14 



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



53. Of these, 22, or something under half, are normal; 15 (a 

 little over a quarter) are epileptic, 3 feeble-minded, 9 neurotic, 2 

 alcoholic and 2 sexually immoral. Of these tainted conditions 

 migraine seems to be most closely related to feeble-mindedness, 

 ^ince none of the 7 offspring of defective migrainous matings are 



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6 



Ol^(3Hl|] 



Sh-O 



1 J1 2 3 A ^Sl®^ D&0&"" 



Fig. 20. This family has married into that of Fig. 19 and a grandson 

 of the union has married into an alcoholic and neurotic strain. Of the 

 four children one died when twenty years old of spinal meningitis (like 

 her father), one is neurotic, one is epileptic and the youngest is normal. 

 In the united families are thirteen persons who have been cared for in 

 public institutions ; and many others that should be. Case 2013. 





ddQQO^ 



Fig. 21. The central mating is between a normal woman (who had an 

 insane sister, and by a later marriage, a neurotic daughter and feeble- 

 minded grandchild) and an epileptic man. There were seven miscarriages 

 and five children, of whom one died in infancy, one is epileptic, one neurot- 

 ic and one apparently normal. Most of the blank symbols represent 

 children, who died in infancy; there are seventeen such children. Case 

 1395. 



normal, though half are merely "neurotic." Altogether the re- 

 sult is about what is to be expected on the assumption that the 

 tainted parent is simplex (i. e., has half his germ cells without 

 the factor for full mental development). The deficiency of 

 normals is due to the fact that some of the simplex offspring are 

 neurotic. 



Table IV shows the results of the marriage of a normal and 



