THE DINOSAURS 



103 



counterbalance the 

 weight of the face 

 and jaws. When 

 we restored the 

 skull of this ani- 

 mal it was found 

 that the centre of 

 gravity lay back of 

 the eye. Several 

 of the bones of the 

 neck are united in 

 one mass to fur- 

 nish a firm attach- 

 ment for the mus- 

 cles that support 

 and move the 

 skull, but as the 

 movements of the 

 neck are already 

 restricted by the 

 overhanging frill, 

 this loss of motion 

 is no additional dis- 

 advantage. 



To support all 



