ELEPHANTS. 
65 
The crowns of the grin din o -teeth are made up of a variable 
number of lamince or thin plates, each composed of an outer 
layer of enamel and a core of dentine, and bound together side 
Fig. 37. 
Skull of male African Elephant. 
Fig. 38. 
Fig. 39. 
Molars of African (38) and Indian (39) Elephants. 
to side by a substance known as cement. In the African 
Elephant each lamina, when seen in section, is lozenge-shaped, 
so that the grinding-surface of the tooth when worn has the 
F 
