IX DINOTHERIUM 23) 
also used thunderbolts. One of the giants was not slain, but 
was compelled to stand and bear up the heavens. Atlas holds 
thus the position of the Elephant supporting the globe of Indian 
mythology. 
The genus Dinotherium, sole representative of the family 
Dinotheriidae, differs in a number of important particulars from 
the true Elephants. In the Elephants, if there is but a single 
pair of incisors, these are found in the upper jaw; in Dino- 
Fic. 119.—Dinotherium giganteum. Side view of skull, 74th natural size. 
Miocene, Germany. (After Kaup.) 
therium there is apparently but a single pair, but these are 
implanted in the lower jaw, the symphysis of which is much 
prolonged and greatly bent downwards, so that the tusks emerge 
at right angles to the long axis of the head, and are even bent 
backwards. The molar teeth are five in number on each side of 
each jaw and are bi- or tri-lophodont, not unlike those of the Tapir. 
There is no cement in the valleys between the ridges of these 
teeth, and there is a regular succession, the premolars being two 
and the molars three.' All the teeth are in use at the same time, 
' There are, however, three milk forerunners of the premolars, of which one 
has no successor. 
