DESCRIPTION. 147 



Head, neck, chest and upper back raw umber- 

 brown 



37. American Scaup Duck. 



Length about 20 inches. Bill about 2 inches 

 long. Head neck and chest black, head with a 

 greenish gloss, bill bluish-white. Female: Head 

 and neck snuff-brown, with white round base of 

 bill. 



38. Lesser Scaup Duck. 



Length about 16 inches. Bill about If inches 

 long. Plumage similar to the American Scaup 

 Duck, but black of head in male glossed with pur- 

 plish. 



39. Ring -necked Duck. 



Length about 18 inches. Bill about 2 inches 

 long. Head, neck, chest and upper parts black, 

 head with a violet-purple gloss, and middle of 

 neck with a collar of chestnut. Female : Upper 

 parts dark-brown, speculum bluish-gray, lower 

 parts white, chest and sides fulvous-brown. 



40. American Golden-eye. 



Male : Length about 23 inches. Bill about 2 

 inches long. Head and upper neck glossy green- 

 ish-black, with oval spot of white between bill and 

 eye, back pied black and white, below white. 



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