79 
But if we consider the proportional size of the facial bones 
to the skull proper only, the little Chrysothriz (Fig.17) differs 
AUSTRALIAN, ld] 
CHRYSOTHRIX. 
CY NOCEPHALUS, 
MYCETES. 
Fic. 17.—Sections of the skulls of Man and various Apes, drawn so as to give 
the cerebral cavity the same length in each case, thereby displaying the varying 
