EDUARD UHLENHUTH 



355 



Mm. 

 250 



E30 

 210 

 190 

 170 

 150 

 130 

 110 



90 



70 



50 



30 



10 



5 15 25 35 45 55 65 75 85 



"Weeks 



Fig. 3. Experiment 2 {Amhystoma tigrinum, 1919, Series XLVI). The unbro- 

 ken line illustrates the growth of the controls, the dotted line that of the anterior 

 lobe-fed animals. 



