. 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 . 0; the undermandible especially more robust. SouthernEocky Mts.; westward to the Sierras Ne-vadas, and southward on the table lands ofMexico to Guatemala. L. c. mexicana offormer e
. 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 . 0; the undermandible especially more robust. SouthernEocky Mts.; westward to the Sierras Ne-vadas, and southward on the table lands ofMexico to Guatemala. L. c. mexicana offormer eds. of the Key ; L. c. stricklancli, S. Nat. Mus. viii, 1885, p. 354; A. 0. , 1886 and 1895, No. 521 (Gr. XfVKos, leukos, ^white; (ttiktt], sticte, varied. Fig. 248.) RosyFinches. Bill small, conic-acute, ruffed atbase with antrorse plumules meeting over cul-men and concealing short nasal fossa^ andsmall nostrils. Side of under mandible (intypical species) with a sharp ridge runningobliquely upward and forward. Culmenridged between two slight dejiressions parallel with itself, gently convex throughout. Noobvious angulation of commissural edge of upper mandible; that of lower with decided bend ;gonys straight. Wings long, folding beyond middle of tail, tipped by first 3 primaries, 4thshorter. Tail of moderate length, forked, its feathers rather broad, its coverts reaching about. Mexican Crossbill. (L. A. Fuertes.) : FINCHES, BUNTINGS, SPARROWS. 387 ^ way to end. Tarsus not sliorter than middle toe without cdaw; lateral toes unequal, innersliorter, its claw not reaching base of middle claw. Hind claw about as long as its digit, morecurved and longer than middle claw. Sexes somewhat dissimilar. Coloration peculiar; usuallycliocolate-brown, enriched with rose or carmine, shaded with silvery-gray or black; one speciesmostly silvery-gray. The American representative of the Old World genus MontifringUla, ofwhich some authorities make it a su
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
