vii THE STAGES OF LIFE AND DEATH 287 



show that the average is definitely higher in the members of 



FIG. 121. Curve of growth of man, according to age, sex, and social position. (Pagliani.) 



Well-to-do Class 



/ Males 





foi~ 

 MOM 



Town 

 Coun try 



I Females 

 o, weight ; b, height ; c, vital capacity ; rf, muscular strength. 



prosperous families than in those belonging to families in poor 

 circumstances. 



