166 



TEETH OF FOSSIL MAMMALIA. 

 Fig. 136. Pig. 137. 



Ehinoceros. 



Rhinoceros leptorhimis ; fos- 

 sil from freshwater beds of 

 Grays, Esses (see p. 153); 

 penultimate molar, lower 

 jaw, left side ; two-thirds of 

 nat size. 



Hippopotamus. 



Hippopotamus Pentlandi, 

 H. v. Meyer; from cave 

 near Palermo (see p. 160) ; 

 molar tooth; two-thirds 

 of n at. size. 



Sus scrofa, Lin. (common 

 pig) ; from shell-marl, 

 Forfarshire ; posterio? 

 molar, lower jaw, nat. 

 size. 



Fie J 39. 



Fig. 140. 



Horse. 



Equas cdbaUus, Lin. (common horse) ; 

 from the shell-marl, Forfarshire ; 

 second molar, lower jaw. 



a. Grinding surface, two-thirds nat. size. 

 5. Side view of same, half nat size. 



Tapir. 



Tapirus Americanos ; 



recent ; third molar, 



upper jaw; nat size. 



Fig. 141. 



Fig. 142. 



o. 6. Deer. 



Elk (Cervus alces, Lin.); re- 

 cent; molar of upper jaw. 



a. Grinding surface. 



b. Side view; two-thirds of 



nat. size. 



c. d. Ox. 



Ox, common, from shell-marl, Forfar- 

 shire ; true molar upper jaw ; two- 

 thirds nat size. 



c. Grinding surface. 



d. Side view ; fangs uppermost. 



