THE SKULL 



97 



when contrasted with the large cranial portion of the skull, 

 and the reduction of the angle between the basi-cranial and 



Fig. 78 i;.— Lonuitudinal Vertical Sections through the Skulls of A, Deek, 

 ' B, Baboon, axd C, Man, to show the Kelations between the Cranial 

 AND Visceral Portions. 



vertebral axes is carried still further than in Birds (comp. Figs. 

 78 A and B). 



The base of the skull is mainly preformed in cartilage, as in 

 Keptiles and Birds. The parasphenoid has practically disappeared, 



