. Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary . l all to differ from the European by greater encroachment of feathers on bill,but the ascribed feature is not tangible. Wils., viii, 137, pi. 72, f. 3;NuTT, ii, 419 ; Aud., vi, 332, pi. 401; M. veJvetina Bd., 805. Also, Fuli-gula bimaculata Herbert, Field Sports, ii, 2d ed. 366 ; 0. himacidata Bd., 808 {immature) fusca (var?) Surf Duck. Sea Coot. Bill narrowly encroached upon by the frontalfeather
. Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary . l all to differ from the European by greater encroachment of feathers on bill,but the ascribed feature is not tangible. Wils., viii, 137, pi. 72, f. 3;NuTT, ii, 419 ; Aud., vi, 332, pi. 401; M. veJvetina Bd., 805. Also, Fuli-gula bimaculata Herbert, Field Sports, ii, 2d ed. 366 ; 0. himacidata Bd., 808 {immature) fusca (var?) Surf Duck. Sea Coot. Bill narrowly encroached upon by the frontalfeathers, on the culmen nearly or quite to the nostrils, but not at all upon its sides, about as U;vxYYTTr- long as head, with the nail narrowed anteriorly, the swelling lateral as well as superior ;^^^iiiiilL^i^^iiiii/j nostrils beyond its middle; bill of ^ orange-red, whitish on the sides, with a larije circular black spot on each side at the base; tail nor- niill v 1 4-feithored ^^ ^* ^!> ^ Sf Duck, witli outline of bill viewed from below. (Pelionetta.) g lilack, with a triangular white patch on the forehead audanother on the nape ; no white on wings ; feet orange, with dusky ANATIDiE, DUCKS. GEN. 270. 295 Size of the first; gape of bill about 2i; 9 smaller; bill black, shorter,gape about 2^; feathers of culmeo hardly or not reaching nostrils; feetdark, tinged with dusky-reddish; webs black; plumage sooty-brown, belowsilvery-gray, sides of head with much whitish, chiefly iu two patches, oneloral, the other auricular. AVils., viii, 49, pi. 67, f. 1; Nutt., ii, 416;AuD., vi, 337, pi. 402; Bd., 806 peksiicillata. Var. TEOWBRiDGEi. With the bill longer, exceeding the head, and of slightlydiflerent shape; feathers falling short of nostrils ; gape about 2f ; white frontalpatch small, its posterior border anterior to a line between the eyes, instead ofreaching or passing beyond this. Cala. Bd., 806 ; Elliot, Introd. B. A., No. 64. 270. Genus ERISMATUKA Bonaparte. *jit* Remarkab
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