230 



Life and Letters of Francis Galton 



Standard Scheitte. of Descent 



-3Q -2Q -Q O +Q +2Q +3Q 



Either Trent's Grade 

 Number iri each 



Distribution of ITIid- 

 -parents for 1000 pairs 

 with assortatioe mating 

 -2804 and midparental 

 correlation 7907 as for 

 stature in Man. 

 Each pair one male 

 child. 



Regression of 

 Midparental to Filial 

 Centres- 



Scale of Total Filial 

 Variability. 



21-5 Children of u 



67-2 Children of X, 



161-3 Children of S 



Wodified from Gallon's original scheme by faking better numerical oalues for stature m Man, and the 



aasorlatio* m&Iinfi not perfect. 



Fig. 43. 



