80 



ILLINOIS BIOLOGICAL MONOGRAPHS 



[80 



Between teu and twelve and a half days regeneration is slow, reach- 

 ing its end for the two shortest removals at the latter day. The regen- 

 erated lengths at twelve and a half days are 0.9, 1.2, 1.8, 2.6, 4.7 and 



mm. 



5.0 



1.5 2.6 4.6 8.2 13.0 



— >■ Lengths removed in mm. 

 Figure 26 Rana damitans. First regenerations Ten days 



mm. 



0.60 

 0.50 

 0.40 

 0.30 

 0.20 

 0.10 



1.5 2.6 4.6 8.2 



— >- Lengtlis removed in mm. 

 Rana damitans First regenerations 



Specific lengtlis Ten days 



5.8 mm. as shown in Table 42 and Figure 28. There is a steady increase 

 with increase in removed length. The specific lengths are 0.61, 0.46, 

 0.39, 0.31, 0.36 and 0.35 as shown in Table 42 and Figure 29. There is 

 an approach to constancy in the four largest removals. 



