"Adult male.--Head, neck, upper part of breast and back black; sides of the head and upper neck glossed with green; rest of back and scapulars white, narrowly barred with black; rump, upper and under tail-coverts black; lower breast, abdomen, and sides white; vent somewhat grayish; sides with black barrings; upper wing-coverts blackish, finely vermiculated with white; secondaries white, forming the speculum, which is bounded below by a blackish band, in some specimens more or less freckled with white; tertials blackish with a green gloss, the largest ones more or less finely dusted with whitish; primaries grayish brown, from the fourth quill with a whitish area on inner web, tips black; marginal under wing-coverts grayish brown dusted with white, the remainder, as well as axillars, white; tail blackish. Bill and legs light lead-gray, webs and nail of bill blackish; iris yellow. Length, about 457; wing, 235; tail, 74; culmen, 46; tarsus, 35. "Female.--Fore part of head and chin white; rest of head, neck, and breast brown; upper parts dark brown, back and scapulars slightly vermiculated with white, under parts white below the breast; flanks brown, more or less vermiculated with white; vent and under tail-coverts dark brown, slightly vermiculated with white; wings duller and browner than in the male, the upper wing-coverts much less vermiculated with white. Bill and legs darker than in the male. Size somewhat less. "Young male has the white at base of bill like the adult female, but it is of a darker and richer color. "Male in first nuptial dress has less green metallic gloss on head and neck; the black breast-feathers have white margins; the black under tail-coverts are more or less vermiculated; in the vermiculations of the lower mantle, scapulars, and wing-coverts the dark brown predominates over the white. "Males in molting plumage closely resemble adult females. "Young in down.--'Crown, nape, and upper parts uniform dark olive-brown; throat, sides of head, and fore part of neck yellowish white; a dull grayish band crosses lower neck, rest of under parts dull yellowish, flanks grayish yellow; upper mandible blackish, tooth of beak yellowish; under mandible yellow.' (Dresser.)" (Salvadori.) 165. MARILA FULIGULA (Linnæus). TUFTED DUCK. Anas fuligula Linnæus, Syst. Nat. ed. 10 (1758), 1, 128. Fuligula fuligula Salvadori, Cat. Birds Brit. Mus. (1895), 27, 363; Sharpe, Hand-List (1899), 1, 223; Oates, Cat. Birds' Eggs (1902), 2, 183; McGregor and Worcester, Hand-List (1906), 39. Nyroca fuligula Blanford, Fauna Brit. Ind. Bds. (1898), 4, 463, fig. 121 (head). Dú-lum-pá-pa, Calayan. Basilan (Steere Exp.); Calayan (McGregor); Luzon (Heriot, Worcester, McGregor); Palawan (White). Northern Asia; northern Europe; in winter to Greater Sunda, Marianne, and Pelew Islands; Mediterranean Sea; Abyssinia; northern Indian Peninsula; southern China.