30 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Range.— Aleutian Islands east to Glacier Bay, Alaska, and Kam- 

 chatka and northern Japan. 



Subgenus ENDOMYCHURA Oberholser. 



Endomychura Oberholser, Proc. Acad. Nat. Sci. Phila., 1899, 201. 

 Type, by orig. desig., Brachyramphus hypoleucus Xantus. 



Brachyramphus hypoleucus Xantus. Xantus's Murrelet. [25.] 



Brachyramphus hypoleucus Xantus, Proc. Acad. Nat. Sci. PhUa., 1859, 

 299. (Cape San Lucas, Lower California.) 



Range. — Coasts of California and Lower California, from Mon- 

 terey Bay to Cape San Lucas, formerly breeding as far north as 

 Santa Barbara Islands. 



Brachyramphus cravSrii (Salvadori). Craveri's Murrelet. [26.] 



Uria craveri Salvadori, Atti Soc. Ital. Sci. Nat., VIII, 1865, 387. (Nati- 

 vidad Island, Gulf of California.) 



Range. — Lower California from Natividad Island (lat. 28^^) on 

 the Pacific and from Espiritu Santo Island in the Gulf, south to Cape 

 San Lucas. 



Genus CEPPHTJS Pallas. 



Cepphus Pallas, Spic. Zool., I, Fasc. v, 1769, 33. Type, by monotypy, 

 Cepphus lacteolus Pallas = Alca gryUe Linn^us, albino. 



C6pphus grylle (Linn^us). Black Guillemot. [27.] 



Alca grylle Linn^us, Syst. Nat., ed. 10, 1, 1758, 130. (Southern Sweden.) 



Range.^ — Coasts of eastern North America and northwestern 

 Europe. In America breeds from southern Greenland and Ungava 

 to Maine; winters from Cumberland Sound south to Cape Cod 

 and casually to New Jersey. 



Cepphus mSndti (Mandt). Mandt's Guillemot. [28.] 



Uria mandtii "Light." Mandt, Obs. Hist. Nat. Itin. Grcenl., 1822, 30. 

 (Spitzbergen.) 



