BIEDS — ANATINAE — QUERQUEDULA DISCOKS. 
779 
long scapulars are creamy white, with the outer edge hroadly velvet black, the inner sometimes 
waved black and white, while in carolinensis these are plain grayish olive. There are other 
minor differences, but these will be sufficient to separate the two. 
The specimen described was furnished by Mr. John G-. Bell, and obtained by him in the New 
York market, where several others have from time to time been procured by him. 
QUERQUEDULA, Stephens. 
Querquedula, Stephens, Shaw's Gen. Zool. XII, n, 1824. Type .<?nas querquedula, Linn. 
Cyanoplcrus, Eyton, Mon. Anat. 1838. (Not of Haliday.) 
Pterocyanca, Bonap. List, 1842. 
Ch. — Bill narrow, lengthened, a little longer than the foot ; widening a little to the end, which is obtusely rounded ; the 
nail occupying about one-third the width ; the lamellae visible in the lateral profile. The upper lateral angle at the base of bill 
extending rather further back than the lower edge. 
The two species of this genus inhabiting the United States have the following common and 
special characters : Wing coverts and the outer webs of some scapulars bright blue ; the greater 
coverts tipped with white. The axillars and middle of under surface of wings white. A grass 
green speculum just below the white of the coverts. Scapulars streaked with yellowish buff. 
Top of head and chin dusky. Crissum blackish. Female retains the blue and white of wing. 
Head and neck plumbeous. A white crescent in front of the eye and a white patch on 
each side of the tail. Under parts purplish or violaceous, spotted with brown. Long 
feathers of flanks banded Q. discors. 
General color purplish chestnut, without white on head and tail ; feathers of flanks 
uniform chestnut , Q. cijanoptera. 
QUERQUEDULA DISCORS, Steph. 
Blue- winged Teal. 
Jlnas discors, Linn. Syst. I, 1766, 205.— Gm. 1, 535.— Wilson, Am. Orn. VIII, 1814, 74 ; pi. Ixviit.— Bon. Obs. No. 
262.— Aud. Orn. Biog. IV, 1838, 111; pi. 313.— Ib. Syn, 1839, 282.— Ib. Birds Anier. VI, 1843, 
287 ; pi. 393. 
Querquedula discois, Steph. Shaw's Gen. Zool. XII, 1824, 149. 
Jlnas {Boschas) discors, Sw. F. Bor. Am. II, 1831, 444 .— Nuttall, Man. II, 1834, 397. 
Cyanopterus discors, Eyton, Mon. Anat. 1838 —Bon. List, 1838 — Gosse, Birds Jam. 1847, 101. 
Pterocyanca discors, Bon. (?) — Ib. Comptes Rendus, XLIII, 1856. 
While-faced teal or duck, Pennant, II, 568.— Lath. Syn. Ill, n, 502. 
Sp. Ch. — Male. Head and neck above plumbeous grey ; top of head black. A white crescent in front of the eye. Under 
parts from middle of the neck purplish gray, each feather with spots of black, which btcome more obsolete behind. Fore part 
of back with the feathers brown, with two undulating narrow bands of purplish gray. Feathers on the flanks banded with dark 
brown and purplish gray. Back behind and tail greenish brown ; erissurn black. Wing coverts and some of the outer webs of 
scapulars blue ; other scapulars velvet black or green, streaked with pale reddish buff. Speculum glossy green ; the outer 
greater wing coverts white, as are the axillars, the middle of under surface of the wing, and a patch on each side of the base of 
the tail. Bill black ; feet flesh colored. 
Female with the top of head brown, and the wing coverts blue and white, as in the male. Base of bill, except above, chin, 
and upper part of the throat, dirty yellowish white. Back brown, the feathers margined with paler ; under parts whitish, with 
rounded obscure brown spots ; the jugulum darker. Length of male, 16 ; wing, 7.10 ; tarsus, 1.20 ; commissure, 1.85. 
Hab. — Eastern North America to Rocky mountains. Not yet found on the Pacific coast nor in Europe. 
