Experiment Xo. 48. 
B. dysenierids. 
Culture, ‘‘Kruse;” forty-eight hours’ growth in sterilized milk. Reaction, 0.144 per 
cent acid. 
The milk at 24° 0. immersed in constant-temperature water hath at 00° C. 
Milk culture. 
Tem- 
pera- 
ture. 
C C.). 
' i c. c. milk 
culture in 
bouillon. 
At start 
24 
Growth. 
1| minutes after immersion 
50 
Do. 
21 minutes after immersion 
55 
Do. 
3 minutes after immersion 
58 
Do. 
3| minutes after immersion 
' 60 
Do. 
4| minutes after immersion 
60.5 
1 Xo groNrth. 
5| minutes after immersion 
61 
Do. 
61 minutes after immersion 
61.5 
Do. 
7| minutes after immersion 
61. 5 
■ Do. 
8| minutes after immersion 
61 ■ 
Do. 
Experiment Xo. 49. 
B. dysenterix. 
Culture, “Witaus;” forty-eight liours’ growth in sterilized milk. Reaction, 0.234 
per cent acid. 
The milk'at 2(5° C. immersed in constant-temperature water hath at 00° C. 
Milk culture. 
1 
Temperature 
CC.). 
h c. c. milk 
culture in 
bouillon. 
At start 
25 
Growth. 
Ij minutes after immersion 
'50 
Do. 
2 minutes aftes immersion . 
55 
Do. 
3 minutes after immersion 
58 : 
Do. 
5 minutes after immersion 
60 
Do. 
6 minutes after immersion 
7 minutes after immersion • 
8 minutes after immersion 
10 minutes after immersion 
15 minutes after immersion 
1 minute at 60 
2 minutes at 60. . . 
3 minutes at 60. . . 
' 5 minutes at 60 
10 minutes at 60. . 
Do.- 
Do. 
Do. 
Do. 
No growth. 
