. 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. Birds; Birds. 284 SYSTEMATIC SYNOPSIS. â PASSEHESâ 0SCINE8. Analysis of Suh/amilies and Genera. MOTACILLIN^. Point of wing formed by first 3 primaries. Tail longer or not obviously
. 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. Birds; Birds. 284 SYSTEMATIC SYNOPSIS. â PASSEHESâ 0SCINE8. Analysis of Suh/amilies and Genera. MOTACILLIN^. Point of wing formed by first 3 primaries. Tail longer or not obviously shorter than wings, with narrow tapering feathers. Hind claw variable in length and curvature. Coloration black and white, or yellow and greenish. Tail decidedly longer than wings, doubly emarginate. Hind claw of ordinary length and curvature. Colors black, ashy, and white, in masses ... Mota^illa 29 â Tail, if anything, shorter than wings, nearly even. Hind claw lengthened and straightened. Colors yellow and green, in masses Budytes 30 Anthinjs. Point of wing formed by first 4 or 5 primaries. Tail decidedly shorter than wings, its feathers not tapering. Hind claw lengthened and straightened. Coloration brownish, the under parts streaked, upper usually also variegated. Tarsus not shorter (rather longer) than hind toe and claw. Tail moderately shorter than wing, the outstretched feet not reaching beyond its end ... Anthus 31 Tarsus shorter than hind toe and claw. Tail only about two-thirds as long as wing, the outstretched feet reaching beyond its end .... ... .... Neocorys 32 13. Subfamily MOTACILLIN/E: Wagtails. Represented in America by two species; in the Old World by nearly fifty species or vari- eties, chiefly belonging to the genus Motacilla and its subdivisions or immediate allies, of which Budytes is one, forming a perfect connecting link between Motacilla proper and the AnthincB. 29. MOTACIL'IjA. (Lat. moto-ciMa, wag-tail; name of some small bird.) White Wagtails. T
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1894
