200 STOCKARD— CONTROL OF DEVELOPMENT. [April 19, 



or go before, the selective mating of human beings or the eugenics 

 movement. The most intellectual will rarely submit to direction in 

 choosing a mate, yet every productive pair will welcome any possible 

 means of improving the quality of their ofifspring. 



While preventive measures are being used to protect the post- 

 natal life of the individual, why not guard as far as possible its pre- 

 natal development? 



Cornell University Medical College, 

 Department of Anatomy, 

 New York City. 



