. 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 . nd, singularly gibbous at base, but of differentform in each of the following species, unnecessarily causing their separation intothe three genera, mentioned below ; ? sooty-brown, etc., bill simply turgid at base,much widened at end ; but may be known by having the nostrils at the middle ofthe bill or beyond it, the nail broad, fused, occupying all the tip, the frontal feathersreaching further on culmen tha


. 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 . nd, singularly gibbous at base, but of differentform in each of the following species, unnecessarily causing their separation intothe three genera, mentioned below ; ? sooty-brown, etc., bill simply turgid at base,much widened at end ; but may be known by having the nostrils at the middle ofthe bill or beyond it, the nail broad, fused, occupying all the tip, the frontal feathersreaching further on culmen than on sides of upper mandible, and forming noreentrance at its back upper corner; young ^ resembling the 9. Our threespecies inhabit both coasts, and sometimes the larger inland waters, breedingnorthward; they occur abundantly in winter along the whole length of the U. S. American Black Scoter. Bill scarcely encroached upon by the frontalfeathers, shorter than the head, black, the gibbosity superior, circumscribed,orange {$); nostrils at its middle ; tail normally 16-feathered. {(Edemia.)Plumage of $ entirely black. 9 sooty-brown, paler below, becoming 294 , DUCKS. GEN. grayish-white on the belly, there dusky-speckled, on the sides and flanksdusky-waved ; throat and sides of head mostly continuous whitish ; bill allblack; feet livid olivaceous, with black webs. $ nearly 2 feet long;wing about 10 inches: 9 18-19 inches; wing 8-9; gape 2; culmen 1^.Differs from the European in the shape and coloration of the protuberance ^^^^^^^^^ on the bill. Wils.,-i^YMrrh\>,~. .^^^^^^^^-^Yi, 135, pi. 72, f. 2; NuTT., ii, 422and 423 ; Aud., vi,343, pi. 403; Bd., 807. AMERICANA. Velvet Surf-duck. Bill broadly! encroached npon bythe frontal feathers. Fig. 193. Female Dlack Scoter, with outline of bill viewed IVum bclnw. „.. |i, „ pnlmeil lipirl v or quite to the nostrils, and on its sides to a less extent, shorter than head,black, broadly orange-tipped {$);


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Keywords: ., bookcentury1800, bookdecade1870, bookpublishere, booksubjectbirds