NO. 2$ STIMULATION OF ALGAE BY ULTRAVIOLET MEIER 



15 



Table 6. — Persistent Stimulated Growth Obtained from Cultures Formerly 

 Stimulated by Wave Length 2352 A 



Experiment No. 



Date inoculum 

 was irradiated . 



June 3. 1937 



May 18, 1937 



May 18, 1937 



Date of experiment 



March 8, 1939 



April 4, 1939 



April 14, 1939 



Table 7. — Persistent Stimulated Grozuth Obtained from Cultures Formerly 

 Stimulated by Wave Length 2483 A 



Experiment No 



Date inoculum 

 was irradiated 



Dec. 7. 1937 



Dec. 7. 1937 



Dec. 7. 1937 



30. 



60. 



2.0 



2.6 



2.0 



i-5 

 2.0 



i-5 



2.4 



2.2 

 2.8 



i-7 



1.6 

 2.0 



