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HUTTONIAN THEORY. 



46 



5 



have belonged to either of the animals juil men-- 

 tioned, but to a carnivorous animal of enormous 

 fize, the race of which, fortunately for the prefent 

 inhabitants of the earth, feems now to be entire- 

 ly extind *. The foundation of Dr Hunter's 

 opinion is, that in thefc grinders the enamel is 

 merely an external covering ; whereas, in the 

 elephant, and other animals deflined to live on 

 vegetable food, the enamel is intermixed with 

 the fubftance of the tooth f. 



409. Though this argument appears to be of 

 coniiderable weight, yet Camper, who was great- 

 ly (killed in comparative anatomy, and who had 

 ftudied this fubjed: with particular attention, was 

 of opinion, that thefe grinders belong to a fpecies 

 of elephant* This opinion he lltites in a let^ 

 ter to Pallas, who had found grinders and 0- 

 ther bones of this fame animal, on the wellern 



Gg 



declivity 



* Phil. Tranf. vol.lviii. p. 3, &c. 



t A foffil grinder 111 the coUeftion of John Macgow- 

 AN, Efq-, of Edinburgh, anfwers nearly to Mr Collinfon's 

 defcription, and -is very well reprefented by the figure 

 which accompanies it. This grinder weighs four pounds 

 one-fourth avoirdupois ; the circumference of the corona 

 IS eighteen inches; the coat of enamel is one fourth of 

 an inch thick ; there are five double teeth ; in Mr Col- 



linfon's fpecinien there are only four. 



