82 



ILLINOIS BIOLOGICAL MONOGRAPHS 



[82 



0.9, 1.1, 1.8, 2.7, 5.5 and 6.8 mm. as shown in Table 42 and Figure 30. 

 There is a regular increase with increase in removed length. The 

 specific lengths are 0.60, 0.42, 0.39, 0.33, 0.42 and 0.40 as shown in 

 Table 42 and Figure 31. Though there are irregularities the specific 

 lengths approach constancy at all levels except the most distal one. 

 Between eighteen and fifty-six days there is practically no increase 



■8 



mm. 

 7.0 



6.0 

 5.0 

 4.0 

 3.0 



2.0 

 1.0 



Figure 30 



1.5 2.6 4.6 8.2 13.0 



— > Lengths removed in mm. 

 Rana clamitans. First regenerations Eighteen days 



16.7 



- 



mm. 

 0.70 

 0.60 

 0.50 

 0.40 

 0.30 

 0.20 

 0.10 



Figure 31 

 days 



1.5 2.6 4.6 8.2 



— >- Lengths removed in mm. 

 Rana clamitans First regenerations 



13.0 



16.7 



Specific lengths Eighteen 



