NORMAL VARIABILITY 



TABLE I. (FROM GALTON). 



STRENGTH OF PULL (519 MALES, AGED 23-26). 



From Records made at the International Health Exhibition 

 in 1884. 



Finally, we may display in a somewhat more detailed 

 fashion the result of a still larger number of measure- 



000 Individuals 



700 



600 



FIG. 5. 



ments. Fig. 5 shows the variation in stature of a large 

 number of members of Cambridge University of British 



62 



