119] 



RATE OF REGEXERATIOX — ZELEXV 



119 



u 

 <v 

 a 



9 



-4-1 



a 



2 5 7 9 11% 15% 



— >- Days after the operation 

 Figure 56 Rates of first regenerations of the tail per day at different times 

 after the operation for six different levels Rana clamitans The removed 

 lengths are 1.5, 2.6, 4.6, 8.2, 13.0 and 16.7 mm. 



