LECTURE VI. 139 



Fig. 41. Side view of the Sktill of an ancient Helvetian. 



eyebrows as forehead, on the sides as temples, above the occi- 

 pital foramen as neck, in order to obtain space for the dispro- 

 portionately large brain -, whilst in the ape the cerebral space 

 is more receding, the forehead is flattened, and the occipital 

 foramen placed further back; so that in the lowest apes it reaches 

 the limit of the base, and in the other animals is placed at the 

 posterior surface of the skull. 



Fig. 42. Siije view of the Skull of an aged Chimpanzee. 



