SCAUP DUCK. 163 



gniy; nail, black. Iris, yellow. Lc-s and feet, plumbeous. 

 Total length, about 19 inches; wing, Sf'j; culmen, 2; tarsus, i^*^. 

 Adult /v'wr?A'. — Forehead, and sides of bill at base, white. 

 Rest of head, neck, and breast, snuff brown. Upper parts, 

 dusky brown; tip of feathers, lighter. " Back and scapulars, ver- 

 miculated slightly with white. Wings, purplish brown, ' with 

 white speculum. Primaries, with the tips and outer webs of first 

 two, blackish brown, remainder, pinkish buff, or whitish brown, 

 the latter showing like a patch when wing is closed. Flanks, 

 brown, vermiculated with white. Belly, white. Anal regions 

 and under tail coverts, dark brown, inclined to an olive shade; 

 feathers, tipped with white. Tail, dusky brown, lighter than the 

 rump. Iris, bill, legs, and feet, colored as in the male. Total 

 length, about 19 inches; wing, 8^%; culmen, if; tarsus, i^V • 

 There is very little if any difference in the average size of the 

 sexes of this species. 



