Page:Geological Evidences of the Antiquity of Man.djvu/502

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482
STRUCTURE OF BRAIN
CHAP. XXIV.

Upper surface of brain of Chimpanzee, distorted (from Schroeder van der Kolk and Vrolik).

a. Left cerebral hemisphere.
b. Right ditto.
c. Cerebellum displaced.

Fig. 54

Geological Evidences of the Antiquity of Man Fig. 54.png

Side view of same (from Schroeder van der Kolk and Vrolik), showing at e the extension of the displaced cerebellum beyond the cerebrum at d.

Fig. 55

Geological Evidences of the Antiquity of Man Fig. 55.png

Correct side view of Chimpanzee's brain (from Gratiolet), showing the backward extension of the cerebrum at d, beyond the cerebellum at e.

f f. Fissure of Sylvius.

Fig. 56

Geological Evidences of the Antiquity of Man Fig. 56.png