ORDER PYGOPODES. 31 



RANGE. Arctic regions of both continents. Breeds on Arctic 

 islands south to northern Hudson Bay and mainland of Siberia; 

 winters in Arctic Ocean and casually south to Norton Sound and 

 Lake Ontario; north in migration to latitude 84. 



Cepphus columba PALLAS. Pigeon Guillemot. [29.] 



Cepphus columba PALLAS, Zoogr. Rosso- Asiatica, II, 1826 (1811?), 348. 

 (Kamchatka, and Straits between Siberia and Alaska.) 



RANGE. Coasts and islands of the Arctic Ocean, Bering Sea, and 

 Cape Lisburne and both coasts of the North Pacific from Bering Strait 

 south to Santa Catalina Island, California, and to northern Japan. 



SUBFAMILY ALCIN^E. AUKS AND MURRES. 

 GENUS URIA BRISSON. 



Uria BRISSON, Orn., VI, 1760, 70. Type, by tautonymy, [Uria] uria 

 BRISSON = Colymbus troille LINN^US. 



Una troille (LINNAEUS). 

 RANGE. Coasts and islands of the North Atlantic and North Pacific. 



a. Uria troille troille (LINNAEUS). Murre. [30.] 



Colymbus troille LINNAEUS, Fauna Suecica, ed. 2, 1761, 52. (Spitz- 

 bergen.) 



RANGE. Coasts and islands of North Atlantic. Breeds in North America 

 from southern Greenland and southern Ungava south to Newfoundland and 

 Magdalen Islands ; winters south to Maine. 



6. Uria troille californica (H. BRYANT). California Murre. (30a.) 



Catarractes calif ornicus H. BRYANT, Proc. Bost. Soc. N. H., VIII, 1861, 

 142. (Farallon Islands, California.) 



RANGE. Coasts and islands of the North Pacific. Breeds from Norton 

 Sound and Pribilof Islands south to the Farallones, California; winters from 

 the Aleutian Islands south to Santa Monica, California. 



Una lomvia (Lixx^us). 



RANGE. Coasts and islands of the North Atlantic, North Pacific, 

 and Arctic oceans. 



