N i N 



d. 1705 



The Lawful Wife 



The Nameless Feeble-Minded Girl 



Martin 

 Kallikak, Jr. 



Millard 



Martha 



FIG. 167. Diagram outlining history of Kallikak family 



Squares stand for males, circles for females ; N for normal people, F for feeble- 

 minded. Five generations on the side of the feeble-minded girl contain 480 indi- 

 viduals 143 feeble-minded, 33 immoral, 24 drunkards, and 3 epileptics. On the 

 normal side are 496 descendants, none of whom are feeble-minded. After Goddard 



342 



