356 



EXPERIMENTAL GIGANTISM 



Mm. 

 250 



230 

 210 

 190 

 170 

 150 

 130 

 110 



90 



70 



50 



30 



10 



5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 65 



Weeks 



Fig. 4. Experiment 3 {Amby stoma tigrinum, 1919, Series LV). The unbroken 

 line represents the growth of the controls, the dotted line that of the anterior 

 lobe-fed animals. 



