. 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 . 252 SYSTEMATIC SYNOPSIS. — PASSEBES— Fig. 122. — Bow-billed Thrasher, (Ad. nat. del. E. C.) size; bill a little too and blacMsh instead of brown; ends of the r


. 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 . 252 SYSTEMATIC SYNOPSIS. — PASSEBES— Fig. 122. — Bow-billed Thrasher, (Ad. nat. del. E. C.) size; bill a little too and blacMsh instead of brown; ends of the rectrices scarcely or not lighter than the rest of thesefeathers; bill almost entirely dark-colored. Besides these points of coloration, there is a decided,difference in the shape of the bill. In H. rufus, the bill is quite straight, and only just about,an inch long; the gonys is straight, and makes an angle with the slightly concave lower,outline 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 and H. curvlrostris. (Lat. curvus, curved, and rostris; bow-billed.) Curve-billed Thrasher/^ 9 : Above, uniform ashy-gray (exactly the color of a mocking-bird), the wings and tail-darker and purer brown. Below, dull whitish, tinged with oohraceous, especial


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896