. The brain as an organ of mind. Brain; Thought and thinking; Brain. Chap. XXIIL] OF THE HUMAN BRAIN. 461 subdivision of tlie surface of tlie organ will be best com- preliended from figs, 156,162, 165. These show the rami- fied nature of the peripheral segments of the Cerebellum and the large proportional bulk of its surface grey matter, when compared with the mass of ' white substance ' which this matter everywhere encloses, except in the direction of its Peduncles. The Pedun- cles of the or- gan, of which there are three pairs, are the parts that serve to connect it with other di- visions of
. The brain as an organ of mind. Brain; Thought and thinking; Brain. Chap. XXIIL] OF THE HUMAN BRAIN. 461 subdivision of tlie surface of tlie organ will be best com- preliended from figs, 156,162, 165. These show the rami- fied nature of the peripheral segments of the Cerebellum and the large proportional bulk of its surface grey matter, when compared with the mass of ' white substance ' which this matter everywhere encloses, except in the direction of its Peduncles. The Pedun- cles of the or- gan, of which there are three pairs, are the parts that serve to connect it with other di- visions of the Brain and with the Spinal Cord. The Upper Peduncles of the Cerebel- ^^'^- 165.—The upper Peduncles of the Cerebellum, the , xi • 1 Fourth Ventricle, and contiguous parts. (Sappey, after lUm are tniCK Hlrschfeld.) l, Median groove in floor of fourth ventricle; bands of fibres ^' ^^^*® fibres by -which the auditory nerve terminates; 3, inferior Cerebellar Peduncle ; 4, posterior median column ; that proceed. 5, superior cerebellar Peduncle, crossing the inferior on its fvnm itQ nn ^"^^^ side; 6, 7, upper and posterior aspect of the Cerebral nuiU ILb dll' Peduncle ; 8, Corpora quadrigemina. terior border in a slightly convergent direction to the posterior pair of the ' quadrigeminal bodies,' beneath which they pass. In this situation they decussate, and the fibres of each set then proceed to a large nucleus of ganglionic matter, in the upper or sensory portion of the Crus Cerebri, usually known as the ' red nucleus.' Thence the course of these or of related fibres is uncertain, but they are now com-. 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 Bastian, H. Charlton. N. Y. , Appleton
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