166 



TEETH OF FOSSIL MAMMALIA. 

 Fig. 13C. Fig. 137. 



Eliinoceros. 



lihinoceros leptorTiimis ; fos- 

 sil from fresiiwater beds of 

 Grays, Essex (see p. 153); 

 penultinjate molar, lower 

 jaw, left side ; two-thirds of 

 nat. size. 



Hippopotamus. 



ITippo2wtamus Pentlandi^ 

 II. V. Meyer; from cave 

 near Palermo (seep. 160); 

 molar tooth; two-thirds 

 of nat. size. 



Sus scrofa,JAx\. (comnion 

 pi^) ; from shell-marl, 

 Forfarshire ; posterioT 

 molar, lower jaw, nat 

 size. 



Fie. 140. 



Tapir. 



Tapirus Ainericanu^ ; 



recent ; third molarj 



upper jaw; nat. size. 



Horse. 



Eqinis ccibalhis, Lin. (common horse) ; 

 from the shell-marl, Forfarshire ; 

 second molar, lower jaw. 



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

 Tj. Side view of same, half nat. size. 



Fig. 141. 



Fis. 142. 



a. K Deer. 



Elk (Cermifi alces, Lin.); re- 

 cent; molar of upper jaw. 



a. Grinding surface. 



b. Side view ; two-thirds of 



nat. size. 



c, d. Ox. 

 O.v. common, froru shell-marl, Forfar- 

 shire; true molar upper jaw ; two- 

 thirds nat. si/.o. 



r. Orindius surface. 



d. Side view ; fangs upjiermosi. 



