114 MARRIAGE AND HEREDITY 



directed that deprives the poor maniac of this resource, 

 and that sometimes sends him forth from an asylum, 

 nominally cured, to propagate his imperfections. 



Another instructive case of this kind is given by 

 Maudsley, as follows : — 



First Generation. Man excessively depraved and 

 addicted to alcoholic excess. Killed in a tavern 

 brawl. 



Second Generation. Son a drunkard, subject to 

 maniacal attacks, ending in general paralysis. 



Third Generation, Grandson sober but hypo- 

 chondriacal, subject to delusions of persecution and 

 homicidal tendencies. 



Fourth Generation. Great-grandson born with de- 

 fective intelligence, attacked by mania at sixteen. 

 Transition to idiocy, and probable extinction of the 

 line.^ 



Galton's researches show that while a particular 

 form of talent is often inherited, especially among 

 musicians, many great men have sons and relatives 

 distinguished in walks of life that they have struck 

 out for themselves. This fact may be explained in 

 two ways. First, clever men having no particular 

 bent towards art, science, literature, commerce, or 



^ Maudsley's Pathology of Miiid. 



