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THE NEXT GENERATION 



Dr. Goddard proves this in his history of the Kallikak 

 family. 1 Here we find two distinct kinds of mental inheri- 

 tance. They run side by side from generation to generation 

 for one hundred fifty years. And, strange to say, the same 

 man stands at the head of both lines. He was a healthy young 

 soldier who fought in the American Revolution. 







ALCOHOL AND FEEBLE-MINDEDNESS 



Locate the alcoholic man. Notice that his wife was feeble-minded, that she was the 



daughter of feeble-minded parents, that she had six feeble-minded sons and five 



brothers and sisters who were feeble-minded. (From " Heredity as a Factor in the 



Problem of the Feeble-minded Child," by H. H. Goddard) 



Before the fighting began, he had one son. But, sad to 

 say, the boy's mother was feeble-minded. So also was* the 

 boy himself. He inherited the calamity from his mother. 

 Still he grew to manhood, was married, became the ancestor 

 of children and of children's children, until, up to the present 

 time, that feeble-minded son of the feeble-minded mother has 



1 Out of kindness to the living members of the family, the true name is 

 not given. Kallikak is a name made up for the occasion. It is believed that 

 no other human beings are known by the same combination of letters. 



