Broad-Bill.
Blue Bill, Scaup, Black Head, Raft Duck.
Fuligula Marila, Linn.
Specific Character.—The head and neck all round, with the fore part of the breast and fore part of back, black; the sides of the head and the sides and hind part of the neck dark green, reflecting purple; length of bill, when measured along the gap, two inches and five-sixteenths; length of tarsi one inch and three-eighths; length from the point of the bill to the end of the tail nineteen inches; wing eight inches and five-eighths; a broad white band crossing the secondaries and continues on the inner primaries. Adult male with the forehead, crown, throat, and upper part of the fore neck brownish-black; sides of the head, neck, and hind neck, dark green; lower portion of the neck all round, with the upper part of the breast, purplish-black; rest of the lower parts white, undulated with black towards the vent; under tail-coverts blackish-brown; tail short, dark brown, margined and tipped with lighter brown; upper tail-coverts and rump blackish-brown; middle of the back undulated with black and white; fore part black; wings brown, darker at the base and tips; speculum white, formed by the band crossing the secondaries and inner primaries; scapulars and inner secondaries undulated with black and white; secondary coverts blackish-brown, undulated with white. Female with a broad patch of white on the forehead; head, neck, and fore part of the breast umber brown; upper parts blackish-brown; abdomen and lower portions of breast white; scapulars faintly marked with white.