128 THE STRUCTURE OF MAN 



tively large number of specimens have been examined ; and 



FIG. 78. CEREBRUM OF A FEMALE CHIMPANZEE TWO TEARS OLD. (Dorsal 



aspect.) (Showing Asymmetrical Development.) 



c.c'., c.c"., anterior and posterior central convolutions ; f.i., interparietal tissure ; f.l., 

 the longitudinal fissure ; f.p.o., parieto-occipital fissure ; fr., frontal lobes ; oc., 

 occipital lobes ; s.c., sulcus centralis. 



fr. 



FIG. 79. BRAIN OF A FEMALE CHIMPANZEE TWO TEARS OLD. (Lateral aspect.) 

 cb., cerebellum ; c.c'., c.c.", anterior and posterior central convolutions ; fr., frontal lobe ; 

 /.., fissura Sylvii ; is., island of Reil ; md., medulla oblongata ; oc., occipital lobe ; 

 pa., parietal lobe ; s.c., sulcus centralis ; tp., temporal lobe. 



further, a review of the facts known concerning the Gorilla 

 and Orang reveals statistics which may be of use to future 



