. Anthropoid apes. Apes. 196 ANTHROPOID APES. of the orang, which are high and short, terminate in a beak-shaped curvature, but this is not invariably the case. In the anthropoids we have been considering, and also in several of the lower species of apes, there are three other fissures of less importance in addition to those we have mentioned, namely, the fissure parallel to the fissure of Sylvius, and placed behind it, the corpus eallosum fissure, placed immediately above the corpus eallosum on the inner side of the. Fig. 60.—Lonfritudinal section of a gorilla's^'brain (Bola and Panech). *.C7
. Anthropoid apes. Apes. 196 ANTHROPOID APES. of the orang, which are high and short, terminate in a beak-shaped curvature, but this is not invariably the case. In the anthropoids we have been considering, and also in several of the lower species of apes, there are three other fissures of less importance in addition to those we have mentioned, namely, the fissure parallel to the fissure of Sylvius, and placed behind it, the corpus eallosum fissure, placed immediately above the corpus eallosum on the inner side of the. Fig. 60.—Lonfritudinal section of a gorilla's^'brain (Bola and Panech). *.C7n, CoUoao marginal fissure. /, j>. Internal parieto-occipital fissure. /, c, Calcarine fissure, the posterior part of the hippocampal fissure. hemisphere of the cerebrum, and the calcarine fissure (Fissura calcarina) (Fig. 60). The latter ends near the point of junction of the inner and lower sur- faces of the posterior division of the hemisphere. The upper temporal convolution, termed by several anatomists Gyrus supramarginalis, is said by Gra-. 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 Hartmann, Robert, 1832-1893. New York, D. Appleton and Co.
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