lo The Third and Fourth Generation 



in a new combination with the hope of producing 

 a still better type. 



There seems to be abundant evidence that 

 ability similarly runs in human families. Here 

 is given the chart of family connections in the 

 Darwin-Wedgewood-Galton family (see Plate I) . 

 This tabulation traces the lines back to Josiah 

 Wedgewood, founder of the famous potteries, 

 to Erasmus Darwin, philosopher and author, 

 and to Samuel Galton. All three were men of 

 marked distinction, the first two members of 

 the Royal Society. Men of marked ability are 

 indicated in the chart by black squares; those 

 who, in addition, are members of the Royal 

 Society are shown with an R beside the square. 

 There is unfortunately no criterion for judging 

 the degree of distinction of the women (repre- 

 sented by circles) as exists in biographical dic- 

 tionaries or membership in learned societies for 

 men. Charles Darwin, one of the most noted 

 of biologists, himself a member of the Royal 

 Society, comes from a father who was a mem- 

 ber and from grandfathers both of whom were 

 also members of the same distinguished organi- 



