58 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Melanitta deglandi (Bonaparte). White-winged Scoter. [165.] 



Oidemia deglandi Bonaparte, Revue Crit. Orn. Eur., 1850, 108. (d'- 

 Amerique = America.) 



Range. — Breeds from northwestern Alaska and central British Columbia 

 to Hudson Bay, Ungava, Newfoundland (?), the Gulf of St. Lawrence, southern 

 Manitoba, central North Dakota, and northeastern Washington. Winters on 

 the Atlantic coast from the Gulf of St. Lawrence to South Carolina, and on the 

 Pacific from the Commander, Pribilof, and Aleutian islands to Lower Cali- 

 fornia; occurs also on the Great Lakes, and irregularly to southern interior 

 British Columbia, Colorado, Louisiana, and Florida.^ 



Subgenus PELIONETTA Kaup. 



Pelionetta Kaup, Skizz. Entw.-Gesch. Eur. Thierw., 1829, 107. Type, 

 by monotypy, Anas perspicillata Linnaeus. 



Melanitta perspicillata (Linnaeus). Surf Scoter. [166.] 



Anas perspicillata Linnaeus, Syst. Nat., ed. 10, I, 1758, 125. Based on 

 The Great Black Duck from Hudson's Bay Edwards, Nat. Hist. Birds, 

 155. (in Canada = Hudson Bay.) 



Range. — Breeds from northwestern Alaska and casually Greenland, south 

 to the Gulf of St. Lawrence, James Bay, Mackenzie, and the interior of the 

 Ungava Peninsula; probably also in northern Manitoba, northern Saskat- 

 chewan, and Alberta. Winters on the Atlantic coast from the Bay of Fundy 

 to Florida and on the Pacific from the Aleutian Islands to Lower California; 

 also on the Great Lakes and sparingly in the interior of southern British 

 Columbia, and in Louisiana. Casual in Bermuda, Great Britain, France, 

 Finland, Scandinavia, Belgium, Holland, and on Bering Island. 



. Genus OIDEMIA Fleming. 



Oidemia Fleming, Philos. Zool., II, 1822, 260. Type, by subs, desig.. 

 Anas nigra Linnaeus (Gray, 1840). 



Oidemia americana Swainson. American Scoter. [163.] 



Oidemia americana Swainson, in Swainson and Richardson, Fauna 

 Bor.-Amer., II, 1831 [1832], 450. (Hudson Bay, lat. 57° N.) 



Range. — Breeds from northeastern Siberia and Mackenzie Bay to the 

 Bering Sea coast of Alaska, the Aleutian and Kurile islands, James Bay, and 

 Newfoundland. Winters on the Atlantic coast from Maine and more rarely 

 Newfoundland to New Jersey, and irregularly to South Carolina and Florida; 

 on the Pacific from the Pribilof and Aleutian islands to southern California and 

 from the Commander Islands to Japan and China; south in the interior to the 

 Great Lakes and irregularly to Wyoming, Colorado, and Louisiana. 



^ The Pacific coast bird has been separated as M. d. dixoni Brooks (Bull. 

 Mus. Comp. Zool., LIX, 1915, 393). 



