. 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 . are subjected 1)y idlers goes on, they must before long be exterminated. Gre-garious, frugivorous, and granivorous ; not regularly migratory, but roving. Said to breed incompanies
. 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 . are subjected 1)y idlers goes on, they must before long be exterminated. Gre-garious, frugivorous, and granivorous ; not regularly migratory, but roving. Said to breed incompanies in hollow trees; eggs whitish, X 1-05, elliptical in shape, rough in texture. IV. Order RAPTORES: Birds of Prey. Bill epignathous, cered; andfeet not sygodactyle. The rapa-cious birds {Baptores, Baptatoresor Accipitres of authors, Aeto-morplice of Huxley) form a fairlynatural assemblage, to which thisexpression furnishes a clew.(The parrots, probably the onlyother birds with strongly hookedand truly cered bill, are yoke-toed.) The Baptores presen^several osteological and other an-atomical characters. The sternum is ample and deep keeled,its posterior margin doubly orsingly notched or fenestrate oneach side, or entire with centralemargination; the furculum an-chylosed or not. Angle of man-dible not recurved; maxillo-palatines united to an ossifiedseptum ; rostrum arched andhooked; basipterygoid processes. Fig. 348. — Death as a bird of prey. (From Michelet.) BAPTORES: BIRDS OF PREY. 497 present or absent. Hallux always present, usually valid and insistent; outer toe reversible insome cases, never permanently reversed. The ambiens is present (except in Striges); all ex-cepting Gypogeranides and some Cathartides possess the femoro-caudal muscle, but not itsaccessory, nor the semi-tendinosus nor its accessory (excepting Cathartides, which have the twolast named, and Gypogeixmides, which have these and the accessory femoro-caudal). Ccecaare present (except in Cathartides). Th
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
