442 



Profs. Percy Frankland and Marshall Ward. 



460 



440 



A 



Reckoned back : 

 139-5 69-75 n = 9.13 P.M. 10.0 P.M. = 47 mins. at 25 '75 25-024 -925' 0C. 



On November 13 spores, as before, were sown, and put at 22 C. at 

 12.30 and into the Sachs' box at 6 P.M. 

 Doubling period : 



3672 /t = 6.0 P.M. 6.45 P.M. = 45 minutes at 26 "026 '25 C. 

 Beckoned back : 



92 -2546 -0 n = 6.15 P.M. 7.0 P.M. = 45 minutes at 26 '126 '5 C. 



