. The birds of America : from drawings made in the United States and their territories . dusky; iris hazel; feet of a duller yellow than those of themale; the head and neck are pale dull buff, longitudinally marked withbrownish-black lines, which are broader and darker on the top of the head;the fore part of the cheeks and the throat whitish, without markings. Theupper parts are dark brown, the feathers margined with brownish-white; thesmaller wing-coverts coloured as in the male, but less brilliantly; no blue onthe scapulars, which are also less elongated. On the lower parts, the feathersare
. The birds of America : from drawings made in the United States and their territories . dusky; iris hazel; feet of a duller yellow than those of themale; the head and neck are pale dull buff, longitudinally marked withbrownish-black lines, which are broader and darker on the top of the head;the fore part of the cheeks and the throat whitish, without markings. Theupper parts are dark brown, the feathers margined with brownish-white; thesmaller wing-coverts coloured as in the male, but less brilliantly; no blue onthe scapulars, which are also less elongated. On the lower parts, the feathersare dusky-brown, broadly margined with light brownish-grey, of which thereis a streak or spot in the centre. The axillary feathers, and some of thelower wing-coverts are white, but the patch of that colour so conspicuous inthe male is wanting. Length to end of tail 15 inches, to end of wings 14j, to end of claws 15^;extent of wings 24; wing from flexure 7i; tail 2^; bill along the ridge2TV Weight 10\ oz. The young birds are similar to the female, but paler, and without the V V, 3 \i I \ \ * »<• \, v V N \ ^ \v K J SHOVELLER DUCK. 293 In a male, the roof of the mouth is deeply concave, with a prominent mid-dle ridge, on which are a few blunt papillae; on the upper mandible are 50lamellae, on the lower about 65 below, and 85 above. The tongue, S twelfthslong, large and fleshy, has two rows of lateral bristles. The oesophagus isS^ inches long, 4 twelfths in diameter until the middle of the neck, when itenlarges gradually to half an inch. The proventriculus is 1^ inches in length,with oblong glandules. The stomach is a strong roundish gizzard, 1 inchand 2 twelfths long, 1^ inches broad; its left muscle 7 twelfths thick, theright 6|- twelfths; its cuticular lining or epithelium of moderate thicknessand longitudinally rugous. The intestine, 5 feet 1 inch long, varies indiameter from 3 to 2 twelfths; the cceca are 2 inches 10 twelfths long, cylin-drical and rounded,
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Keywords: ., bookcentury1800, bookdecade1840, bookidbirdsofa, booksubjectbirds
