76 EEPOKT OP NEW JEESEY STATE MUSEUM. 



dd. Head more or less metallic, greeu or blue. 

 e. Entirely green. 



/. "Shoulder" of wing blue, speculum green. 



Shoveller, p. 84 

 //. Shoulder brown, speculum purplish-blue. 



Mallard, p. 79 

 ee. Green, marked with white and purple, and crested. 



Wood Duck, p. 85 

 eee. Green back of eye and down the neck, rest of head 

 speckled. Baldpate, p. 82 



ddd. Head black with green or purplish reflections. 

 e. A large white patch behind the eye. 



BUFFLEHEAD, p. 89 



ee. A white spot at the base of the bill. 



Golden-eyed Duck, p. 88 

 eee. No white marks on head. 



/. A chestnut collar at base of neck, speculum 

 gray. Ring-neck Duck, p. 88 



ff. No chestnut collar, speculum white. 



g. Flanks white. Scaup Duck, p. 87 



gg. Flanks mottled with dusky. 



Lesser Scaup Duck, p. 87 

 dddd. Head jet black without reflections, under parts black, 

 e. A white spot on crown or cheeks, tail long. 



Old-squaw, p. 89 



ee. A white patch on the nape and sometimes on the 



forehead. Surf Scoter, p. 92 



eee. A white spot before the eye and white speculum. 



White-winged Scoter, p. 92 



eeee. No white markings. American Scoter, p. 92 



ddddd. Head plain brown or brownish, with or without white 



markings. 



e. Speculum gray. 



f. Wing, 8.75-9. 



g. Bill 2 or less. 



Redhead (female), p. 86 

 gg. Bill over 2. 



Canvasback (female), p. 86 

 ff. Wing, 7.50. Ringneck (female), p. 88 

 ee. Speculum white. 



/. Breast entirely white. 



g. A white patch below and behind the 

 eye. Bufflehead (female), p. 89 



gg. A white spot at the base of the bill. 



Golden-eye Duck (female), p. 88 

 //. Breast dusky brown or rusty. 



g. No white spot behind the eye. 

 h. Bill, 2. 



Scaup Duck (female), p. 87 

 hh. Bill, 1.75. 



Lesser Scaup Duck (female), 

 p. 87 



