62 THE KALLIKAK FAMILY 



these cases may have been high-grade morons, who, to 

 the untrained person, would seem so nearly normal, 

 that at this late day it would be impossible to find 

 any one who would remember their traits well enough to 

 enable us to classify them as morons. 



We must not forget that, on Chart IX-e, we also have 

 the daughter of Justin taken into a good family and 

 carefully brought up, but in spite of all that, she proved 

 to be feeble-minded. The same is probably true of 

 Deborah's half brother. 



We have claimed that criminality resulting from 

 feeble-mindedness is mainly a matter of environment, 

 yet it must be acknowledged that there are wide differ- 

 ences in temperament and that, while this one branch 

 of the Kallikak family was mentally defective, there 

 was no strong tendency in it towards that which our 

 laws recognize as criminality. In other families there 

 is, without doubt, a much greater tendency to crime, so 

 that the lack of criminals in this particular case, far 

 from detracting from our argument, really strengthens 

 it. It must be recognized that there is much more lia- 

 bility of criminals resulting from mental defectiveness 

 in certain families than in others, probably because of 

 difference in the strength of some instincts. 



This difference in temperament is perhaps nowhere 



