Anatomy of the Indian elephant . Fi 1.—A, superior aperture ofjiharynx. B, root of , soft palate with larynx pro-jecting tlirougli the centre. D,pharynx. 54 STUDIES IN COMPARATIVE ANATOMY. backwards cannot be altered, as the thyroid cartilage is thereby pre-vented from being approximated to the hyoid bone. . An elephantcan, as the quotations sufficiently prove, withdraw water from his. Fig. 2.—E, E, pharyngeal pouch. F, superior constrictor. G, , hyo-glossus. K, small muscle, which diminishes the depth of thepharyngeal pouch. L, genio-glossus muscle. (For the use of the
Anatomy of the Indian elephant . Fi 1.—A, superior aperture ofjiharynx. B, root of , soft palate with larynx pro-jecting tlirougli the centre. D,pharynx. 54 STUDIES IN COMPARATIVE ANATOMY. backwards cannot be altered, as the thyroid cartilage is thereby pre-vented from being approximated to the hyoid bone. . An elephantcan, as the quotations sufficiently prove, withdraw water from his. Fig. 2.—E, E, pharyngeal pouch. F, superior constrictor. G, , hyo-glossus. K, small muscle, which diminishes the depth of thepharyngeal pouch. L, genio-glossus muscle. (For the use of the wood-cuts of figs. 1 and 2 we are indebted to Professor Turner.) stomach in tAvo ways : firsb, it may be regurgitated directly into thenasal passages ^ by the action of the diaphragm and abdominal muscles,the soft palate being at the same time depressed, so as to prevent theentrance of water into the mouth. Having in this manner filled thelarge nasal passages communicating with the trunk, the water containedin them is then forced through the trunk by means of a powerfulexpiration; or, in the second place, the water may be withdrawn fromthe cavity of the mouth by means of the trunk inserted into it. Now,in this case, it is manifestly impossible that the water can be containedwithin the cavity of the mouth itself, as I have already shown thatthe lips in the elephant are so formed as ef
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Keywords: ., bookcentury1800, bookdecade1870, bookidanat, booksubjectelephants
