288 MARRIAGE AND DISEASE. 



from the society with which his faulty conformation 

 of mind unfits him to mix. How long it may be 

 before we come to treat the instinctive criminal in 

 like rational manner, it is impossible to say, but that 

 the day is fast approaching there is ample evidence. 



The hereditary character of this peculiar degenera- 

 tion, instinctive criminality, has been recognised from 

 very early times in the world's history. It was advo- 

 cated and demonstrated by Aristotle and his follower 

 Galen, and it had been recognised by the Jews cen- 

 turies before. 



As regards mode of transmission, criminality follows 

 the same lines as most other family degenerations. 

 In some cases it is transmitted, like the suicidal 

 impulse, unchanged through several generations, as 

 was the case in the family whose genealogical tree I 

 here reproduce from Eossi (Studio sopra una Centuria 

 di Criminali). 



E. S. 



Insane. 



-il F, 



M.- 



Thief. Convicted 



of 

 wounding. 



-M. M. 



Convicted of Thief. Thief. 



wounding 



and fraud. 

 A drunkard. 



it M. M. M. & A 



Thief. Pickpocket. Convicted Thief. Receiver. Thief. Honest 



Convicted Five times of and 



of feigned fraud. healthy, 



wounding. madness. 



In this wretched family the insanity of the maternal 

 grandfather produced instinctive criminality in each of 



