356 Prof's. Percy Frankland and Marshall Ward. 



Table M. Experiments on Insolatu 



good six hours' sun direct, and the temperature rose as high as 37 C. 

 at one time, but was for the most part at 30 32 C. All the other 

 conditions were as before. 



After exposure, a plate from the insolated flask gave 665 per c.c. 

 One from the covered flask gave 2,600,000 as the nearest estimate I 

 could form. 



It is obvious, therefore, that the bacterium referred to as Colony ft 

 is very sensitive to the solar action, and the results obtained with 

 the above pure cultures are summarised in Table M. 



XVII. 



The results with a second badly liquefying form, which I call 



