LECTURE VI. 



145 



we obtain for the proportion of the facial skeleton the following 

 numbers : Europeans = 10"9 ; Austral Negroes = 21"3 ; orang 

 = 52-3; gorilla = 54-1. 



Fig. 47. Skull of an Idiot, afber Owen, side view. 



Fig. 48. Skull of an Idiot, after Owen, base view. 



Thus from every point of view there always presents itself a 

 great interval between man and ape in the conformation of the 

 skull, occasioned by the relative proportion of the cranial and 



