354 
its small vertical diameter. 
RHINOCEROS. 
Pallas believed that he had 
found remains of the sockets of incisive teeth in the 
Fig, 124. 
Lower jaw of Rhinoceros tichorhinus, Cave, 
Wirksworth. } nat. size. 
* Ante, p. 259. 
symphysis, and such 
traces are shewn 
by one of the spe- 
cimens from Rugby, 
in the Geological 
Museum at Oxford; 
a structure, as Cu- 
vier justly remarks, 
- which approximates 
the Rhinoceros ti- 
chorhinus to the one- 
horned Rhinoceros 
of Asia. 
Fig. 124 shews 
the breadth of the 
symphysis, and the 
grinding surface of 
the lower molar 
teeth ; but, before 
adverting to these, 
IT shall notice the 
chief modifications 
of form under which 
the upper molar 
teeth of the Rhi- 
noceros tichorhinus 
may present them- 
selves. 
It has been al- 
ready observed, * 
that, in the cave at 
