THE SKULL 



97 



when contrasted with the large cranial portion of the skull, 

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



A 



FIG. 78 B. LONGITUDINAL VERTICAL SECTIONS THROUGH THE SKULLS OF A, DEER, 

 B, BABOON, AND C, MAN, TO SHOW THE RELATIONS BETWEEN THE CRANIAL 

 AND VISCERAL PORTIONS. 



vertebral axes is carried still further than in Birds (comp. Fi<?s. 

 78 A and B). 



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

 Keptiles and Birds. The parasphenoid has practically disappeared, 



H 



