46 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Mareca americana (Gmelin). Baldpate. [137.] 



Anas americana Gmelin, Syst. Nat., I, Pt. ii, 1789, 526. Based mainly 

 on the American Wigeon Pennant, Arct. ZooL, II, 567. (in America a 

 Cayenna insulisque vicini Oceani ad sinum Hudsonis usque = New 

 York.) 



Range. — Breeds from northwestern Alaska, northern British Columbia and 

 the interior of Washington and Oregon east to Hudson Bay and Manitoba 

 (Shoal Lake), south to northern Indiana, northern Nebraska, northern 

 Colorado, northern Utah, northwestern Nevada, and northeastern California. 

 Winters from Chesapeake Bay (rarely Massachusetts), the Ohio Valley, 

 northeastern Colorado, central Utah, southern Nevada, Vancouver Island, and 

 southeastern Alaska to Panama and the Pacific coast of Central America. 

 Casual or accidental in Bermuda, the West Indies, New Brunswick, Greenland, 

 Aleutian, Commander, and Hawaiian islands, the Azores, British Isles, France, 

 and Japan. 



Genus DAFILA Stephens. 



Dafila Stephens, in Shaw, General Zoology, XII, Pt. ii, 1824, 126. Type, 

 by monotypy, Dafila caudacuta Stephens = Anas acuta Linnaeus. 



Dafila acuta tzitzihoa (Vieillot). American Pintail. [143.] 



Anas tzitzihoa Vieillot, Nouv. Diet. d'Hist. Nat., nouv. ed., V, 1816, 163. 

 (Mexique.) 



Range. — Breeds from northwestern Alaska and northern Mackenzie east 

 to Hudson Bay and James Bay, south to central Iowa, central Nebraska, north- 

 ern Colorado, northern Utah, and southern California (formerly or rarely to 

 northern Illinois, southern Michigan, and Wisconsin). Winters from southern 

 British Columbia down the Pacific coast to Central America and from north- 

 eastern Colorado, Oklahoma, central Missouri, southern Illinois, southern 

 Ohio, and Chesapeake Bay (casually from Nebraska, Wisconsin, and Maine) 

 to the Bahamas, West Indies, and Panama; also in the Hawaiian Islands. 

 Casual or accidental in Greenland, southern Baffin Island, Labrador, Laysan 

 Island, Bermuda, and China.^ [A closely allied race is found in Europe, Asia, 

 and northern Africa.] 



* Dafila bahamensis bahamensis (Linnaeus). Bahama Pintail. [143.1.] 



Anas bahamensis Linnaeus, Syst. Nat., ed. 10, I, 1758, 124. Based on 

 The Ilathera Duck, Anas bahamensis rostro plumbco, macula A urantii 

 colons Catesby, Carolina, I, 93. (in Bahama = Bahama Islands.) 



1 Some birds from northwestern Alaska show a tendency toward D. a. acuta 

 of Europe and Asia but are referred to this race. Cf. Bailey, Condor, XXVI, 

 1925, 109; XXXII, 1930, 265. 



