. 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 . tarsus, as long as middle toe and half its claw, veryslender. Tarsus equal to middle toe without claw. Entire upper parts unvaried cinereous,slightly darker on head; this C(jlor ex
. 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 . tarsus, as long as middle toe and half its claw, veryslender. Tarsus equal to middle toe without claw. Entire upper parts unvaried cinereous,slightly darker on head; this C(jlor extending on head to include eyelids, and a little farther down(m the nape; thence in a straight line along middle of side of neck to shoulders, thence alongsides of body in a strip nearly an inch broad, the elongated fiank-feathers being also of this color:other under parts pure white, including lining of the wings. Primaries black, the greater partof their shafts and inner webs whitish. Bill black, the base of lower mandible pale; feet whit-ish-blue, black below. Length ; extent ; wing ; tail ; ; middle toe without claw , its claw ; outer toe and claw ; inner do. ;bill ; gape ; gonys ; depth of bill at base ; width S. and L. Cala. 814 SYSTEMATIC SYNOPSIS. —PYGOPODES. 345. pteron, wing.)Bill about i ; Short-wingeds loug as head. 869. B- craverU? (To F. Craveri. Fig. 551.) Murrelet. Resembles the last;questiuuably distiuct : differs iu having the under surface of the wing dark. L. California,both sides. 870. B. brachypterus? (Gr. ^paxvs, brachus, short; Tarsus said iu be longer than middle , cinereous, the wings and tailbhickish. Neck on sides and below,breast and beUy white. Length , (This is the substance ofBrandts original description. The al-h;ged species is unknown to me, and nospecimens are known to exist iu tliiscountry.) URIA. (Gr. oipla, o
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
