128 THE STRUCTURE OF MAN 
tively large number of specimens have been examined; and 
fr. 
is 
TT, 
iN ‘ 
ap 
iW Ngee 
ie isis 
SS: 
SSS 
Hii) 
Yelle 
Fic. 78.—CEREBRUM OF A FEMALE CHIMPANZEE TWO YEARS OLD. (Dorsal 
aspect.) (Showing Asymmetrical Development. ) 
c.c’., ¢.c’., anterior and posterior central convolutions ; f.7., interparietal fissure; //., 
the longitudinal fissure ; /.p.o., parieto-occipital fissure ; f7., frontal lobes; oc., 
occipital lobes ; s.c., sulcus centralis. 
Fic. 79.—BRAIN OF A FEMALE CHIMPANZEE TWO YEARS OLD. (Lateral aspect.) 
cb., cerebellum ; c.c’., ¢.c.”, anterior and posterior central convolutions ; /r., frontal lobe ; 
j.s., fissura Sylvii; is., island of Reil ; md., medulla oblongata ; oc., occipital lobe ; 
pa., parietal lobe ; s.c., sulcus centralis ; ¢p., temporal lobe. 
further, a review of the facts known concerning the Gorilla 
and Orang reveals statistics which may be of use to future 
