. 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 . piza, a finch : alluding to the closerelation of the genus to those about it.) Sage Sparrows. Bill moderate, conical, not folding considerably beyond the base of the
. 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 . piza, a finch : alluding to the closerelation of the genus to those about it.) Sage Sparrows. Bill moderate, conical, not folding considerably beyond the base of the tail, without elongated inner secondaries;point of wing formed by 2d-5th quill, the 1st between 6th and 7th. Tail not shorter than wings,of rather broad firm feathers, rounded at ends. Tarsus longer than middle toe and claw; lateraltoes of unequal lengths, the outer (longer) not reaching to base of middle claw. Embracing twoSouthwestern species, with rounded blackish tail not shorter than the wings, plumbeous-blackbill and feet, and few decided streaks, or none. These do not particularly resemble each other,and might not necessarily be associated ; nor is the genus well characterized, though differentfrom the exotic Poospiza to which the species were fonnerly referred. The larger one of thetwo species, A. belli, is sometimes placed in the genus Zonotrichia. 376 SYSTEMATIC SYNOPSIS. — FASSERES — Analysis of Species. Adult with throat black, sides not streaked, and no yellow on edge of wing bilimata 258 Adult with throat white, sides streaked, and yellow oi^P^ of wing. Smaller: wing and tail under ; dorsal streaks obsolete belli 259 Larger: wing and tail or more ; dorsal streaks distinct nevadetisls 2G0 258. A. bilineata. (Lat. biUneata, two-liued; bis, twice, Unea, a line ; alluding to the stripes onthe head. Fig. 235.) Black-throated Finch. Black-faced Sage Sparrow. ^ 9 ,adult: Face, chiu, and throat sharply jet-black ; a strong white superciliary line,
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
