. 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; 1887. AETIFICIAL KEY TO THE FAMILIES. 233 Page — exposed; length — over 9 inches; color brown or blue . Corvid^ 414 — 7-8 inches; crested; 6 glossy black Ampelid^ 325
. 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; 1887. AETIFICIAL KEY TO THE FAMILIES. 233 Page — exposed; length — over 9 inches; color brown or blue . Corvid^ 414 — 7-8 inches; crested; 6 glossy black Ampelid^ 325 —42-65; inches; bill distinctly hooked; tail soft, without black Vieeonid^ 329 —4^-5^ inches; bill slender, curved, tail stiff, acute CERTHIIDiE 272 — Birds without these characters; rictus — bristled TURIXDiE 240 — unbristled Troglodvtid^ 273 (k.) Tarsus — scntelliplantar; hind claw straight (Larks) Alaudid^ 280 — laminiplantar; bill — metagnathous, both mandibles falcate, their points crossed Frikgillid^ 339 — paragnathous, tomia of up. mand. toothed or lobed near middle (Tanagers) T^VJN'AGRiDiE 317 — epignathous, notched and hooked at tip. Length 5^-6;^ Vireonid^ 329 — various. Quills — tipped with red horny appendages; head crested Ampeltdje 325 — not appendaged; bill — flssirostral (go to 1). — dentirostral or tenui- rostral {go to m). — conlrostral (go to n). (1.) Bill triangular-depressed, about as wide at base as long, gape twice as long as culmen, reaching about opposite eyes, tarsus not longer than outer toe and claw (Swallows) . HiRUNDiKiDiE 311) (m.) Longest secondary nearly reaching end of primaries in closed wing; hind claw (usually) little curved, nearly twice as long as middle claw (Titlarks) Motacillid^ 283 Longest secondary not nearly reaching end of primaries in closed wing; hind claw well curved, not nearly twice as long as middle claw (Warblers, &c.) . CtEREBiDiK 317, or SvLVicoLiDiE 287 (n.) Bill usually thick, sto
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1887
