zation. His wife comes from equally able 

 parentage. Three of their sons were also mem- 

 bers of the Royal Society, one of the Royal 

 Geographic Society; two of their grandsons are 

 already men of marked abUity. 



The son of an able man is much more likely 

 to display ability than the average person. 

 Sir Francis Galton, in the above-mentioned 

 family, devoted his life to studies of human 

 heredity. In his book on Heredity Genius he 

 gives some of the important results of his 

 studies. He looked up the family connections 

 of all the great English judges who lived in the 

 period from 1660-1865. There were 268 of 

 them of sufl&cient distinction to be included 

 in Toss's Lives of the Judges; 109 of these had 

 one or more eminent relatives. Close relatives 

 were more likely to be eminent than distant 

 relatives. C. W. Saleeby in his Parenthood and 

 Race Culture reduces' Galton's results to the 

 following statement: sons of judges have 126 

 chances out of 1,000 of achieving greatness, 

 brothers 82, grandsons 37, and nephews 17. 

 To give these figures any significance we must 



