INCREASE IX THE WEIGHT OF THE ENTIRE BODY. 63 

 240 



Y'R8l 2 J * 5 o 7 6 9 10 II 12 i3 rt k5 16 17 16 19 aO ai 33 iX Z4 5 



FIG. 13. Curve to show the rate of increase in 

 weight during the first twenty-five years of life. 

 M. males ; F. females. The percentages of in- 

 crease are measured along the vertical axis, the 

 ages along the horizontal one. (Based on 

 Roberts, Table 2.) 



