THE TEETH OF PROBOSCIDEA. 



S61 



FIG. 154 ('). 



-j-N.S. 



(*) Molar of African Elephant. E. Enamel. D. Dentine. C. Cementuni. 



( 2 ) Molar tooth of African Elephant, showing the form of its roots, &c. 

 a. Dentine, c. Ceinentum. e. Enamel. 



( 3 ) Molar tooth of an Asiatic Elephant, showing the transverse plates of 

 dentine bordered by enamel. 



