. 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. â < 3 a 2 - 3 '-5' S-' B '^ &g a e cf5 ^ 3 " ^ s= 6 W r- D rti C^ W Et" "â ⢠thing of marveUous 5-»|g^ " ~ " ^ p p
. 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. â < 3 a 2 - 3 '-5' S-' B '^ &g a e cf5 ^ 3 " ^ s= 6 W r- D rti C^ W Et" "â ⢠thing of marveUous 5-»|g^ " ~ " ^ p p_;d c E. <i: p g <» s g^ 2 5 S 5- ,« 03 5 p p - Ki a- B S " M B 2. beauty, even as to its bony shell â there is nothing to com- pare with its exqui- site symmetry; while the spiral radiation of the nervous tissue introduces yet other " and more wondrous -^ " curves of ; '^ The vestibulehaTd- H ly requires special de- » scription; it is simply ^ the central chamber ^ common to the coeh- "' lear and canalicular cavities ; receiving the mouth of the scala vestibuli of the cochlea; the several mouths of the separate or uniting semicircular canals ; opening into tympanum by fenestra ova- lis ; conducting to meatus auditorius internus by the course of the auditory nerve. In the eagle, if its irregularities of contour were smoothed out, it would about hold a pea. In the language of human anatomy, the three semicircular canals are the (a) anterior or superior vertical, the (6) posterior or inferior vertical, and the (c) external or horizontal; aud the planes of their respective loops are approximately mutually perpendicular, in the three. 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 &
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1887
