CONTROL OF HEREDITY: EUGENICS 403 



tion no less than that of other organisms. 

 Undoubtedly 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 

 evolutionary goal to be attained by intelligent 

 attention to principles of good breeding. 



II. CAN HUMAN EVOLUTION BE CONTROLLED? 



All that man now is he has come to be with- 

 out conscious human guidance. If evolution 

 has progressed from the amoeba to man with- 

 out human interference, if the great progress 

 from ape-like men to the most highly civilized 

 races has taken place without conscious hu- 

 man control, the question may well be asked, 

 Is it possible to improve on the natural method 

 of evolution? It may not be possible to im- 

 prove on the method of evolution and 

 yet by intelligent action it may be possible to 

 facilitate that method. Man cannot change a 

 single law of nature but he can put himself 



