THE RATE OF GROWTH 



of years. Now this is a way which records the actual 

 facts satisfactorily. It shows the progressive changes 

 of weight as they really occur ; but it does not give 



FIG. 27. CURVES SHOWING THE GROWTH OF BOSTON SCHOOL CHILDREN 

 IN HEIGHT AND WEIGHT. After H. P. Bowditch. 



us a correct impression of the rate of growth. Con- 

 cerning the rate of growth, some more definite notion 

 must be established in our minds before we can be 

 said to have an adequate conception of the meaning 

 of that term. 1 It is from the study of the statistics 



1 The method described in the text of determining the rate of growth was 



