TETRABELODON. 



27 



the great increase in size, the neck actually shortened, audit was 

 only this extraordinary lengthening of the snout that enabled 

 the animals to reach the ground. It seems certain that all the 

 sub-divisions of the Proboscidea must have passed through this 

 iongirostrine stage. 



The next stage in this strange history is found in Tetra- 

 belodon longirostris (fig. 15, 16) (Pier-cases 41, 42 ; Table-case 



Skull and mandible of Tetrabelodon longirostris, from the Lower 



Pliocene, Eppelsheim, Hesse-Darmstadt. 

 ., lower incisor; m. 2-3, second and third molars. About J^ nat. size. 



23), aji elephant of which the remains are common in the Lower 

 Pliocene of Eppelsheim in Germany and other localities. In 



