BIEDS OF XOETH AND MIDDLE AMERICA. 



741 



Adult 7nale.~Wmg, 161-180 (173.6); tail, 46-52 (49.3); oxposed 

 culmen, 30-33.5 (31.7); tarsus, 31-34.5 (32.5); middlo toe, 36.5-42.5 

 (39.3). « 



Adult female.— Wing, 166-181 (177.5); tail, 44.5-49.5 (47.3); 

 exposed culmen, 29.5-34.5 (32.8); tarsus, 32-35 (33.1); middle toe, 

 37.5-42 (39.9).^ 



Coasts and islands of Bering Sea, adjacent portion of Arctic Ocean 

 (mainland east of Koliutsohin Bay, Siberia; Wrangel Island; Herald 

 Island), southward along Pacific coast of North America to southern 

 California (Santa Barbara Islands, resident and breeding), and on 

 Asiatic side to coast of Kamchatka (Commander Islands, breeding) ;'= 

 southward in winter to Lower California (Point Sandoval; San 

 Nicolas Island). 



[Uria grylle] Latham, Index Orn., ii, 1790, 797 (Unalaska Island, Alaska). 



[Uria grylle] E Latham, Index Orn., ii, 1790, 798 (Kamchatka). 



Cepphus columba Pallas, Zoogr. Rosso- Asiat., ii, 1826, 348, part (Kamchatka 

 and Bering Straits). — Newton, Ibis, 1865, 519 (Spitzbergen). — Stejnegee, 

 Proc. U. S. Nat. Mus., vii, 1884, 229 (crit., synonymy, etc.); x, 1887, 118 

 (Commander Islands); Bull. U. S. Nat. Mus., no. 29, 1885, 21 (Commander 

 Islands; habits, etc.). — Baird, Brewer, and Ridgway, "\^'ater Birds N. Am., 

 ii, 1884, 494.— Turner, Auk, ii, 1885, 1.59 (Attn Island, Aleutian chain, 

 breeding); Contr. N. H. Alaska, 1886, 121 (St. Michael; Cape Newenham; 

 Aleutian Islands; etc.; habits). — American Ornithologists' Union, Check 

 List, 188G, and 2d ed., 1895, no. 29; 3d ed., 1910, p. .-^l.— Evermann, Auk,. 

 iii, 1886, 88 (Santa Barbara Islands, California, breeding). — Nelson, Rep. 

 N. H. Coll. Alaska, 1887, 44 (Sitka; Kodiak; Shumagins; Aleutians; etc.; 

 habits).— To wnsend, Cruise 'Corwin' in 1885(]887),'98 (Unalaska).— Bryant 

 (W. E.), Proc. Calif. Ac. Sci., 2d ser., i, 1888, 30 (Farallon Islands, breeding; 



o Eleven specimens. 



b Fourteen specimens. 



I.oealitv. 



MAI.KS. 



One adult male from California 



Two adult males from Washington 



Six adult males from Alaska (Aleutian and Shamagin Islands) 

 Two adult males from Siberia (Emma Harbor) 



FEMALES. 



Three adult females from California 



Three adult females from Washington 



Four adult females from Alaska (Aleutian and Shumagin 



Islands; , 



Four adult females from Siberia (Emma Harbor) 



Winu 



177.5 

 17.^2 

 171. :'. 

 179 



177.7 

 170.7 



174.4 

 17S 



Tail. 



oO 



50.5 

 47. S 

 .-.2. 2 



47.? 

 45.5 



48.5 

 47.1 



Ex- 

 posed 

 culmen 



3.3.5 

 31 



32.1 

 30.2 



33.7 

 33. 3 



33.5 

 31 



Tarsu.^ 



33. 5 

 32.5 

 32.1 

 33.2 



33.8 

 .33. 7 



33.2 

 32.1 



Middle 

 toe. 



42.5 

 36.5 

 39.4 

 40 



39.8 

 39.7 



40 

 39.9 



<- The A. O. U. Check List (third edition, 1910) includes northern Japan in the 

 Asiatic range of the species; but citations of C. columba from all localities south of 

 Kamchatka apparently all belong to C. snoivi (see p. 733). 



