41 
Table No. 35. — ShovAng the effect of different percentages of formalin on tetanus toxine, 
six hours'' exposure. 
Weight 
guinea 
pig- 
Time 
, exposed, 
in hours. 
Result. 
Date. 
Dose in 
MLDs. 
Forma- 
lin. 
Death. 
Recovery. 
Days. 
Hours. 
March 1, 1907 
Gh'ams. 
520 
100 
6 
Per cent. 
1 
•2 
1 
Do 
375 
100 1 
1 ' 6 
2 
3 
8 
Do 
400 
100 
' 6 
3 
4 
4 
Do 
390 
100 
6 
4 
6 
Do 
400 j 
100 
6 
5 
-L 
Table No. 36. — Showing the effect of different percentages of formalin on tetanus toxine, 
twenty-four hours' exposure. 
Weight 
guinea 
pig. 
Time 
exposed, 
in hours. 
Result. 
Date. 
Dose in 
MLDs. 
Forma- 
lin. 
Death. 
Recovery. 
Days. 
Hours. 
March 1, 1907 
Grams. 
520 
100 
24 
Per cent. 
1 
4 
21 
Do 
500 
100 
24 
2 
14 
0 
Do 
510 
100 
24 
3 
-f 
Do 
490 
100 
24 
4 
-I- 
Do 
530 
100 
24 
5 
1 
-L. 
Table No. 37. — ShovAng the effect of 3 per cent formalin on tetanus toxine, after exposure 
of from one to six hours. 
Date. 
Weight 
guinea 
pig- 
Dose in 
MLDs. 
Time 
expo.sed, 
in hours. 
Result. 
Death. 
Days. 
XVtJUUVUi} . 
Hours. 
Grams. 
Per cent. 
March 6, 1907 
325 
100 
1 
3 2 
11 
Do 
320 
100 
2 
3 4 
4 
Do 
335 
100 
3 
3 4 
16 
Do 
315 
100 
4 
3 5 
8 
Do 
' 360 
100 
5 
3 5 
0 
Do 
385 
100 
6 
3 6 
4 
Two control guinea pigs for the above three series died in twenty- 
seven and twenty-eight hours, respectively. 
Table No. 38. — Showing the effect of different percentages of formcdin on diphtheria toxine 
after six hours' exposure. 
i 
Weight 
guinea 
pig- 
j 
Time 
exposed, 
in hours. 
Result. . 
Date. 
Dose in 
MLDs. 
Forma- 
lin. 
Death. 
Recovery. 
Days. 
Hours. 
March 1, 1907 
Grams. 
400 
200 
6 
Per cent. 
1 
1 
6 
Do 
390 
200 
6 
2 
3 
13 
Do 
375 
200 
6 
3 
9 
Do 
400 
200 
6 
4 
20 
0 
Parulv.sis. 
Do 
425 
200 
6 
5 
20 
0 
Do. 
