. 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. \>!5,*Ji^ Fig. B36. — Horn-billed Auk, adult in summer, nat. size. (From Elliot.) extent ; wing ; tail ; tarsus ; middle toe , its cla
. 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. \>!5,*Ji^ Fig. B36. — Horn-billed Auk, adult in summer, nat. size. (From Elliot.) extent ; wing ; tail ; tarsus ; middle toe , its claw ; outer do. , its claw ; inner do. , its claw ; greatest depth of bill ; greatest width ; chord of culmen , of which the terminal part is ; gape about ; gonys ; greatest depth of upper mandible ; nostrils Adult in winter : Plumage as in summer ; crests retained; iris "pale ; Basal part of bill dark-colored, without the above-named deciduous. 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
