. 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. THE ANATOMY OF BIRDS.âNEUHOLOGT. 189 3 â Q t> P ⢠stapes were unstepped (in life, of course, botli these " windows " are closed by membranous curta
. 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. THE ANATOMY OF BIRDS.âNEUHOLOGT. 189 3 â Q t> P ⢠stapes were unstepped (in life, of course, botli these " windows " are closed by membranous curtains). Now in birds the cochlear cavity and its bony or cartilaginous contents are only the beginnings of such structureâa strap-shaped or tongue-like protrusion from the vestibule, as if a part of the first mammalian whorl, and very incompletely divided into scala vestibuli and scala tympani by a gristly structure (rep- resenting the modi- olus and its lamina), which proceeds from tlie bony bar or bridge between fenestra ova- lis and fenestra ro- tunda. (See figs. 84, 85.) This structure is the most intimate and essential part of the organ of hearing, for upon it spread the terminal filaments of the auditory nerve. A human or any well-developed mam- malian cochlea is a. 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. 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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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1887
