16 



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



There are 24 of them ; practically nothing more is known about 

 the families of 11 of them. In the remaining 13 cases, there is 

 positive evidence of nervous weakness in the families of 9, as 

 shown in Table A. In the remaining 4 there is no evidence ; how- 

 ever, negative evidence must be received with caution as informa- 

 tion concerning mental weakness is sometimes withheld from the 

 field worker. The nature of the epilepsy in the children of such 





Fig. 24. A normal woman (who has four insane uncles and a cousin, 



a nephew and a grandnephew each epileptic) marries a man who is 



msane " has one half brother insane and a nephew feeble-minded. Of the 



three children, one dies in infancy, one is a dwarf and one an epileptic 



Case 1342. 



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Fig. 25. Pedigree chart showing the product of a migrainous woman 

 (whose mother, one brother and a nephew were epileptic and one aunt 

 feeble-minded) and an alcoholic man (with epileptic half-sisters). This 

 is a negro family ; of fourteen children, five died in infancy, the first born 

 was epileptic, the rest appear to be normal, though some are too young to 

 predict their fate. Case 1579. 



a normal parent from a normal family is not precisely known. 

 Here, if anywhere in our tables, we might look for epilepsy in- 

 duced by the powerful stimuli of syphilis or trauma. 



