LIST OF THE BIRDS OF EASTERN NORTH AMERICA. 335 



A -: u - GENUS DAFILA. STEPH. 



NO, 



100 (143) DAFILA ACUTA. LINN. Pintail Duck. Sprigtail. 



North America ; breeding from northern portions of northern States 

 northward ; south in winter to Cuba. 



GENUS AIX. BOIE. 



101 (144) AIX SPONSA. (LiNN.) Wood Duck. Summer Duck. 



Temperate North America ; south in winter to Cuba ; breeds throughout 

 its range. 



Subfamily FULIGULIN/C. Sea Ducks. 



GENUS NETTA. KAUP. 



102 (145) NETTA RUFINA. (PALL.) Rufous-crested Duck. 



European species; New York, one record. 



GENUS AYTHYA. BOIE. 



103 (146) AYTHYA AMERICANA. (EYT.) Red-head Duck. 



North America in general ; breeds from northern portions of United 

 States northward. 



104 (147) AYTHYA VALLISNERIA. (WILS.) Canvas-back Duck. 



North America in general ; breeds from Minnesota north and west to 

 Alaska ; not common- on New England coast, but abundant about 

 Chesapeake Bay and Carolina coasts ; casual, south in winter to 

 Florida and Cuba. 



SUBGENUS FULIGULA. STEPH. 



105 (148) AYTHYA MARILA. (LINN.) American Scaup Duck. Blue-bill or Black- 



head. 



Throughout North America ; breeds north of United States. 



106 (149) AYTHYA AFFINIS. (EYT.) Lesser Scaup Duck. Blue-bill or Black-head. 



Ranges throughout North America ; south in winter to West Indies ; 

 abundant in Florida. 



107 (150) AYTHYA COLLARIS. (DoNOv.) Ring-necked Duck. 



Throughout North America ; in winter south to West Indies ; breeds 

 far north. 



GENUS GLAUCIONETFA. STEJN. 



108 (151) GLAUCIONETTA CLANGULA AMERICANA. (BONAP.) American Golden- 



eye Duck. Whistler. 



North America ; breeding from northern New England northward ; south 

 in winter to the Gulf coast and Cuba. 



109 (152) GLAUCIONETTA ISLANDICA. (GMEL.) Barrow's Golden-eye Duck. 



Northern North America ; breeding from Gulf of St. Lawrence north- 

 ward ; south in winter to New York ; not common on New England 

 coast. 



