334 



RHINOCEROS. 



Fy. 124. 



its small vertical diameter. Pallas believed that he had 

 found remains of the sockets of incisive teeth in the 



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- 

 chorMnus 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, 

 I shall notice the 

 chief modifications 

 of form under which 

 the upper molar 

 teeth of the Rhi- 

 noceros tichorkinus 

 may present them- 

 selves. 



It has been al- 

 ready observed, ""' 



Lower jaw of Rhinoceros ticliorliinus, Cave, . 



Wirksworth. j nat. size. that, in the cave at 



* Ante, p. 259. 



