6 



build: definition and ontogeny. 



than men of the same height." The main reason for the greater 

 weight of young men is their relatively much greater chest circum- 

 ference. 



Table I.— The distribution of frequencies of the various classes of build of offspring derived 



from the various types of matings. 



Summation Table, Males only. Based on Table 11. 



Average male index of build, 35.81 ±.12. Standard deviation, 5.33 ±.084. 



Table 2. — The distribution of frequencies of the various classes of build of offspring derived 



from the various types of matings. 



Average female index of build, 34.54±.13. Standard deviation, 5. 13 ±.09. 



