. Animal and vegetable physiology considered with reference to natural theology. Natural theology; Physiology; Plant physiology; Biology. i02 THE SENSORIAL FUNCTIONS. produce, likewise, even in birds, transverse furrows on the surface; and from the interposition of a substance of a grey colour between the laminae of the white medullary matter, a section of the cere- bellum presents the curious appearance (seen in Fig. 459), denominated, from its fancied resem- blance to a tree, the Arbor Vitce. Thus far we have followed an obvious gradation in the developement and concentration of the dif- fer
. Animal and vegetable physiology considered with reference to natural theology. Natural theology; Physiology; Plant physiology; Biology. i02 THE SENSORIAL FUNCTIONS. produce, likewise, even in birds, transverse furrows on the surface; and from the interposition of a substance of a grey colour between the laminae of the white medullary matter, a section of the cere- bellum presents the curious appearance (seen in Fig. 459), denominated, from its fancied resem- blance to a tree, the Arbor Vitce. Thus far we have followed an obvious gradation in the developement and concentration of the dif- ferent parts of the brain ; but on arriving at Man, the continuity of the series is suddenly disturbed by the great expansion of the hemispheres, (Fig. 461), which, compared with those of bear no sort of proportion to the rest of the nervous system. Both Aristotle and Pliny have asserted that the absolute, as well as the comparative size of the human brain is greater than in any other known animal; exceptions, however, occur in the case of the Elephant, and also in that of the Whale, whose brains are certainly of greater absolute bulk. 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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