. 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 . antle pale pearl-blue, much lighter than in franklini. Endsof inner secondaries and scapulars scarcely lighter than back. Primaries: shafts of first 5-Gwhite, except at extreme tip


. 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 . antle pale pearl-blue, much lighter than in franklini. Endsof inner secondaries and scapulars scarcely lighter than back. Primaries: shafts of first 5-Gwhite, except at extreme tips, the others dark-colored; 1st, outer web and extreme tip black,rest white ; 2d, white, its tip black for a greater distance than on 1st, and on one or both webs,for a greater or less distance (sometimes half-way down the feather) narrowly bordered withblack; 3d to fitii, black at ends for about the same distance on each, the black bordering theinner web much farther than the outer; inner webs of 3d and 4th, and both webs of 5th and6th, of a rather lighter shade of the color of the back. Other primaries like back; 7th and 8thwith a touch of black on one or both webs near tip; 3d to (Jth primaries with a white or pearly-white speck at extreme tip. As is not the case with either of the preceding species, the pri-mary wiriii-coverts, bastard quills, etc., are wholly or in great part white, causiuir tlie wliole. l;,.uu. •wing to be bordered with white as far as the carpus. Neck all around, and under parts, in-cluding under wing-coverts, pure wliite; belly rosy in breeding time. No difference in colorbetween the sexes. Adult, winter plumage: Bill light c(dorod at base below; feet before eye, and patch below auricnlars, deep slate. Crown and occiput mottled witligrayish-black and white. Back of neck washed over with color of mantle. Forehead, sides ofhead and throat, white, continuous with white of under parts. Young, first winter: Bill( ficsh-color


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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica