224 



peoceedings of the geological society. 

 Table of Measurements. 

 Permanent Uj^per Dentition. 



[Apr. 3, 



Locality. 



Tooth. 



1 



2. 



3. 



Lexden (Brit. Mus.) 



Pm. 2 

 Pm. 3 



1-15 

 1-4 



1-4 



1-75 



1-4 

 1-7 







Pm. 4 



1-51 



2-1 



1-92 





M.2 



1-93 



2-33 



2-05 





M.3 



2-51 



2-12 



00 



Lexden (Eev. 0. Fisher) 



Pm. 2 

 Pm. 3 



1-15 

 1-264- 



1-19 



1-68 



1-28 

 1-8 







Pm. 4 



1-354- 



2-0 



1-81 





M.3 



2-2 



2-1 





Ilford (A. Brady, F.a.S.) 



Pm. 2 



1-25 



00 



o'o 





Pm. 3 



1-51 



205 



2-05 





Pm. 4 



1-7 



2-4 



2-35 





M. 1 



1-88 



2-55 



2-4 





M.2 



2-25 



2-73 



2-5 





M.3 



2-63 



2-55 



1-7 



Clacton (fig. 141 of Foss. Mam.) . . 



M. 1 



1-75 



2-21 



2-70 



G-rays Thurrock (Brit. Mus.) 



M. 1 



1-6 



2-01 



1-98 



Peckham (Brit. Mus.) 



Pm. 4 



00 



2-45 



21 





M.2 



1-95 



2-55 



2-32 



Durdham Down (Bristol Mus.) 



Pm.3 



1-4 



1-98 



1-83 





Pm. 4 



1-6 



2-28 



2-15 





M. 1 



1-73 



00 



2-32 





M.2 



21 



2-7 



2-3 



Bielbecks Farm (York Mus.) 



M.2 



2-24 



2-62 



2-22 



Permanent Lower Dentition. 



Locality. 



Tooth. 



1. 



2. 



3. 



Lexden (Brit. Mus. 37405) 



Pm.3 



1-1 



0-82 



0-82 





Pm. 4 



1-3 



0-9 



0-94 





M.l 



1-51 



1-08 



10 





M.2 



1-73 



1-08 



1-1 





M.3 



1-61 



1-05 



1-08 



Ilford (A. Brady,F.G(-.S.) 



Pm. 2 



0-99 



0-75 



0-75 





Pm.3 



1-24 



0-88 



0-98 



n 



Pm. 4 



1-42 



106 



M8 





M.3 



1-85 



1-26 



1-26 



Clacton (Brit. Mus.) 



Pm. 2 



1-08 



0-6 



079 





Pm. 3 



13 



0-8 



105 





Pm. 4 



1-48 



1-0 



1-21 



8. Range in Britain. — Of the four British species of Rhinoceros, 

 the tichorhine is confined to the Postglacial deposits, and occurs in 

 them throughout Britain, France, Germany, and Northern Eussia. 

 The megarhine, on the other hand, abundant in the Pliocene de- 

 posits of the Val d'Arno and of central France, has a limited range in 

 this country, being confined to the brick-eartbs and gravels which 

 occupy the lower part of the Thames valley, and which, from their 

 position beyond the edge of the Boulder- clay, are of equivocal age, 



