DESCRIPTION. 149 



lower parts black and white, middle tail-feathers 

 about 8 inches long. Female : Length about 16 

 inches, without long middle tail-feathers. Upper 

 parts white, dusky on top of head, back dusky- 

 brown, lower parts white, chest grayish. Young : 

 Similar to female, but darker. 



44. American Eider. 



Length about 26 inches. Bill about 2 inches 

 long. Adult male with angle on side of forehead 

 broad and rounded, black of head bordered beneath 

 by pale green. Female and Young : Plumage bar- 

 red with dusky and pale fulvous, head and neck 

 streaked with the same. 



45. American Scoter. 



Length about 21 inches. Bill about If inches 

 long. Adult, male: Uniform black, bill yellow or 

 orange and black. Female: Above, dusky grayish- 

 brown, lower parts paler grayish-brown, bill black- 

 ish. Young : Similar to female, but lighter beneath, 

 slightly barred with grayish-brown. 



46 White-winged Scoter. 



Length about 23 inches. Bill about 1J inches 

 long. Adult male: Sides of bill orange-red, wing 

 with white speculum, other parts black or brownish- 

 black, white patch under and behind eye. Female : 

 Sooty-grayish, wing with white speculum, no white 

 on head, bill dusky. 



