l68 WATER FOWL. 



black. Breast and abdomen, white. Flanks, white, barred with 

 irregular black lines, more or less distinct. Crissum, dusky, 

 mottled with white ; under tail coverts, black. Tail, black. 

 Bill, bluish white, nail, black. Legs and feet, light slate or 

 plumbeous. Iris, yellow. Length, about i6 inches; wing, 8; tail, 

 3, tarsus, i^; culmen, i^^. 



Adult Female. — Space about base of bill, white. Rest of head 

 and neck, snuff brown. Upper back and breast, amber brown ; 

 the feathers, margined with pale brown on the former, ochrace- 

 ous on the latter. Back and scapulars, fuscous, mottled with 

 white. Wings, dark brown; speculum, white. Flanks, dark 

 grayish brown, tips of feathers, white. Under parts, white. 

 Rump and upper tail coverts, dark grayish brown. Anal region 

 and under tail coverts, pale grayish brown, much lighter than 

 rump and upper tail coverts, and grading into the white of the 

 abdomen. Tail, dark grayish brown, edges of webs, ochraceous. 

 Bill, legs, and feet, colored as in the male. Size similar to that 

 of the male. 



