109] 



RATE OF REGENERATION— ZELENY 



109 



mm. 

 0.20 



0.10 



0.20 

 0.10 



0.20 

 0.10 



0.30 

 0.20 

 0.10 



2 57 9 11% 15% 37 



— >- Days after the operation 

 Figure 52 Rates of second regenerations of the tail per day at different times 

 after the operation for six different levels Rana clamitans The removed 

 lengths are 1.5, 2.8, 4.9, 8.4, 13.1 and 18.1 mm. 



