. 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. Birds; Birds; 1887. Fig. 99. — Coiling of the windpipe in the sternum of Grus americana ; reduced. (From Amer. Nat.) %>.. Fig. 100. — Coiling of the windpipe in the sternum of Gr
. 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. Birds; Birds; 1887. Fig. 99. — Coiling of the windpipe in the sternum of Grus americana ; reduced. (From Amer. Nat.) %>.. Fig. 100. — Coiling of the windpipe in the sternum of Gru$ canadensis : reduced. (From Amer Xat.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Coues, Elliott, 1842-1899; Fuertes, Louis Agassiz, 1874-1927. asn; Estes & Lauriat. prt; John Wilson and Son. prt. Boston, Estes and Lauriat
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License: Licensed
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1887
