270 



GROWTH OF PARTS AND ORGANS 



■Ratio 



1.5 



0.5 



Ratio 



o 

 Ratio 



25 



50 50 lOO 



20O 



.300 



400 



ao 



1.0 



0.5 



0.0 



Charts 49— nos. 6-8. Showing the changes in the relative percentage weights 



of the kidneys, heart and pancreas — based on the data in table 156. x x, 



males; o o, females. 



