136 



A. J. Goldfarb 



TABLE I 



2d day 



3d 

 4th 



6th 



7th 



8th 



9th 

 loth 

 nth 



I 2th 



i;th 



Total Reg. 

 Per cent Reg. 



Regenerated 



5 21 



Regenerated 



4 14 



10 8 



3 ^ 



o o 



3 ° 



Regenerated 



J 3 



8 3 



4 7 



I 3 



3 • 



4 2 

 3 o 



47 

 117 



29 



45 



105 



Regenerated 



60 



14th 

 15th 



1 6th 



17th 

 18th 

 19th 

 20th 



2 1 St 



Exposed 

 Permanently 



Exposed 

 1 5 minutes 



24th 

 25th 



TOTAL NUMBER 

 OF STALKS 



NUMBER 

 REGENER.ATED 



PER CENT 

 REGENERATED 



In the dark. 

 In the light. 



192 

 114 



132 

 112 



99 



