Buffel-headed Duck, Anas albeola, Wils. Amer. Orn. v. viii. p. 51. Fuligula albeola, Bonap. Syn. p. 394. Clangula albeola, Spirit Duck, Swains. & Rich. F. Bor. Amer. v. ii. p. 458. Spirit Duck, Nutt. Man. v. ii. p. 445. Buffel-headed Duck, Fuligula albeola, Aud. Orn. Biog. v. iv. p. 217. 410. 15. Fuligula histrionica, Linn. Harlequin Duck. Plate CCXCVII. Male, Female, and Young. Bill much shorter than the head, comparatively narrow, light yellowish-olive; feet light greyish-blue, the webs dusky; a broad median band from the base of the bill to the occiput bluish-black, margined behind with light yellowish-red, before with white, that colour forming a broad triangular spot on the cheek anterior to the eye; sides of the head and neck all round purplish-blue; a spot of white behind the ear, a curved line on the side of the neck, and a complete ring below the middle of the neck, with a curved band of the same anterior to the wing, all broadly edged with black; fore part of back light purplish-blue, hind part gradually deepening in tint, so as to become almost black, of which colour is the rump all round; scapulars chiefly white; wing-coverts purplish-blue, as are the alula and primary coverts; the quills dark greyish-brown; tail greyish-black; a band of white across the wing, formed by the tips of the secondaries, of which the inner have their outer webs principally of the same colour; fore part of breast purplish-blue, hind part and abdomen greyish-brown, sides light red, generally undulated with dusky; a lateral spot of white near the root of the tail. Female greyish-brown, deeper on the head and rump, lighter on the fore neck, and mottled with greyish-white on the breast; quills dark brown, edged with lighter, tail blackish-grey; a large whitish spot mottled with grey before the eye, and another of a purer white behind the ear; bill and feet dull bluish-grey. Harlequin Duck, Anas histrionica, Wils. Amer. Orn. v. viii. p. 139. Fuligula histrionica, Bonap. Syn. p. 394. Clangula histrionica, Harlequin Duck, Swains. & Rich. F. Bor. Amer. v. ii. p. 459. Harlequin Duck, Fuligula histrionica, Aud. Orn. Biog. v. iii. p. 612; v. v. p. 617. 411. 16. Fuligula glacialis, Linn. Long-tailed Duck. Plate CCCXII. Male, Female, and Young.