﻿11. arctos, Torbryan Caves, 



Torquay (Mus. of Pract. 



Geol., Jermyn St.). 



PLATE VI. 



Pleistocene Bears. 



Permanent Dentition. 



(Natural size.) 

 Fig. 



1. Left upper teeth seen from the inner side 



2. Left lower teeth seen from the inner side 



3. Left upper teeth seen from the outer side 



4. Left lower teeth seen from the outer side 



5. Grinding surface of left m. 3 of U. spelxus, Kent's Cavern, Torquay (Brit. 



Mus.). 

 ha. Grinding surface of left m. 3 of U. arctos, Torbryan, Torquay (Brit. Mus.). 

 6«. Left pm. 4 U. spelseus, mandible No. M. 5995, Cromer Forest Bed (Brit. 



Mus.). 

 6 b. Left pm. 4 IT. ferox (horribilis), mandible No. 22029, Grays, Essex (Brit. 



Mus.). 

 6 c. Right pm. 4 TJ. spelseus, mandible from Bacton (Brit. Mus.). 

 6d. Right pm. 4 U. arctos, a recent skull, No. 96.4.27.1, from Jesso, Japan 



(Brit. Mus.). All the teeth in fig. 6 are seen from the inner side. 

 a. Anterior cone. 

 h. Posterior cone. 



c. Inner cusp or lobe. 



d. Anterior external cusp. 



e. Outer tubercle. 



In fig. 6, 1 = anterior ] . 



of the small cusps referred to m the last column ot 



2 = middle L 



the table on p. 31. 



3 = posterior J 



