8 



6 ~ 



PH 



4 8 



TIME, HOURS 



12 



Figure 8. The effect of diethyl malonate (1.3 X lO'^ M) on the pH and 

 sporulation of a culture of Bacillus cereus T. 



8 



Addition 



2x10 8 



Normal 

 Culture 



^MIO 4 



A_-^ ■■ 



Diethyl succinate 



8 

 TIME, HOURS 



16 



Figure 9. The effect of diethyl succinate (2 X IQ-^ M) on the pH and sporulation of 

 Bacillus cereus T. 



