MOERITHERIUM. 



17 



than in the upper teeth. The last lower molar (fig. 10 A) has Wall- ; 

 third ridge forming a sort of heel or talon, as it is called ; this case ^* 



Table- 

 case 24. 



tooth, though much smaller, is remarkably similar to the molars 

 of some of the earlier forms of Mastodon. 



The skeleton of Moeritherium is not well known, but some of 

 the more important points in its structure are : (1) the neck 

 is proportionately longer than in the later elephants in which it 



