 125 (Santa Cruz 
Island, California; breeding?).—Ciark (A. H.), Proc. U. S. Nat. Mus., 
XXxvili, 1910, 33 (Unalaska, Agattu, and Attu islands, Aleutians; near 
Bogoslov Island; Commander Islands; etc.): THAYER and Banas, Proc. New 
Engl. Zool. Club, v, 1914, 9 (Arctic coast of Siberia east of Koliutschin Bay; 
Diomede Island, June 4).—Brooxs (W. S.}, Bull. Mus. Comp. Zool., lix, 
1915. 370 (Bering Sea; Copper Island; Cape Shipunski and Hast Cape, 
Siberia). 
Clepphus] columba Ripaway, Man. N. Am. Birds, 1887, 17. 
Uria columba Keyseruine and Buasius, Wirb. Eur., 1840, p. xcii—Cassin, 
Rep. U. 8S. Expl. Exped. (Wilkes), Orn., 1858, 346, pl. 38, fig. 1; in Baird, 
Rep. Pacific R. R. Surv., ix, 1858, 912; ed. 1860 (Birds N. Am.), Atlas, pl. 
96, fig. 1; Proc. Ac. Nat. Sci. Phila., 1862, 323 (Bering Straits).—Bamrp, 
Cat. N. Am. Birds, 1859, no. 727.—Hrrermann, Rep. Pacific R. R. Surv., 
x, pt. iv, no. 2, 1859, 76 (Farallon Islands).—CoorEr and Sucker, Rep. 
Pacific R. R. Surv., xii, pt. ii, 1860, 285 (Puget Sound; habits).—Coves, 
Proc. Ac. Nat. Sci. Phila., 1868, 72, fig. 14 (monogr.); Check List, 1873, no. 
632; 2d ed., 1882, no. 872.—Da.u and BANNISTER, Trans. Chicago Ac. Sci., 
i, 1869, 309 (Sitka; Kodiak).—Branpt, Mélang. Biol., vii, 1869, 207.— 
Finscu, Abh. Nat. Ver. Bremen, -iii, 1872, 78 (Alexandrovsk, e. Siberia).— 
Daut, Proc. Calif. Ac. Sci., v, 1873, 35 (Shumagins, breeding); v, 1874, 279 
(Attu Is. to the Shumagins).—Barrows, Proc. Bost. Soc. N. H., xix, 1877, 
159 (monogr.).—TaczanowskI, Bull. Soc. Zool. France, ii, 1877, 51 (Kam- 
chatka); v[i, 1883, 398 (Bering Island).—Bran, Proc. U. S. Nat. Mus., v, 
1882, 172 (Sitka) —Nexson, Cruise ‘Corwin,’ in 1881 (1883), 117 (Aleutian 
Islands to Wrangeland Herald islands; Diomede islands; Cape Serdze, Kamen 
and East Cape, n. e. Siberia) —Hartiavs, Journ. fiir Orn., 1883, 285 (Portage 
Bay, Alaska).—Strsnecer, Proc. U. S. Nat. Mus., vii, 1884, 225 (geogr. 
range).—DygBowskr and TaczanowskI, Bull. Soc. Zool. France, ix, 1884, 
147.—PatmEN, Vega-Exped., v, 1887, 391 (Port Clarence, Kodiak, Sitka, 
etc., Alaska).—Grant, Cat. Birds Brit. Mus., xxvi, 1898, 586. 
[ Uria] columba Gray, Hand-list, iii, 1871, 101, no. 10818.—Cours, Key N. Am. 
Birds, 1872, 345.—D’Hamonvie, Cat. Ois. Eur., 1876, 70, part (North 
Pacific) —Forsrs and Rosinson, Bull. Liverp. Mus., ii, no. 2, 1899, 52 
(Alaska; Kamchatka). 
U[ria] columba Couns, Key N. Am. Birds, 2d ed., 1884, 815. 
[Pseuduria] columba Suarpz, Hand-list, i, 1899, 181. 
Uria grylle (not Alca grylle Linneus) Krrrurrz, Isis, 1832, 1105; Denkw. Reise, 
i, 1858, 273, 291; ii, 1858, 221. 
CEPPHUS MOTZFELDI (Benicken). 
BLACK-WINGED GUILLEMOT. 
_ Similar to C. carbo, but without any white or pale gray on side 
of head. 
Adult in summer.—Entire plumage, including whole of wing- 
coverts, plain dark sooty brown or fuscous, the abdomen somewhat 
