Class-book of physiology : for the use of schools and families : comprising the structure and functions of the organs of man, illustrated by comparative reference to those of inferior animals . rd.—The vertebra?are cut through, so as to display a lateral view of the cord. Fioure 3. The Cerebellum.—A, Anterior view. B, Posterior view. Figure 4. A Vertical Section of the Brain, showing the Origins of its * a, a, The cerebrum, with its convolutions, b, The cerebellum, displaying the arbor-vita>upon its section, c, The medulla oblongata, d, The corpus callosum, a band of fibreswhich con
Class-book of physiology : for the use of schools and families : comprising the structure and functions of the organs of man, illustrated by comparative reference to those of inferior animals . rd.—The vertebra?are cut through, so as to display a lateral view of the cord. Fioure 3. The Cerebellum.—A, Anterior view. B, Posterior view. Figure 4. A Vertical Section of the Brain, showing the Origins of its * a, a, The cerebrum, with its convolutions, b, The cerebellum, displaying the arbor-vita>upon its section, c, The medulla oblongata, d, The corpus callosum, a band of fibreswhich connects the two hemispheres of the brain, c, The eye. /, The first pair of , The second pair, h, The third pair, i, The fourth pair, j, The fifth pair, k, The sixthpair. I, The seventh pair, m, The eighth pair, n, The ninth pair, o, The tenth pair.», The eleventh pair, q, The twelfth pair, r, Spinal nerves. Figure 5. A Horizontal Section of the Brain, showing its Interior.—a, a, Tho cineritious or gray substance at the outside of the brain, following the convolutions. b, b, The white or medullary substance at the inside of tho brain, c, c, The lateral and middle THE NERVOUS SYSTEM. 141 FUNCTIONS OF THE CEREBELLUM. 306. Much discussion has taken place in regard to thefunctions of the cerebellum. It seems to be now agreed,however, by the most intelligent physiologists, that it isthe organ which is more especially connected with experiments have been made on living animals,all of which go to show that, after the removal of thecerebellum, the power of executing those movementsnecessary to locomotion is lost. The faculties of volitionand sensation remain; but the power to walk, fly, or evenstand, is uniformly lost, from the inability to combine theaction of the muscles in groups. 307. From facts of this character, it seems to be mostprobable that the function of the cerebellum is to harmon-ize and regulate the actions of the voluntary muscle
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