GADWALL. NATATORES. CHAULIODUS. 303 
to the left side, being in shape much like that of the Com- 
mon Mallard, but smaller. The flesh of this species is held 
in high estimation. 
Puate 51. represents the Male Gadwall of the natural size. General 
Head and upper part of the neck speckled with hair- cer 
brown and white, passing upon the crown of the head Male Bird. 
into yellowish-brown. Lower part of the neck, breast, 
and mantle black, with concentric semicircles of white. 
Scapulars, flanks, and sides beautifully rayed with zig- 
zag lines of white and blackish-brown. Lesser wing- 
coverts grey, marbled with yellowish-white ; the middle 
coverts deep orange-brown, succeeded by others of a 
glossy black. Speculum having the lower part black 
and the upper white. 'Tertials grey, tinged with yel- 
lowish-brown. Quills hair-brown. Lower - 7 the 
back, rump, upper and under tail-coverts black, glossed 
with purplish-blue. ‘Tail wedge-shaped ; the two mid- 
dle feathers hair-brown with paler edges, the lateral 
ones tinged with yellowish-brown, margined and tipped 
with white. Belly and abdomen greyish-white, speck- 
led with hair-brown. Bill one inch and three quarters 
long, brownish-black. Irides brown. Legs and _ toes 
orange-red. 
Beare 5042 Big: 1: The Female! 
Crown of the head glossy black, mixed with greyish-white. Female. 
Over the eyes is a lightish streak, intermixed with 
black. Chin and throat pure white. Cheeks yellowish- 
white, streaked with hair-brown. Breast pale buff, with 
the central parts of the feathers deep-brown. Upper 
parts deep brown, the feathers being margined with 
pale buff; with the flanks and sides the same. Belly 
and abdomen white. Lesser wing coverts hair-brown, 
margined paler. Speculum as in the male. Tail mar- 
bled with brown, buff and white. 
