THE 

 KALLIKAK FAMILY 



A STUDY IN THE HEREDITY OF 

 FEEBLE-MINDEDNESS 



BY 



HENRY HERBERT GODDARD, PH.D. 



Director of the Research Laboratory of the Training School 



at Vineland, New Jersey, for Feeble-minded Girls 



and Soys 



Nifo gorfe 



THE MACMILLAN COMPANY 



1913 



All rights reserved 



