47 



• An uniform composition of tooth, as it re- 

 spects the intermixture of enamel and bone, 

 running from the surface to the roots, is 

 observed to prevail in those of the Ele- 

 phant, Horse, Ox, &c. they principally differ 

 in the figure which those veins of enamel 

 assume, and by which alone they may be 

 discriminated from each other. On the other 

 hand, carnivorous teeth, incrusted with ena- 

 mel as far as the gums, vary in the form and 

 number of their protuberances, so as generally 

 to designate their species : yet among them 

 there is a proper distinction to be observed j 

 which is, that those carnivorous animals, the 

 form of whose teeth, and the attachment of 

 v/hosejaws, allow them the side or grlndlnp- 

 motion, are always of the mixt kind. Man, 

 the Monkey, Hog, &c. are carnivorous ani- 

 mals, because their teeth are incrusted v/itli 

 enamel, and because they eat flesh ; yet 

 they are adapted for other food, by the rota- 

 tory motion of their jaws, and the form of 

 their teeth. And although the Mammoth is 

 deficient in cutting teeth, and has no other 

 canine teeth than his enormous tusks (v/hich 

 deficiencies may have been supplied by a pair 



