. 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 . Fig. 450. —Lanner Falcon, , nat. .sizi-; not distingiiislialile in the cutfrom the Prairie Falcon. (From Brehm.) — FALCON INJi:; FALCONS. 669 (Subgenus Rhyxchodon: Pereg
. 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 . Fig. 450. —Lanner Falcon, , nat. .sizi-; not distingiiislialile in the cutfrom the Prairie Falcon. (From Brehm.) — FALCON INJi:; FALCONS. 669 (Subgenus Rhyxchodon: Peregrines.) F. (R.) peregrinus anatum. (U\t. j^eregrinus, wandering ; atiatum, genitive plural of anas,a duck. Fig. 4G0.) Ameuican Peregrine Falcon. DuckHa\yk. Great-footed medium-sized Falcon, about as large as the foregoing, but kuinvu at a glance from any birdof N. Am. by slaty-plumbeous or dark bluish-ash of upper parts, black moustache, andother marks, taken with its particular size and shape. Wings stiff, long, thin, pointed by Zdquill, supported nearly to its tip by 1st and ; 1st alone abrui)tly emarginate on inner web,about 2 inches from tip ; none cut on outer webs. Tomium of upper mandible strongly toothed,of under mandible deeply notched. Tarsus feathered but a little way down in front, otherwise. Fig. 400. - Peregrine Falcon, or Duck Hawk, i nat. size. (From Urehm.) entirely reticulate; toes very long, giving great grasp to tlie talons. Adult S 9 : Above, richdark bluisli-ash or , — very variable, sometimes quite slaty-blackish, again muchlighter bhiish-slate; the tint pretty uniform, wliatevcr it may be, over all upper parts, but alltlie featliers with somewhat paler , ami the larger ones for the part ..bscurely barredwith darker hues. Under parts at large varying from nrarly white to a peculiarmuddy^.utf of de-rers ..f intensity ; and breast usually frc markings(or only with a few
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
