TETRABELODOX. 



27 



snout which was supported by the elongated front of the lower 

 jaw. Probably the end of the upper lip and nose was free and 

 moveable, and may even have been able to grasp objects to some 



Fig. 16. 



A 



Second and third lower molars of (A) Tetrabelodou angustidens, and 

 (B) Tetrabelodon longirostris. nat. size. 



extent, but the whole arrangement seems to be rather clumsy. 

 In most groups of animals as size increases the length of 

 the neck becomes greater in proportion, so that the animal can 

 still reach the ground ; but in these early elephants, in spite of 



