92 
THE DEATH-POINT OF 
Inoculation Experiments made with the view of ascertaining the Tem- 
peratures at which Bacteria, Vibriones, and their supposed Germs 
are killed in Organic Infusions. 
NEUTRAL HAY-INFUSION. 
1. Number Results 
Temp. to “of Date | at Expiration 
which . of Turbidity, 
Experiments if of the 
exposed made. Hany. 8th day. 
ol E ) 1 24 hours. Turbid. 
131° F. 7 48 hours. All turbid. 
if 1 in 48 hours, 
140° F, 9 Aa ed All turbid. 
( rin 8 days, . 
op 2in 5 days. } re turbid. 
nao 4 { rin 8 days One clear. 
158° F. 15 aes All clear. 
167° F. 4 ae All clear. 
176° F. 
(80° C.) 12 sve All clear. 
ACID TURNIP-INFUSION. 
Number Results 
a D: beaaeas 
rent ‘ E. ee of Turbidity, at een 
exposed. aaa dé: if any. 8th day. 
122° F, ase ? “ eo 
130° F. 7 Ge dina All turbid. 
6 in 4o hours, 
140° F, 12 4in 3 days. } All turbid. 
2in 4 days. f 
rin 3 ea % aa 
3in 5 days. even turbid. 
149° F. a2 rin 7 days. {re clear. 
2in 8 days, 
158° F, 17 see All clear. 
167° F. 4 oe All clear. 
176° F. a eee sa 
