CONCLUSION. 255 



and that environment may tend to correct a heri- 

 tage of evil character. A heritage of good character 

 also may be warped by environment, so that excel- 

 lence of parts in successive generations can be main- 

 tained only by constant vigilance and effort in every 

 succeeding generation. The moral development of 

 our race maybe viewed as the "forgetting" of our 

 heritage from the brute and the savage, and the 

 "learning" of the higher modes of thought and 

 emotion which are possible to us. 



