_Specific Character._--Speculum white; secondary coverts black; upper wing-coverts chestnut-red; general plumage dusky grey, waved with white; abdomen white. Adult with the bill bluish-black; head and upper part of the neck grey, streaked with dusky--darkest on the upper part of the head, as well as the middle space on the hind neck; lower neck, upper part of the breast and fore part of the back blackish-brown, the feathers marked with semi-circular bands of white, more distinctly on the fore part of the neck and upper part of the breast; sides of the body pencilled with greyish-white and dusky; lower part of the breast and abdomen white, the latter barred with dusky towards the vent; lower and upper tail-coverts and sides of the rump greenish-black; tail greyish-brown, margined with white; hind part of the back dark brown, faintly barred with white; primaries brown; secondaries greyish-brown, tipped with white; middle coverts reddish-brown; a few of the outer secondaries broadly margined with greenish-black; inner scapulars brown, broadly margined with dull yellowish-brown; outer undulated with dark brown and yellowish-white; feet dull orange. Female two inches shorter; about four inches less in extent. Length twenty-one inches and a half; wing eleven. This is an ugly duck, and not much esteemed by epicure or sportsman. WIDGEON. Bald-pate. _Anas Americana_, Wils. _Specific Character._--Bill short, the color light greyish-blue; speculum green, banded with black; under wing-coverts white. Adult male with the loral space, sides of the head below the eye, upper part of the neck and throat, brownish-white, spotted with black; a broad band of white, commencing at the base of the upper mandible, passing over the crown; behind the eye, a broad band of light green, extending backwards on the hind neck about three inches; the feathers on the nape rather long; lower neck and sides of the breast, with a portion of the upper part of the breast, reddish-brown; rest of the lower parts white, excepting a patch of black at the base of the tail; under tail-coverts same color; flanks brown, barred with dusky; tail greyish-brown, tipped with white; two middle feathers darker and longest; upper tail-coverts white, barred with dusky; lower part of the hind-neck and fore part of the back undulated with brownish and light brownish-red, hind part undulated with greyish-white; primaries brown; outer webs of inner secondaries black, margined with white--inner webs greyish-brown; secondary coverts white tipped with black; speculum brilliant green, formed by the middle secondaries. Length twenty-one inches, wing ten and a half. Female smaller, plumage duller, without the green markings. This duck is much prized along the sea-coast, but at the West he holds an inferior rank. PINTAIL. Sprig-tail--Pigeon-tail--Grey-Duck. _Anas Acuta_, Wils.