. 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 . ic ; onSt. Georges, one of thePrybilov grouji, for ex-ample, the birds go fly-ing art)und the island ingreat files and platoons,always circling against orquartering, on the wing,at
. 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 . ic ; onSt. Georges, one of thePrybilov grouji, for ex-ample, the birds go fly-ing art)und the island ingreat files and platoons,always circling against orquartering, on the wing,at regular hours in themorning and the even-ing, making a dark gir-dle of birds more than aquarter of a mile broadand thirty miles long,whirling round and round the island, and forcing upon the most casual observer a lasting im-pression. Lomvia arra of former editions of the Key. ALCA. (Lat. from Icelandic alka, Teutonic alk, an Auk.) Razor-billed Auk. Size,form, and general aspect of the last genus. Bill shorter than head, densely feathered forhalf its length, the feathers extending on upper mandible beyond middle of commissure, thoseon lower somewhat farther. Bill greatly compressed, cultrate, sulcate, hooked ; culmen ridged,regularly convex; commissure straight to the hook; gonys about straight. Nostrils linear,marginal, densely feathered. Tarsi scutellate in front. Tail short, pointed, of 12 stiiBsh, acute. Fig. 7-tlj. — Murres. — : MURRES AXD AUKS. 1085 feathers. Wings normal, effective for tiight. Bicolor. Egg single, colored. One of former editions of the Key. A. torda. (Name of the bird lord or tordmule.) Kazor-billed Auk. Tinker. Adult$9 ,m summer: Bill and feet black, former with a white line occupying the length of middlesulcus on both mandibles; mouth yellow; eye hazel-brown or bluish. A strict, sunken line
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
