xJ(> ELEPHANTS. 



made about the upper cheek-teeth are equally true of the 

 lower. The neck seems to have been a little longer and more 

 flexible than in the modern elephant, but the limbs and other 

 parts were much the same. This animal when living (fig. 14) 

 must have been still more like an elephant than Palteo- 

 mastodon, and the most noticeable difference would be that 

 here also, instead of the flexible trunk, there was a long stiff 



Fig. 14. 



Restoration of Tetrabelodon aiigustidens. 



snout, which was supported by the elongated front of the lower 

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

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

 extent, but the whole arrangement seems to have been 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 



