ANATIDM — FULIGULIN^: SEA BUCKS. 



711 



much greater extension of those on the sides of the bUl, which reach to below the nostrils, about 

 opposite those on the chin. The general upper outline of the hill nearly straight, and the 

 frontal processes narrow, acute, and nearly parallel (see figs, and compare description of next 

 subspecies). Adult $ : Plumage almost entirely black and white. Top of head glossy blue- 

 black, including eyes, and forking behind to receive the white of the hind-head. Occiput more 



KiG. 495. — Eider Ducks, A nat size (From Brehm.) 



or less washed with sea-green. Neck all around, fore breast, most of the back, most of the 

 wing-coverts above and below, the curly tertials, and sides of rump, white, on the breast tinged 

 with pale creamy-brown. Middle line of rump, upper tail-coverts, and under parts from the 

 breast, black or blackish. Length about 34.00 ; extent 40.00 ; wing 11.00 ; tail 4.00 ; tarsus 

 1.75 ; middle toe and claw 3.75 ; culmen of bill 2.00 or less, from apex of frontal processes to 

 tip 2.60 ; along gape 2.40. Adult ? : Sufficiently similar to the $ in character of bill, and 



