346 



RHINOCEROS. 



premolar and the three true molars in situ. The antepenul- 

 timate true molar is worn low, and the last tooth is well ad- 

 vanced in wear (PL XXII. fig. 4). In form, proportions, and 

 size, the teeth agree very closely with those of Mr. Gunn's 

 specimen. The second Val d'Arno specimen (No. 28,803 

 MSS. Palseont. Cat.) contains the penidtimate and last true 

 molars of the left ramus of the lower jaw. In form and size, 

 they are exactly the counterpart of No. 28,802. The follow- 

 ing are the comparative dimensions of the teeth in these spe- 

 cimens, contrasted with the same in Rhin. hemitoechus. 



The agreement of the Happisburgh and Tuscan teeth so 

 closely, in size, form, and proportions, excites attention to 



