. Comparative anatomy and physiology. Chap. IX.] SKULL OF ELEPHANT. 343 direction ; and this articular end or condyle is convex. In the sheep, on the other hand, the condyle is broad and flattened, and works upon a flattened or slightly convex glenoid facet. When a large surface of attachment for the. Fig. 144.—Section of the Skull of an Indian Elepliant, to show the Air Cavities. 6, Brain-case ; s, air sinuses; n, nostril; m, molar; t, tusk. necessary muscles is required, as in the elephant, the skull is not composed of thick bone throughout, but a finer bony tissue with a number of interveni
. Comparative anatomy and physiology. Chap. IX.] SKULL OF ELEPHANT. 343 direction ; and this articular end or condyle is convex. In the sheep, on the other hand, the condyle is broad and flattened, and works upon a flattened or slightly convex glenoid facet. When a large surface of attachment for the. Fig. 144.—Section of the Skull of an Indian Elepliant, to show the Air Cavities. 6, Brain-case ; s, air sinuses; n, nostril; m, molar; t, tusk. necessary muscles is required, as in the elephant, the skull is not composed of thick bone throughout, but a finer bony tissue with a number of intervening air cells is developed between the " tables " of the cranial bones; by these means a wider area is obtained without any proportional increase in the weight of skull to be supported (Fig. 144).. 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 Bell, F. J. (Francis Jeffrey), 1855-1924. London, Cassell
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