. Animal and vegetable physiology considered with reference to natural theology. Natural theology; Physiology; Plant physiology; Biology. 382 THE SENSORIAL FUNCTIONS. circular canals; while to the lower anterior side of the vestibule there is attached a spiral canal, re- sembling in appearance the shell of a snail, and on that account denominated the Cochlea (k). All these bony cavities are lined with a very delicate membrane, or periosteum, and are filled with a transparent watery, or thin gelatinous fluid, which is termed by Breschet the perilymph* Within the cavity of the osseous labyrinth


. Animal and vegetable physiology considered with reference to natural theology. Natural theology; Physiology; Plant physiology; Biology. 382 THE SENSORIAL FUNCTIONS. circular canals; while to the lower anterior side of the vestibule there is attached a spiral canal, re- sembling in appearance the shell of a snail, and on that account denominated the Cochlea (k). All these bony cavities are lined with a very delicate membrane, or periosteum, and are filled with a transparent watery, or thin gelatinous fluid, which is termed by Breschet the perilymph* Within the cavity of the osseous labyrinth now. described, are contained membranes having nearly the shape of the vestibule and semicircular canals, * Recherches Anatomiques et Physiologiques sur I'organe de I'ouie et de I'audition dans THomme et les Animaux vertebres. Paris, 1836. It has also been called the Aqua labyrinthi, and the fluid of Cotunnius, from the name of the Anatomist who first dis- tinctly described 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 Roget, Peter Mark, 1779-1869. London : W. Pickering


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