FAMILY ELEPHANTIDjE ; ELEPHANT. 319 



Elephant are shed, however, like the piilk teeth of other Mam- 

 malia, and are not renewed more than once. In the continual 

 growth of the molars, there is another analogy hetween the 

 Elephants and some sections of the Rodentia ( 231) ; although 



FIG. 162. ELKPHANT. 



the mode of renewal is different. The African and Asiatic 

 species differ from each other in the size of the tusks, which are 

 much shorter in the latter than in the former ; and also in the 

 arrangement of the plates of enamel in the molar teeth, the 

 ridges of which are nearly parallel in the latter, whilst they are 

 lozenge-shaped in the former. The trunk, which is the peculiar 



