106 



FAMILY STUDIES IN BUILD. 



It is noteworthy that the F x generation has an average build that 

 is above the mean of the population ; the progeny of F X S matings 

 are not strictly intermediate, but incline toward fleshiness. This in- 

 dicates again the presence of dominant fleshy factors. 



Table 30. — Matings of a slender parent and one of fleshy stock, together with their progeny. 



VS 



M 



F YF 



Fig. 40. — Three superimposed polygons showing distribution, in the various classes of build, of 



the progeny of the following matings: 



Slender X slender (S X S) Table 23 



Very fleshy X fleshy (F X F) Table 24 



Fleshy X slender (F X S) Table 27 



