Davenport and Weeks : Inheritance of Epii.epsy 



examined all of his data at Vineland. Thirty-five F X F matings 

 yielded 142 known offspring — all feeble-minded. 



Two important conclusions follow from these facts: First, 





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Fig. 2. This chart illustrates the poorhouse source of defectives. 

 The central figure is an epileptic, feeble-minded, unchaste woman who 

 had seven children, concerning six of whom something is known. Three 

 of these died in infancy; the remainder are defective. The mother was 

 taken from the almshouse, where she had spent a good share of her life, 

 to keep house for a feeble-minded man and his three feeble-minded sons. 

 One of this man's sons married a feeble-minded sister of one of the 

 patients at the State Village. As a commentary on the condition of an 

 almshouse this chart is eloquent. Case 584. 



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Fig. 3. This chart illustrates again the poorhouse source of defectives. 

 The central figure is a feeble-minded woman, subject to epileptic fits, 

 descended from a feeble-minded mother and shiftless, worthless father. 

 She has spent most of her life in the almshouse and all of her children 

 have been inmates. One is by a negro whom she met in the almshouse. 

 Two of the children died in infancy; one, of whom little is known, died at 

 18. Of the remainder, two are feeble-minded and one, from a sire with 

 criminal tendencies, is an epileptic imbecile. Case 829. 



imbecility and epilepsy depend on the absence of factors that are 

 very closely akin. At least, two feeble-minded parents may pro- 

 duce a large proportion of epileptic children. Second, when the 

 soma of the parents shows bottom conditions their germ-plasm 



