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ANATIDEH, DUCKS.—GEN. 260-1. 289 
cinereus of South America, both related to our gen. 264; there are but very few 
others. .The genus Hrismatura is the type of a small remarkable group, as noticed 
beyond, sometimes considered as a subfamily. Biziura lobata of Australia, 
with a fleshy appendage under the bill, the African Thalassornis leuconota, the 
$ Nesonetta aucklandica, and several species of Hrismatura, compose the subgroup. 
260-1. Genus FULIGULA Stephens. 
*@ with the head, neck, and body anteriorly, black, the former glossy ; lower 
back, rump, tail and its coverts, blackish ; below, white, with fine black waving on 
the sides and lower belly; 9 with the head and anterior parts brown, with or 
without pure white around the-bill, and. other black parts of the ¢ rather brown ; 
é Q bill black and blue, or dusky; feet livid. (fuliz.) 
Greater Scaup Duck. Big Black-head. Blue-bill. Raft Duck. Flock- 
ing Fowl. Shuffler. No ring round neck ; speculum white; back and sides 
whitish, finely waved in zigzag with black; gloss of head green; bill dull 
blue with black nail; legs plumbeous; ¢ with the face pure white, the 
black-and-white vermiculation less distinct. About 20 long; wing 9. N. 
Am. WILs., viii, 84, pl. 69, f.3; Nurr., ii, 437 (includes next perieaye 
Aup., vii, 395, pl. 498 (not of vi, 316); Bp., 791. ... . . .. MARIA. 
?Lesser Scaup Duck. Little Black-head Gath other names of the fore- 
going). Extremely similar; smaller, about 16; wing 8; gloss of head 
chiefly purple; flanks and scapulars less closely waved with black? It is 
very difficult to define this bird specifically, and it may be simply a small 
southern form; but it appears to preserve its characters, although constantly 
associated with the last. #. marila Aup., vi, 316, pl. 397;-#. minor 
Giravup, Birds of Long Island, 323; F. affinis Bp., 791. . . AFFINIS. 
Ring-necked Duck. An orange-brown ring round the neck; speculum 
gray; back nearly uniform blackish; bill black, pale at base and near tip ; 
2 with head and neck br own, and no collar, but loral space and chin whitish, 
as is a ring round eye; bill plain dusky. In size between the foregoing. 
N. Am. Ww ILS., viii, 60, pl. 67, f. 5; Nurt., ii, 489; Aup., vi, 320, pl. 
398; Bp. 792. . .~ coOLLaRIs. 
** @ with the head and neck 
chestnut, pure or obscured, in the 
& plain brown; body anteriorly, 
rump and tail coverts, black, in the 
9 dark brown ; back, scapulars and 
sides plumbeous-white, finely waved 
with black, less distinct in the 9 ; 
speculum bluish-ash. Length about 
20; wing 9-10; tarsus 12-12. 
(Aythya.) 
Red-head. Pochard. Bill 
dull blue with a black belt at pepe eae 
the end, broad and depressed, shorter than head (2 or less), the nostrils 
within its basal half; color of head rich pure chestnut, with bronzy or red 
KEY TO N. A. BIRDS. 37 
i hs. 
