Ratio 



4.0 



3.5 



0.0 



2.5 



^o 



1.5 



1.0 



0.5 • 



0.0 



T^atio 



Z5 



50 50 lOO , zoo 



ooo 



4O0 



1.5 



;S5 



so 50 lOO 2O0 300 400 



05 



0.0 



Ratio 



1.0 



0.5 



0.0 



1.0 



0J5 



50 50 lOO 



^no 



aoo 



4O0 



Chart 49 — nos. 12-14, Showing the changes in the relative percentage weights 

 of the intestinal tract, stomach and blood — based on the data in table 156. 



X- X, males; o o, females. 



272 



