358 STKUCTURE AND ADAPTATION OF TEETH 



of caries in the various races of men and ani- 

 mals. 



Altliougli my paper has far exceeded the limits 

 I had originally proposed, we have only been able 

 to examine in a very cursory manner a few of the 

 points of interest comprised in so extensive a 

 subject. 



It has been my aim to condense within mode- 

 rate limits a general view of the typical forms 

 and special adaptations of the teeth to the struc- 

 ture and requirements of each animal ; and I have 

 refrained from more extended observation upon 

 many sections of our subject, each of which would 

 demand our undivided attention did time permit. 



Conscious that the task has been most imper- 

 fectly executed, I yet hope that some hints may 

 have been given which may stimulate others to 

 cultivate these deeply interesting studies, so emi- 

 nently suggestive of profitable trains of thought 

 to every reflecting mind. 



On reviewing the entire subject of this paper, 

 we arrive at the conclusion that man's supe- 

 riority, as compared with the irrational mam- 

 malia, is one of kind rather than of degree ; 

 consisting not in the mere strength of bone and 

 sinew, or in those instincts in which he resembles 

 the brute, but in a rational and moral nature. 

 For him, throughout the long series of geologic 

 changes, the earth was gradually being prepared, 

 until the time when he should come to take his 



