. 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 . i 252 SYSTEMATIC SYNOPSIS. — PASSEBES— Fig. 122. — Bow-billed Tliraslier, (Ad. nat. del. E. C.) size; bill a little too aud blackish iu&tead of browu ; ends of
. 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 . i 252 SYSTEMATIC SYNOPSIS. — PASSEBES— Fig. 122. — Bow-billed Tliraslier, (Ad. nat. del. E. C.) size; bill a little too aud blackish iu&tead of browu ; ends of the rectn^ scarcely or uot lighter than the rest of thesefeathers ; bill almost entirely dark-colored. Besides these points of coloration, there is a decideddifference in the shape of the bill. In H. riifus, the bill is quite straight, and only just aboutan inch long; the gouys is straiglit, and makes an angle with the slightly concave loweroutline of the mandibular rami. In H. longirostris, the bill is rather over an inch long, andsomewhat curved; the outline of the gonys is a little concave, making with the ramus one con-tinuous curve from base to tip of the bill. Size of H. rufus. Texas aud Mexico. 19. H. curvirostris. (Lat. citrviis, curved, and rostris; bow-billed.) Curve-billed Thrashek.^ 9 • Above, uniform ashy-gray (exactly the color of a mocking-bird), the wings and taildarker aud purer brown. Below, dull whitish, tinged with ochraceous,
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
