Graph F shows the comparative heights of boys of various 

 nationalities at each half-year period. The Russians, Poles 

 and Bohemians are not plotted on the graph, because the small 

 number of children represented by these race stocks mars the 

 validity of any comparison with the others. 



GRAPH F 



Average Heights of Boys of Various Nationalities at Each 

 Half-year Period, Ages 14 to 16 



I" 



X 



TIES 

 OF NATIVE 



ALL NATIONA 



NATIVE BORN 



JEWS 



GERMANS 



TALIANS 



ENGLISH, SCOTCH, & IRISH 





Age 14-141 yrs. 



141- -16 yrs. 



15-151 yrs. 



151. -16 yrs. 



The German boys are tallest, with an average stature of 

 62.49 inches for the two years combined. Next come the Amer- 

 ican boys, with an average of 62.31, and. the English, Scotch 

 and Irish, with an average of 62.07. These three groups are 

 taller than the average for all nationalities, which is 61.99. 

 The Jewish boys are close to the average, with a stature of 

 61.92 inches, while the Italians, on the average, attain only 

 61.18 inches. 



If we consider the amount ol growth, however, between 

 age 14| and age 15 \ that is, the average height during the 

 second year minus the average height during the first the 

 sequence is only slightly different. Americans stand at the 

 head, with an average gain of 1.72 inches. Next come Ger- 

 mans, with 1.63 inches of growth, and English, Scotch and 

 Irish with 1.34 inches. The average for all nationalities is 

 1.19 inches, and below this stand Jews with .94 inch, and Ital- 

 ians with .78 inch. 



26 



