. 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. Illustrated by 6 steel plates and upwards of 250 woodcuts. Birds. FALCONIDiE, DIUENAL BIEDS OF PEEY. GEN. 159. 215 10-11; wing 7; tail 5, more or less. North America, everywhere, very abundant. This elegant little hawk will be immediately recognized by its small size, and entirely peculiar coloration, although the plumage varies almost interminablj'. However the case may l^e with the AVest Indian and other 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. Illustrated by 6 steel plates and upwards of 250 woodcuts. Birds. FALCONIDiE, DIUENAL BIEDS OF PEEY. GEN. 159. 215 10-11; wing 7; tail 5, more or less. North America, everywhere, very abundant. This elegant little hawk will be immediately recognized by its small size, and entirely peculiar coloration, although the plumage varies almost interminablj'. However the case may l^e with the AVest Indian and other exotic forms, no races have been discovered in this country suiEciently marked to require designation by name. But we may, perhaps, with Mr. Eidgway (Proc. Phila. Acad. 1870, 149), recognize var. isabelUnus, as a Middle American coast form occurring in the Gulf States, although of coiu'se it shades directly into the ordinary plumage (no rufous on crown ; several lateral tail feathers variegated, the black zone an """'â¢"'â ''""'"â¢"' ""'"'⢠inch wide ; black spots on back and sides very sparse ; breast ochraceous ; $ with the black bars above unusuall^^ broad, upon a ferrugineous ground). WiLS., ii, 117, pi. IG, f. 1; iv, 57, pi. 32, f. 2 ; Ncjtt., 1,^58 ; Aud., i, 90, pi. 22; Cass, in Bd., 13; Coop., 462 sparveuius. r. U-'f Femoral Falcon. Ash^'-brown or pale slate, accordi]ig to age; forehead t and superciliary line Avhite, deepening to orange-])rowu ou the auriculars ; two ashy stripes ou side of head ; wings aud tail with numerous white liars ; under wing coverts bufly with numerous black spots; throat and breast white or tawny; belly with a broad black zone; tibial and crissum orange-browu. Length 15 or more ; wing lOJ ; tail 7^. A widely distributed South and Central American species, reaching just over our Mexican border ; it belongs to the same section of the genus as the sparrow hawk, but is not at all like t
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, bookyear1872
