RING-NECKED DUCK. 277 



Bill black; with a basal band, the edges of 

 both mandibles and a band across the upper to- 

 wards the end, pale blue. Iris yellow. Legs 

 grayish-blue; the webs brownish-black. The head 

 and upper part of the neck greenish-black, with pur- 

 ple reflections. A brownish-red collar or ring, broad- 

 er before, on the middle of the neck. Its lower part 

 all round, as well as the back, scapulars, smaller 

 wing-coverts, and posterior part of the abdomen, 

 brownish-black. Inner secondaries of the same 

 color; outer bluish-gray on the outer web, light- 

 brown on the inner, as are the primaries, of 

 which the outer webs and tips are dark-brown. 

 Tail brownish-gray. Chin white. Breast grayish- 

 white. Sides and fore part of the abdomen gray- 

 ish-white, minutely undulated with grayish-brown. 



Length to end of tail, 18 inches ; extent of 

 wings, 28. 



Adult female : The female has the neck umber- 

 brown; the upper part of the head darker; the 

 back blackish-brown; the speculum darkish-gray, 

 as in the male ; the breast brownish-white ; the 

 loral spaces afld chin pale-brown; the abdomen 

 umber-brown. 



Length, 16 inches. , 



The female of the ring-necked and scaup 



