292 



L. D. BUSHNELL 



TABLE 5 



Influence of varying amounts of acid and air upon the growth of B. mesentericus 



in broth 



salt there is a marked decrease in the higher concentrations of 

 acid. Even sealing seems to cause a marked decrease in the 

 number of viable spores of both types. Perhaps if the incubation 

 period had been lengthened there would have been a still greater 



