Immunity Against Hemorrhagic Septicemia 
Table 25. 
19 
The average surviving periods of rabbits dead as the result of 
virus injections aft varying periods after serum treatment , in 
hours. 
Injection 
Virus 
Serum-treated 
Virus-control 
of 10 c.c. 
injection 
rabbits 
rabbits 
of serum 
after 
Remarks 
No. 
serum. 
No. of 
Surviving 
No. of 
Surviving 
Days 
rabbits 
periods 
rabbits 
periods 
1 
2 
204 
2 
48 
4 
2 
144 
2 
36 
1052 
8 
2 
132 
2 
60 
11 
2 
72 
2 
36 
14 
2 
84 
2 
48 
3 
2 
120 
2 
24 
1440 
7 
2 
48 
2 
60 
11 
2 
24 
2 
24 
l 15 
2 
36 
2 
24 
1522 
J 
r 7 
3 
48 
2 
36 
1 
i ii 
2 
24 
2 
24 
r 4 
3 
136 
2 
24 
1178 
8 
3 
40 
2 
24 
12 
2 
24 
1 
24 
[ 16 
3 
40 
1 
24 
i 
i 4 
2 
84 
2 
24 
1434 
8 
3 
56 
2 
24 
1 
12 
2 
24 
1 
24 
l 16 
3 
24 
1 
24 
r 4 
3 
144 
2 
24 
1828 
8 
3 
32 
2 
24 
j 12 
3 
24 
1 
24 
l 16 
3 
32 
1 
24 
| 
[ 4 
3 
32 
2 
24 
1829 
8 
12 
3 
24 
32 
2 
24 
I 
3 
1 
336 
i 16 
3 
32 
1 
24 
1 4 
3 
72 
2 
24 
1830 
1 • 8 
3 
32 
2 
24 
I 12 
3 
24 
1 
24 
l 16 
3 
136 
1 
24 
