10 



Eugenics Record Office Bui.i,ktin, No. 4 



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Fig. 12. This chart gives a picture of the combined effect of bad 

 protoplasm and venereal infection. The central mating is between an 

 epileptic woman (descended from an epileptic mother) and a sot, whose 

 mother was insane and who is himself sexually immoral and infected both 

 with gonorrhea and syphilis. The first child is epileptic, the next two are 

 neurotic. No. 3 has hysteria, and No. 4 died in infancy. Then followed 

 thirteen miscarriages, clearly due to the infection. In contrast with this 

 result is that of two normal sisters of the father who married normal 

 men and had, altogether, eight children, all normal. Case 1772. 



Fig. 13. In the central mating the mother is a feeble-minded woman 

 who comes from a stock that is characterized by a high incidence of 

 epilepsy, insanity and alcoholism. She had an illegitimate daughter who is 

 feeble-minded, and then she married a man who is alcoholic himself, 

 comes from a strain with many alcoholists, and has an insane cousin and 

 an epileptic nephew. It seems probable that the father is mentally sub- 

 normal, and of the six children (out of nine) who did not die young one 

 has epilepsy and the other five are feeble-minded. Case 2564. 



there was probably an innate weakness and the fall is invoked 

 as a convenient " cause." The 3 matings together yielded 19 off- 



