122 DIGESTION" 



12. It is interesting, at this point, to notice the different 

 forms of teeth in different animals, and observe how admirably 

 their teeth are suited to the respective kinds of food upon 

 which they feed. In the carnivora, or flesh-feeders, the teeth 

 are sharp and pointed, enabling them both to seize their prey 



FIG. 25. SECTION OP THE JAWS EIGHT SIDE 



V, A, N, Veins, Arteries, and Nerves of the Teeth. The root of one tooth In each jaw is 

 cut vertically to show the cavity and the blood-vessels, etc., within it. 1 to 8, Perma- 

 nent Teeth 



and tear it in pieces ; while the herbivora, or vegetable-feeders, 

 have broad, blunt teeth, with rough crowns, suitable for grind- 

 ing the tough grasses and grains upon which they feed. 



12. Different forms of teeth ? Human teeth ? The inference? 



