1290] i 
CHAMBERS— BACTERIAL INHIBITION BY METABOLIC PRODUCTS 277 
Bacteria per cc. 
' (Logs. ) 
9.0 
— 
~] 
P LL 
r 
l 
l | * 
5.0 seil y 
a E | P 
M, | ; 
4.0 M — 
Pa 
4.0 
: ET risus: pne, A 
5.0 EL hp ua 
PL RUP. T 
6.0 emmm 
AL 
7.0 
8.0 
9.0 
144 192 240 
Hours l 0 48 96 
Growth and hydrogen ion concentration of Bacillus coli at 30? C., varia- 
F 
tion in initial dextrose in asparagin bouillon. 
——————— 1.0 per cent dextrose. 
-------- 2.5 per cent dextrose. 
— — — — 5.0 per cent dextrose. 
