76 
Experiment Xo. 50. 
B. dysenterise. 
Culture. “‘Wilson;’’ forty-eight hours’ growth in sterilized milk. Reaction, 0.144 
per cent acid. 
The milk at 26° C. immersed in constant-temperature water bath at 60° 
Milk culture. 
Temperature 
CC... 
J c. c. milk 
culture iu 
bouillon. 
ilcll t 
1| minutes after immersion 
^0 
.50 
til. 
Do. 
2 minutes after immersion 
55 - 
Do. 
2| minutes after immersion 
5S 
Do. 
5 minutes after inunersion 
.... 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. . . 
10 minutes at 60. . 
Do. - 
Do. 
Do. 
Do. 
No growth. 
Experiment Xo. 51. 
B. dysenteric. 
Cultiu'e. ‘“Ml. Desert;" foity-eight lioiu's’ growth in steiilized milk. Reaction, 
0.252 per cent acid. 
The milk at 26° C. immersed in constant-temperature -water bath at 60° C. 
MUk culture. Temperature "eu'lturefl 
^ bonillon. 
At start 
H minutes after immersion . 
2 minutes after immersion . . 
2h minutes after immersion . 
5 minutes after immersion . . 
6 minutes after immersion . . 
7 minutes after immersion . . 
8 minutes after immersion . . 
10 minutes after immersion . 
1.5 minutes aftnr immersion 
26 Gr-owth. 
50 Do. 
.55 Do. 
.58 Do. 
GO Do. 
1 minute at 60 Do. 
2 minutes at 60 .. . Do. 
3 minutes at 60 .. . Do. 
5 minutes at 60 - No growth. 
10 minutes at 60 . . Do. 
