. 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, inclusive of Greenland and Lower California, with which are incorporated general ornithology: an outline of the structure and classification of birds; and field ornithology, a manual of collecting, preparing, and preserving birds . ressed, densely feathered for some distance at •base, but not to the nostrils, which are nan-owlyoval, overhung by a projecting scale or shield,which is deciduous. Profile of biU o
. 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, inclusive of Greenland and Lower California, with which are incorporated general ornithology: an outline of the structure and classification of birds; and field ornithology, a manual of collecting, preparing, and preserving birds . ressed, densely feathered for some distance at •base, but not to the nostrils, which are nan-owlyoval, overhung by a projecting scale or shield,which is deciduous. Profile of biU oval; ofupper mandible narrowly oval; culmen gentlyconvex, declinate, tomial edge more convex, ac-clinate, meeting at an obtuse tip; lower mandi-ble extremely slender, falcate, curved upward,with concave tomia, very convex gonys, andacute point. Frontal feathers embracing cul-men with a reSntrance, thence dropping per-pendicularly to commissure; those on lowermandible not reaching quite so far; interramalspace fully feathered. Adult: In summer withthe nasal saddle, moulted in one piece in winter; shape of bUl not materially altered, however,the piece being small and flattish. Bill vermilion or coral-red, usually enamel-yellow at tipand along edges. No curly crest on forehead, but a series of long white filamentous feathersfrom the eye downward and backward. Entire upper parts, with chin, throat, breast, and. Fig. 539. — Parroquet Auk, nat. W. EUlott.) (Ad nat. del. ALCID^—PHALEBIBIN^: AUKS. 807 flanks sooty brownish-black, grayer below than above; other under parts white; lining ofwings dark. Feet dull greenish or yellowish, darker behind and below. Length about ;wing ; fail «; .t&rsus about ; middle toe alone ; chord of eulmen orgonys ; gape ; depth of bill ; width Young: No white filamentous feath-ers on head ; a white spot on lower eyelid; upper ^^parts as before, under parts white, marbled andmottled with dusky ends
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
