Christison, J. Sanderson (John Sanderson), 1856-1908 · Chicago · leaf 78
keys the occipital convolutionsextend backwards beyond the cerebellum muchmore than they do in man. In the gibbon, chim-panzee and orang the third frontal convolutions arevery slightly developed, and in the embryos ofthese animals they are the last to develop, whereasin man they are the first. The… … FiG. II.—Brain of a marmoset ape; left side view. (After Turner.) lutions are deficient in development there is a con-sequent excess of fissures, which he regards as afundamental defect. But it will be observed from
Brain · Mind and body
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