796 



U. S p. E. E. EXP AND SURVEYS— ZOOLOGY — GENERAL EEPOET. 



BUCEPHALA AMERICANA, Baird. 



Golden Eye ; Whistle Wing. 



Anas clangula, Porster, PWlos. Trans. LXII, 1772, 365.— Winos, Am. Ora. VIII, 1814, 62; pi. Ixvii.— Dooghti's 



Cab. N. H. I, 1830, 110 ; pi. x. Not of Linnaeus. 

 Fuliffula {Clangula) clangula, Bon. Syn. 1828, 393. — Nott. Man. IT, 441. 



Fuligida clangula, AuD. Om. Blog. IV, 1838, 318; pi. 348.— Ib. Birds Amer. VI, 1843, 362; pi. 406. 

 Clangula vulgaris, Sw. P. Bor. Am. 11, 1831, 456. Not of Plemlng. 



Clangula americana, Bonap. Comp. List, 1838. — Eyton, Mon. Anat. 1838, 167. ^ 



Sp. Ch.— Bill black. Head and upper part of neck glossy green; the under surface opaque velvety purplish black. An 

 elliptical patch along the base of upper mandible anterior to the eye, lower part of neck, under parts generally, and sides, middle 

 and greater wing coverts, the innermost secondaries (and tertials, except the innermost three or four) white. The white on the 

 wing is in a continuous patch, although there is a concealed black bar on the bases of the greater coverts. The inner scapulars 

 are white, margined externally with black, posteriorly, however, they are black, streaked centrally with white. The inner 

 scapulars and tertials, and the whole back, rump, and lesser wing coverts are black ; the primaries and taU black, with a hoary 

 gloss. The under side of quills and lower greater coverts are plumbeous gray ; the rest of the under wing and the axillars are 

 sooty brown. The long white feathers of the flanks are edged superiorly with black. 



Female with the head and neck above snuff brown, without white patch. White of wing less extended ; the middle coverts 

 only touched with white. There is a tendency to a black bar across the tips of the greater coverts. The white of the wing 

 sometimes well defined. 

 Length, 18.75; wing, 8.50; tarsus 1.50; commissure, 2. 

 Eab. — Whole of North America. 



Idst of specimens. 



BUCEPHALA ISLANDICA, Baird. 



Barrow's Golden Eye, 



Anas islandica, Gmklin, Syst. Nat. I, 1788, 541. 



Clangula islandica, Bonap. List Birds Europe, 1842. 



Clangula barroaii, Sw. F. Bor. Am. II, 1831, 456 ; pi. Ixx.— Swain son, Anim. in Men. 1838, 271.— Bon. List, 1838. — 

 EvTON, Mon. Anat. 1838, 165. 



Fuligula (Clangula) barrowU, Nuttall, Man. II, 444. 



Clangula seapularii, Brehu & Mehlis, Brehm Vogel Deutschl. July, 1831, 931. 



Fuligula clangula, var. Aud. Orn. Biog. V, 1839, 105; pi, 403.— Is. Birds Amer. VI, 1843. 

 Sp. Ch. — Head and neck all round bluish violet, occasionally with green or purplish reflection; a large white patch ante- 

 rior to the eye, occupying the entire side of the bill, and running up in a point on the forehead. Lower neck and under parts 

 generally white ; a narrow white patch on the middle wing coverts. The greater coverts black, tipped with white, which Is 



