13 
No. 11. 
Five-tenths cubic centimeter formalin per square foot, sprinkled, 
' blankets, twenty-four hours’ exposure. - 
Two cubic centimeters formalin sprinkled on a blanket at the bottom 
of a box 2 by 2 by 2 feet. The cultures on slips of paper, moist and 
freshly prej^ared, placed between layers of blankets, exposed twenty four 
hours. 
Xo. 12. 
Five-tenths cubic centimeter per square foot, sprinkled, formalin 
twenty-four hours. 
Three cubic centimeters formalin sprinkled on blanket at bottom of 
a box 3 feet 4 inches by 1 foot 9 inches by 1 foot 9 inches. Fresh moist 
cultures on slips of filter paper. Box opened after twenty-four hours. 
Layers 
of blankets. 
Typhoid. 
An thrax 
spores. 
Diph- 
theria. 
Remarks. 
1 
_ 
+ 
_ 
2 
-f 
— 
3 
-f 
-1- 
(a) + 
a Small growth and retarded. 
4 
— 
-1- 
+ 
Do. 
5 
-I- 
-f- 
— 
, 6 
+ 
+ 
-1- 
4 - 
-f 
+ 
' 8 
+ 
+ 
9 
-h 
-f - 
+ 
10 
-h 
-f 
+ 
11 
— 
Controls.. 
+ 
"T 
~ 
No. 13. 
Six-tenths cubic centimeter per square foot, sprinkled on blanket, 
twenty-four hours’ exposure. 
One cubic centimeter formalin sprinkled on blanket at bottom of 
