HYRACOIDEA AND PROBOSCIDEA. 389 



the molars of the Mastodons. The animal must have 

 attained an enormous size, and it is probable that the curved 

 tusks were used either in digging up roots or in mooring 

 their possessor to the banks of rivers, for its habits were 

 probably aquatic or semi-aquatic. The little that is known 

 of the skeleton, except the skull, would confirm the reference 

 of the genus to the Prohoscidea. 



Deinotherium is only known from the Miocene deposits, 

 and D. giganteum seems to be the only species. Its remains 

 are found in Germany, France, and Greece, but it has not 

 been discovered in America, and probably did not exist in 

 the N'ew World. 



