32 
]S"o. 53. 
One and twenty-five hundredths cubic centimeters per square foot, I 
sprinkled, moist sheets, forty-eight hours. ;l 
Five cubic centimeters formalin sprinkled on sheet at bottom of a box .1 
2 by 2 by 2 feet. Cultures on slips of filter paper, moist. Sheets still | 
moist from sterilizer, forty-eight hours’ exposure. 
Layers of sheets. Typhoid. 
Anthrax Diph- 
spores. theria. 
9 — 
10 — 
— — 
11 ' — 
— — 
12 — 

14 — 

15 
16 — 
— 
17 — 
■ 
18 

19 

Controls — 
— — 
Xo. 54. 
Four cubic centimeters per square foot, sprinkled, cheese cloth, ji 
seventy-two hours. 
Six cubic centimeters formalin sprinkled on a sheet at bottom of a box 'I 
15 by 15 by 15 inches. Fresh moist cultures on slips of filter x^aper ' 
placed between layers of sheet, three days’ exposure. 
Layers. 
. Diph- Subtilis 
Typhoid, 
20 
JO 
— — — 
6<j 
80 
— _ : u- 
Controls 
- - + 
Xo. 55. 
Two and seven-tenths cubic centimeters per square foot, sprinkled, 
sheets, seventy- two hours. 
Four cubic centimeters formalin sprinkled on a sheet on bottom of a 
box 15 by 15 by 15 inches. Fresh moist cultures on slips of filter x>aper i 
jfiaced between layers of sheet, three days’ exposure. 
Layers. 
Typhoid. 
Diph- 
theria. 
Subtilis 
spores. 
8 
15 
Controls 
1 
— 
— 
— 
1 
- 
- 
