ANATID E—DUCKS. 209 
with pale green ; neck and fore part of body, most of wing- 
coverts, and a spot on either side of rump white; breast 
washed with cream-colour; feathers on centre of upper man- 
dible reaching to the nostrils, feathers bordering frontal 
tubercles, a V-shaped mark on throat, elongated innermost 
secondaries, and rest of plumage chiefly Alack ; bill orange, with 
two elevated, compressed ¢udercles at the base; legs and feet 
orange; irides yellow. Length 22 to 24 inches ; culmen 1°2 ; 
wing 10°75 to 11; tail 4; tarsus 1°65. 
Adult Female: Resembles the female of S. modltssima, 
but the forehead feathers project beyond those on the side of 
the bill instead of extending little more than half as far 
(Seebohm). 
Immature Males: Tubercles at base of upper mandibles 
small; less white on wing-coverts ; otherwise similar to adult. 
Moulting adults may always be recognised by their bills. 
Young in first plumage: Resemble other immature 
Eiders except in the formation of the bill and the arrangement 
of the feathers bordering it. 
Distribution: Resident in the Northern Palearctic and 
Nearctic regions. Scarce south of the Arctic Circle. 
Habitat: Probably similar to that of S. modlissima. 
STELLER’S EIDER. 
Somateria stelleri (Pa//.). 
Adult Male: Longitudinal band on centre of throat, a 
broad ring round wpper neck, hinder. neck, mantle, centre of 
back, rump, tail-coverts, two spots on either side of breast and 
orbits deep Jack, glossed with green or purple ; wing- and tail- 
quills dark-brown ; wmg-speculum violet ; elongated, decurved 
innermost secondaries glossy blue on outer webs, and white on 
the inner; loral spot and a large patch on hinder crown green ; 
éreast and sides pale ferruginous, deepening into ches‘nu* at the 
middle and shading into black at the vent; bill dark slate- 
grey with lighter nail; legs and feet dusky-grey with darxer 
webs; irides brown. Length 18 to 19 inches; culmen 1°45 ; 
wing 8°5 tog; tail 3°5; tarsus 1°25. 
Adult Female: Dark reddish-brown, becoming blackish 
on belly and under tail-coverts, much mottled and barred with 
P 
