290 ANATIDZ, DUCKS.—GEN. 262. 
reflections ; of back, mixed silvery-gray and black in about equal amount, the 
dark waved lines unbroken. N.Am., abundant. Wiuzs., viii, 110, pl. 70, f. 6; 
Nurtt., ii, 484; Aup., vi, 311, pl. 396; Bp., 793. FERINA var. AMERICANA. 
Canvas-back. Bill blackish, high at the base and narrow throughout, not 
shorter than head (24, or more), the nostrils at its middle; head much 
obscured with dusky ; black waved lines of the back sparse and much broken 
up into dots, the whitish thus predominating. N. Am., especially abundant 
along the middle Atlantic Coast in winter, where from feeding on the wild 
celery ( Vallisneria) its flesh acquires a peculiar flavor, though not particularly 
excellent under other circumstances. WH1S., viii, 103, pl. 70, f. 5; Nurr., 
ii, 480; Aup., vii, 299, pl..395; Bp: 794... : 2 = VALUISNERTAR 
262. Genus BUCEPHALA Baird. 
*,* @ with the head puffy, dark colored, iridescent, with large white patches ; 
lower neck all around, under parts, including sides, most of the scapulars, wing 
coverts and secondaries, white ; lining of wings and axillars dark; most of upper 
parts black ; no waving on back and sides. 9 with the head less puffy, brown or 
dark gray, with traces of the white patches, or not; somewhat less white on the 
wings ; fore breast and sides with gray, the feathers paler-edged. Bill much shorter 
than head, very high at the base, tapering, with median nostrils. 
Golden-eye. Garrot. & with the head and upper neck glossy dark green, 
and a white oval or rounded loral spot, not touching the base of the bill 
throughout ; white continuous on outer surface of wing; bill black with pale 
or yellow end, with nostrils in anterior half; feet orange ; webs dusky ; eyes 
yellow; head uniformly puffy; 9 with head snuffy-brown, and no white 
patch in front of the eye. Length 16-19; wing 8-9. N. Am., abundant. 
Our bird does not appear to differ in the least from the European. Wus., 
viii, 62, pl. 67, f. 6; Nurr., ii, 441; Aup., vi, 362, pl. 406 (describes the 
next species as summer plumage); Bp., 796. . . . . . CLANGULA. 
Barvow’s Golden-eye. Locky Mountain Garrot. Very similar; gloss of 
head purplish and violet; the loral spot larger, triangular or crescentic, 
applied against the whole side of the bill at base; white on surface of wing 
divided by a dark bar; rather larger than the last; 19-22; wing 9-10; 
occipital feathers lengthening into a slight crest; bill shorter; 9 probably 
not distinguishable with certainty from that of the foregoing, unless by the 
dark bar on the wing. Arctic America to the N. States in winter, not common. 
Also N. Europe. It is doubtfully distinct from the last, with which, however, 
Tam not prepared to unite it. Sw.and Ricu., F. B.-A. 456, pl. 70; Nurr., 
ii, 444; Bpo., 796; Extior, pl. 46, and Aun. Lyc. N. Y. 1862. .. IsLanpIca. 
Bufile-headed Duck. Butter-ball. Spirit Duck. Dipper. @ with the 
head particularly puffy, of varied rich iridescence, with a large white auric- 
ular patch confluent with its fellow on the nape; small; 14-16; wing 6-7; 
bill 1, with nostrils in basal half; 9 still smaller, an insignificant looking 
duck, with head scarcely puffy, dark gray, with traces of the white auricular 
patch. N. Am., abundant. Wiuzs., viii, 51, pl. 67, f. 2,3; Nurr., ii, 445; 
Aup., vi, 369) pl. 4085 Bp eC. eal se ree arent denen ATT nO 
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