vii THE STAGES OF LIFE AND DEATH 287 



show that the average is definitely higher in the members of 



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





Males 



Country 

 Females ................... 



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



prosperous families than in those belonging to families in poor 

 circumstances. 



