. 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 . nger than middle toe and claw. Above ashy-brown, be-low wliite ; lateral tail-feathers and bases of primaries white. (Tarsal scutella always distinct.)M. polyglottus. (Lat. polijgl
. 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 . nger than middle toe and claw. Above ashy-brown, be-low wliite ; lateral tail-feathers and bases of primaries white. (Tarsal scutella always distinct.)M. polyglottus. (Lat. polijglottus, many-tongued ; Gr. ttoXvs, poliis, many; yXarra, glotta,tongue. Fig. 143.) Mockingbird. ^J, adult: Upper parts ashy-gray; lower parts soiledwhite. Wings blackish-brown;primaries, except the Jst, markedwith a large white space at base,usually restricted on outer quillsto half or less of these feathers,but occupying nearly all of innerquills. The shorter white spacesshow as a conspicuous spot whenthe wing is closed, the longer innerones being hidden by the second-aries. Wing-coverts also tippedand sometimes edged with white;and there may be much edgingor tipping, or both, of the quillsthemselves. Outer tail-featherwliite; next two white, except onouter wel>; next usually whitetoward end; the rest sometimestipped with white. Bill and feetblack, the former often pale atbase below; soles dull Fio. 1-13.—Mockingbird, about § nat. size. (After Wilson.) Length about (); extent about (); wing ; ; bill ; tarsus 9j adult: Similar, but colors less clear and pure; aboverather brownish- than grayish-ash, below sometimes quite brownish-white, at least on and wings with less white than as above described. But the gradation in these featuresis by imperceptible degrees, so that there is no infallible color-mark of sex. In general, theclearer and purer are the colors, and the more white there is
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
