. 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 . rst the black space is broad and deep in color; when about li inches from the apex of thequiU it quite suddenly grows -v^dder, so as to exclude the white portion from the tip altog
. 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 . rst the black space is broad and deep in color; when about li inches from the apex of thequiU it quite suddenly grows -v^dder, so as to exclude the white portion from the tip second, third, and fourth primaries have the same general pattern, but the white runsup further on the central portion than on the edge of the web, so that toward its end itreceives a narrow edging of blackish. The other primaries have no blackish, but are simplypearl-blue, with broad white margins along the whole length of their inner webs. The outerprimaries are all heavily silvered when the quills are new. Dimensions of the adult: inches; extent ; wing from the carpus ; tail ; depth of emargi-nation ; bill along culmen ; along gape ; its height at base ; width, ditto,; length of rami from feathers on side of lower mandible ; gonys (longer thanrami) ; tarsus ; middle toe and claw, slightly longer. Adult, winter plumage : Yellow. 762 SYSTEM A TIC SYNOPSIS. — L ONGIPENNES — GA VIJE. tip of bill less in extent and intensity of color ;^^t white, either pure or speckled with black ;crown variegated with black and white, the former color consisting of small, narrow, distinctstreaks along the shaft of each feather; but the long occipital crest, which does not entirelydisappear at this season, usually remains of an unmixed brownish-black. Lateral tail-feathersshorter than in summer. Young-of-the-year : Considerably smaller than the adult, as is usualin this subfamily, the wing being a full half-inch s
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
