. 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. 818 SYSTEMATIC SYNOPSIS. —PYGOPODES. this bare turgid space flesh-colored im life, drying pale yellowish. Length ; extent ; wing ; tarsus ; bill alon
. 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. 818 SYSTEMATIC SYNOPSIS. —PYGOPODES. this bare turgid space flesh-colored im life, drying pale yellowish. Length ; extent ; wing ; tarsus ; bill along culmen , along gape ; gonys ; depth at angle , width at base of nostrils , at angle of mouth N. Atlantic and Polar and N. Pacific shores and islands, in myriads; on the Atlantic S. in winter to the Middle States, breeding from the Grulf of St. Lawrence northward. The N. Pacific form, unquestionably of the " thick-billed" species, does not exhibit the extreme of shortness and stoutness as just described for the At laiitic; with a cul- men of about , the depth opposite nostrils is hardly , thus less than haK the length of culmen, instead of about half j gape nearly The sides of the up- per mandible are char- acteristically dUated and denuded, of a. Fig. 558. — Californian Guillemot,'nat. size. glaucous bluish color; the tip of the bill is less deflexed, though more so than in the common guillemot. This is the great " egg-bird" of the high N. Pacific; on St. George's, one of th" PrybUov group, for example, the birds "go flying around the island in great files and platoons, always circling against or quartering, on the wing, at regular hours in the morning and the ' evening, maiing a dark girdle of birds more than a quarter of a mile broad and thirty miles long, whirling round and round the island, and forcing upon the most casual observer a lasting ; The N. Pacific form is L. arra proper; t
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1894
