134 



TEETH OF EXTINCT MAMMAUA. 



Fig. 114 



[Ch. X. 



El&plias meridionalis, Nesti. Penultimate molar, one-third of nat. size. 

 Post-pliocene and pliocene. 



Pig. 115. 



Fig. 117. 



Rhinoceros leptorhinus, Cu- 

 vier = Ehin. megarhinus, 

 Christol; fossil from fresh- 

 water beds of Grays, Essex 

 (see p. 130) ; penultimate 

 molar, lower jaw, left side ; 

 two-thirds of nat. size. Post- 

 pliocene and Newer Plio- 

 cene. 



BMnoceros ticJiorhinus ; pen- 

 ultimate molar, lower jaw, 

 left side ; two-thirds of nat. 

 size. Post-pliocene. 



Hippopotamus ; from cave 

 near Palermo ; molar tooth ; 

 two-thirds of nat. size. Post- 

 pliocene. 



Fig. 118. 



Fig. 

 Sus scrqfa, L. (common 

 pig); from shell-marl. For- 

 farshire; posterior molar, 

 lower jaw, nat. size. Re- 

 cent. 



Horse. 



Eqims caballus, L. (common horse); 

 from the shell-marl, Forfarshire ; sec- 

 ond molar, lower jaw. Eecent. 



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



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



On comparing the grinding surfaces of the corresponding molars 



