. 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 . bscured or oblit-erated by smoky-gray. Coast region of Alaska. 361. P- c- obscurus. (Lat. obscurus, obscure.) Oregon Jay. More different: dark hoodencroaching on crown, not well de
. 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 . bscured or oblit-erated by smoky-gray. Coast region of Alaska. 361. P- c- obscurus. (Lat. obscurus, obscure.) Oregon Jay. More different: dark hoodencroaching on crown, not well defined ; upper parts umber-brownish rather than plumbeous,the feathers with white shaft-lines; tail not distinctly tipped with Avhitish. Pacific coastregion, Oregon to Sitka. 362. P. c. capitalis. (Lat. capitalis, capital, relating to the head, caput.) Rocky MoitntainJay. General color ashy-plumbeous, or leaden-gray, paler below; wings and tail blackish,with a peculiar glaucous shade, as if frosted or silvered over. The body-color giving way onthe breast and neck to whitish, established as hoary-white on the head, isolating the narrowwell-defined nuchal band of sooty-gray. No white lines on back ; tail-feathers distinctly tippedwith whitish, and much edging of the same on the wings. Tiie clearer colors generally — backrather bluish-gray than brownish-gray, very white head with narrow nuchal band — produce. 426 SYSTEMATIC SYNOPSIS. — PASSERES— OSCINES. a bird differing visibly from the ordinary gray jay. The changes of plumage with age areparallel. Size at a maximum. Length about ; extent ; wing and tail, each, ; bill ; tarsus ; middle toe and claw S. Rocky Mt. region, especiallyColorado, Wyoming, N. New Mexico and Arizona, Idaho and Montana, northward shadinginto typical canadensis. The high mountains of Colorado furnish the extreme cases. 115. 19. Family STURNID^: Old World Starlings. A family confined tothe Old World : difficultto charac
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