67] - 



RATE OF REGEKERATION—ZELENY 



67 



in graphic form in figure 12. 

 fractions obtained are 



1.0 1.3 1.6 



Dividing by tlie removed lengths the 



2.6 4.4 6.2 



1.5 'Yi 4.9 ~SA m '" 181 

 giving specific lengths of 0.67, 0.46, 0.33, 0.31, 0.34 and 0.34 



graph for specific lengths is shown in figure 13. 

 mm. 

 6.0 



The 

 There is still a fair 



Figure 12 



•o ™™- 

 £, 0.70 



fe 0.60 



I 0.50 



<~ 0.40 



0.30 



0.20 



0.10 



ti 



1.5 2.8 4.9 8.4 



— >- Lengths removed in mm. 



Rana damitans Second regenerations 



Twelve and a half days 



Figure 13 



1.5 2.8 4.9 8.4 



— >- Lengths removed in mm. 

 Rana damiians Second regenerations 



13.1 18.1 



Specific lengths Twelve 



and a half days 



apin-oach to constancy with removals of 4.9 mm. and above. The rela- 

 tive increase in the case of the higher removals is due to the fact that 

 regeneration is continuing in them after it has stopped in the others. 



