T7RIA. — CEPPHTTS. 



169 



Alca brueunichi, Dresser, Birds Eur. viii. p. 575 (1877) ; Seehohm, Eggs 



_ of Brit. Birds, p. 94, pi. 26. figs. 5, 6 (1896). 

 Uria lomvia lomvia, Baird, Brewer 8e Ridgw. Water Birds N. Am. ii. 



p. 486 (1884). 

 Alca troile brunnichi, Seebohm, Brit. Birds, iii. p. 388, pis. 43, 44 (1885). 



The eggs of Briinnich's Guillemot resemble those of U. troile, but 

 are perhaps, on the whole, less boldly marked. They vary-in size 

 from 2-95 to 3-5 in length, and from ] -8 to 2-15 in breadth. 



Uria arra (Pall.). 



Uria lomvia arra, Baird, Brewer 8^ Ridgw. Water Birds N. Am. ii. 



. p. 485 (1884) ; Nelson, RepoH Nat. Hist. Alaska, p. 45 (1887). 

 Alca troile arra, Seebohm, Brit. Birds, iii. p. 888 (1885). 

 Alca troile, Seebohm, Birds Japan. Emp. p. 273, part. (1890). 

 Uria lomvia. Grant, Cat. Birds B. M. xxvi. p. 577, part. (1898). 

 Uria arra, Sharpe, H.and-1. i. p. 131 (1899). 



The eggs of the Thick- billed Guillemot resemble those of JJ. iroile 

 and JJ. lomvia, but, taken as a whole, they appear to be characterized 

 by the paucity of their markings. 



2. Japan (S. Pryei). 

 4. Kurile Islands, Japan (H. J. Snow). 

 11. Commander Islands. 



6. St. George's Island, Bering Sea, 

 27th June (R. W. Elliott: 

 Henshaio Coll.). 



2. St. Michael's, Alaska, 30th Aug. 

 (Henshaw Coll.). 



Seebohm Coll. 

 Seebohm Coll. 

 G. E. H. Bairett-Hamilton, 



Esq.TP.]. ■ 

 Salvin-Godman Coll. 



Salvin-Godman Coll. 



Genus CEPPHUS, Fall. 



, Cepphus grylle (Linn.). 



Uria giylle, Thien. Forlpflanz. ges. ¥og. tab. iiic. fig. 1, a-e (1846-54) ; 

 Jiewitsmi, Eggs of Brit. Birds, ii. p. 462, pi. cxxvi. (1856) ; Dresser, 

 Birds Eur. viii. p. 681 (1877) ; Gi-ant, Cat. Birds B. M. xxvi. 

 p. 580 (1898). 



