488 



"mLBURT C. DAVISON 



at 37°C. the reaction was adjusted to pH 8.0 with normal hj^dro- 

 chloric acid (0.82 cc). The bacteriolysant after this treatment 

 had no bacteriolytic power, i.e., sodium hydroxide in a 



TABLE 8 



Bacteriolytic activity of bacteriolysants against old peptone water cultures of normal 



dysentery bacilli {Flexner Y, Hiss and Russell) 



strength of N/5 destroyed the Ij'tic principle, normal sodium 

 hydroxide killed dysentery bacilU and also lysed the organisms. 

 Twenty per cent hydrochloric acid Idlled the culture but did not 

 lyse it (table 9). The organisms treated with hydrochloric 

 acid did not stain well, however. 



