THE CAUSATION OF DISEASE. 103 



should get, leaving out of account the secondary but even 

 greater evils of digestive and reflex troubles, to say nothing 

 of the unsightliness. Now, may we not believe that, under a 

 proper E, a race most degenerate as to its teeth might in 

 course of time become completely regenerated in this respect, 

 recovering to the full the strong and beautiful teeth of their 

 ancestors ? 



