QUANTITATIVE DETERMINATION OF LIGHT REACTIONS 243 



33JO/0 

 59 



a 



33iO/o 

 59 



-6 



-17 



33P/0 

 59 



1st 



50% 

 39 



50O/O 

 39 



50% -24 

 39 



a 



Fig. 13 An average set at 33^ per cent difference 

 Fig. 14 An average set at 50 per cent difference 



