THE PERISSODACTYL UNGULATES 



213 



third upper incisor. All the cheek teeth are low crowned for 

 the Tapir is a forest animal browsing upon shoots, buds and 

 leaves. Its dental formula is: 



1 4, Ct.P-I.m4. total 42. 



o 1 o o 



The skull figured is that of a young specimen of the so- 

 called Indian Tapir, Tapir indicus (Fig. 77) which, however, is 

 found not in India proper but in the Malay Peninsula, Suma- 



Fig. 77. — Dentition of Asiatic Tapir (Tapir indicus, 9.721-1). This is a young 

 animal in which the permanent dentition is just beginning to replace the milk teeth. 

 The only representatives of the permanent set erupted are the first and second incisors 

 and the first molars. All the other teeth are deciduous. This figure should be exam- 

 ined in connection with the Premolar Analogy Theory (see pp. 61, 103). Note that the 

 elongation of the crowns of all the milk molars and of the first permanent molars lies 

 in the cusps rather than in the tooth bodies. 



tra and Borneo. In consequence of its youth the third upper 

 incisor is only just erupting, the upper canine and second and 

 third molars of both jaws are still unerupted, and the lower 



