17 
BACILLUS TYPHOSUS. 
Pereentaere 
Time of exposure in minutes. 
used. 2. 
5. 10. 
15. 
20. 
30. i 40. 
50. 60. 
5 + ! + 
E ; E 
+ 
+ : ^ 
+ + 1 
10 E ! + 
E E 
— 
— 
— j _ 
15 + 1 + 



— — 

25 - - 
VIBRIO CHOLER.U. 
Time of exposure in minutes. 
used. 
1. 2. 
5. 
7. 
10. 
15. 
20. 
30. 
40. 
50. 
60. 
0. 5 
_ ^ 
! 
1 
i E 
E 
E 
+ 

1.0 
- E 
-i- 
E 
E 
— 
— 
— 
— 
— 
3.0 
E E 
-r 
! 
E 
— 
— 
— 
— 
— 
— 
5.0 
E E 
' ^ ’ 
10.0 
+ 
BACILLUS DYSENTERI.E (SHIGA). 
Percentage 
Time of exposure in minutes. 
used. 
1. 
4. 
5. 
10. 
20. 30. 
' 50. 
60. 
5 
-f 
+ 
E 
-f -h 
+ 
+ 
10 
+ 
*T~ 
-r 
E 
-j- 
— 
15 
“T 
E 
— — 
— 
— 
25 
"T 
_ , _ 
~ 
BACILLUS DIPHTHERLE. 
Percentage 
used. 
Time of exposure in minutes. I 
5. 1 
1 10. 
15. ! 20. 
30. 
40. 
50. 
60. 
5 
i 
: 
E : E 
E 
E 
f 
-i- 
10 
1 — 
E 
E E 
E 
E 
— 
15 
i E 
E 
• E ‘ E 
E 
+ 
— 
— 
25 
E 
E 
E E 
STAPHYLOCOCCUS EPIDERMIS ALBUS. 
Percentage , 
used. 
Time of exposure in minutes. ■ 
1. 
3. 
5. 
10. 
20. 
: 30. 
40. 
50. 
60. 
3 
+ 
E 
E 
E 
E 
E 
+ 
5 
E 
E 
E 
E 
E 
E 
— 
— 
10 
: -j- 
E 
_u 
E 
E 
E 
— 
— 
— 
15 
-j- 
E 
E 
E 
— 
— 
— 
— 
— 
! 25 
i 
■ 
~ 
~ 
~ 
Controls all grew within 24 hours. 
