287 



Table III. 

 Regeneration in Obelia after cut at level y. 





No. of cases 

 observed 



Percentages 



No. of rings 

 regenerated 



No. of cases 

 observed 



Sums from 

 beginning 



2 



5 



3 



3 



3 



48 



32 



35 



4 



57 



38 



73 



5 



22 



15 



88 



6 



2 



1 



89 



7 



3 



2 



91 



8 



3 



2 



93 



9 



4 



3 



96 



10 



3 



2 



98 



11 











98 



12 



1 



1 



99 



13 











99 



14 



2 



1 



100 





150 





Table IV. 

 Regeneration in Obelia, combining result of cuts at all levels. 





No. of cases 



Percentages 



No. of rings 







regenerated 



observed 



No of cases 



Sums from 







observed 



beginning 



2 



9 



1,4 



1,4 



3 



56 



9,0 



10,4 



4 



95 



15,2 



25,6 



5 



84 



13,5 



39,1 



6 



74 



11,9 



51,0 



7 



62 



10,0 



61,0 



8 



41 



6,6 



67,6 



9 



56 



9,0 



76,6 



10 



45 



7,2 



83,8 



11 



41 



6,6 



90,4 



12 



26 



4,2 



94,6 



13 



13 



2,1 



96,7 



14 



14 



2,2 



98,9 



15 



1 



0,2 



99,1 



16 



3 



0,5 



99,6 



17 







0,0 



99,6 



18 



2 

 622 



0,3 



100,0 



