. The brain as an organ of mind. Brain; Thought and thinking; Brain. 296 THE BRAIN OF QUADRUMANA. the Frontal Lobes are sliort and shallow, though as a whole its upper outline is decidedly convex. The lower and hinder boundary of the Cerebral Hemisphere, when com- pared with the corresponding region in'Man, is notable for its concavity and slanting direction from behind forwards. This is due to the marked shallowness of the Occipital. cc- FiG. 115.—Brain of the Chimpanzee, upper aspect, with upper part of Right Hemisphere cut away so as to expose Lateral Ventricle. (Vogt, after Marshall.) Lett
. The brain as an organ of mind. Brain; Thought and thinking; Brain. 296 THE BRAIN OF QUADRUMANA. the Frontal Lobes are sliort and shallow, though as a whole its upper outline is decidedly convex. The lower and hinder boundary of the Cerebral Hemisphere, when com- pared with the corresponding region in'Man, is notable for its concavity and slanting direction from behind forwards. This is due to the marked shallowness of the Occipital. cc- FiG. 115.—Brain of the Chimpanzee, upper aspect, with upper part of Right Hemisphere cut away so as to expose Lateral Ventricle. (Vogt, after Marshall.) Letters of reference for Left Hemisphere similar to those of fig. 110. c s. Corpus Striatum, iu the anterior cornu of the Ventricle; c a, Hippocampus Major, in the descending cornu ; h m. Hippocampus Minor, in the posterior cornu. Lobes in the Chimpanzee—these divisions of the Brain being wide but not deep. The same peculiarity is to he seen in the brain of the Orang (fig. 121). The Frontal Lobes in the Orang have a recurved beak- like termination (seen also in fig. 121); and if we turn the. 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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