AYOSET. 
257 
black and white; the forehead, crown above the 
eyes, and back of the neck, for about two-thirds of 
its length downwards, the outer scapulars, shoul- 
ders, middle wing-coverts and quills, are black, of 
a deeper tint on the wings, and on the head and 
wings slightly tinted with greyish-brown ; the other 
parts of tho plumage are pure white ; the bill black, 
resembling towards its tip a narrow stripe of thin 
whalebone ; the legs and feet bluish-grey. The 
young birds are described as having the black por- 
tions of the plumage tinted with brown, that on the 
head extending a little past the nape ; the scapulars 
and dark wing-coverts edged with reddish-brown. 
R 
