CONTROL OF HEREDITY: EUGENICS 415 



earth, the deserts and mountains and regions 

 of polar ice, become the refuge of the less cap- 

 able races, just as "the conies, who are but a 

 feeble folk, make their houses in the rocks." 

 This is an illustration of the great law of evolu- 

 tion, the survival of the strong and capable and 

 intelligent, and even though ideal justice be 

 meted out to weaker peoples, dominant races 

 Will still dominate and possess the earth. The 

 only recourse which the inferior peoples have, 

 and it is a terrible revenge, is to amalgamate 

 with the superior race and thus lower its heredi- 

 tary qualities. 



From the way in which primitive races have 

 gone down before more cultured ones there is 

 reason to believe that in general the principle 

 of the elimination of the unfit and the survival 

 of the fit has characterized human evolution 

 no less than that of other organisms. Un- 

 doubtedly intelligence has played a great 

 part in the evolution of man, as is at once 

 apparent when we consider the infinitely 

 varied experiments by which he has worked 

 his way from savagery to civilization. And yet 

 he has not consciously set before himself an 



