rRiA. — CErrHus. 



169 



Alca bruenniclii, Drc^fe); Birds Erir. \'m. p. 575 (1877) ; Seelohm, E(j<is 



of Brit. Birds, p. 94, pi. 26. figs. 5, G (189G). 

 I'l-ia lonnia '\om\m, Baird, Breicer ^- Ridyw. Water Birds N.Am. ii. 



p. 485 (1884). 

 Alca trojle brunniclii, 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 1 '8 to 2-15 in breadth. 



3. 



(5. 



12. 



Dudley Diggs, Eaffin Bay. 

 Frow Islands, N.W. America. 

 Sanderson's Hope, Greenland, 22ud 



July (Col. H. W. Feilden). 

 Greenland. 

 Greenland. 

 Disco, Greenland. 

 Egedes-minde, Greenland. 

 Godhavn, Greenland. 

 .Sukkestappen, Greenland. 

 Iceland ( TJ'. Proctor). 

 Novaya Zenilya, 7th June. 

 Novava Zemlva. 



Spitsbergen, t8°-79° N. lat.,July. 

 Cape Flora, Franz Josef Land; 



30th June. 



iSalvin-Godman Coll. 

 Dr. Ttobertson [C.]. 

 Voy. II. M.S. ' Alert.' 



Gould Coll. 

 Sahin-Godman Coll. 

 McCormick Bequest. 

 Seebohm Coll. 

 Seebohm Coll. 

 Seebohm Coll. 

 Salvin-Godman Coll. 

 Admiral A. Markham [P.]. 

 Seebohm Coll. 

 Seebohm Coll. 

 F. G. Jackson, Esq. [P.]. 



Uria arra {PalL). 



I'ria lomvia arra, Baird, Bretcer iS- liidi/w. Voter Birds K. Am. ii. 



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

 Alca troile arra, Seehuhn, Brit. Birds, iii. p. 388 (1885). 

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

 Uria lomvia. Grant, Cat. Birds B, M. xxvi. p. 677, part. (1898). 

 Uria arra, Sharjie, Hand-l. i. p. 131 (1899). 



The eggs of the Thick-billed Guillemot resemble those of U. troile 

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

 by the paucity of their markings. 



2. Japan (H. rnjer). 

 4. Ivurile Islands, Japan {II. J. Snow). 

 11. Commander Islands. 



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

 27th June (H. W. Elliott: 

 Henshaw Coll.). 



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

 {Ilenshaxv Coll.). 



Seebohm Coll. 

 Seebohm Coll. 

 G. E. II. Barrett-Hamilton, 



Esq. [P.]. 

 Salvm-Godjnan Coll. 



Salvin-Godman Coll. 



Genus CEPPHUS, Pall. 

 Cepphus grylle {Linn.). 



Uria grylle, Thien. Fortjifianz. ges. Voff. tab. iiic. fig. \,a-e (1845-54^; 

 lieuitson, Ef/f/s of Brit. Birds, ii. p. 462, pi. cxxvi. (1856) ; Dresser, 

 Birds Eur. viii, p. 581 (1877) ; Grant, Cat. Birds B. M. xxvi. 

 p. 580 (1898). 



