The cat - an introduction to the study of backboned animals, especially mammals (1881) (19964038944)

Title: The cat : an introduction to the study of backboned animals, especially mammals

Identifier: catintroduction00miva (find matches)

Year: 1881 (1880s)

Authors: Mivart, St. George Jackson, 1827-1900

Subjects: Cats; Anatomy, Comparative

Publisher: New York : Scribner's

Contributing Library: The Library of Congress

Digitizing Sponsor: The Library of Congress

Text Appearing Before Image:

chap, in.) SKELETON OF THE BEAD AND TRUNK. 6: by a foramen just behind the post-glenoid process—a post-glcnoicl foramen. This, however, is generally absent. The margin of the petrosal, above the cerebellar fossa and internal meatus, developes a bony ridge, which unites with the tentorial plate, before described as passing downwards and forwards from within the parietal. The cavity of the bulla is almost completely divided within into two very unequal parts by a bony septum which ascends from the

Text Appearing After Image:

Fig. -Vertical Section of the Auditory Bulla of the Tiger (Flower). am. Meatus auditorius externus. BO. Basi-occipital. e. Eustachian canal. ic. Inner chamber of bulla. oc. Outer chamber of bulla. pt. Promontory of petrosal. s. The septum. Sq. Squamosal. t. Tympanic ring. * The aperture of communication between the two chambers. floor of the bulla. The outer and anterior chamber is much the smaller. It is the true tympanic chamber, and has on its outer wall a horseshoe-shaped prominence and groove—the tympanic ring —to which the tympanic membrane (or membrane of the drum of the ear) is attached. It also contains three very small and irregularly- shaped bones: (1) the malleus; (2) the incus; and (3), the stapes, which stretch across from the inside of the tympanic membrane to the opposite wall of the petrosal, and are known as the auditory ossicles—ossicula auditus—and will be described together with the organ of hearing. A long process (munubrium) of the malleus is conspicuous (see Fig. 35, A), passing downwards and forwards from the upper part of the tympanic cavity. Also the Eustachian tube (e) opens into this same outer chamber, superiorly and anteriorly, while towards its hinder margin are two holes placed one above another, f 2

Die Katze eine Einführung in das Studium von Tieren mit Rückgrat, insbesondere von Säugetieren 1881 Buchillustrationen Tiere Säugetiere Bilder aus dem Internetarchiv Kongressbibliothek

1881

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