15 
s 
No. 15. 
WSix-tenths cubic centimeters diluted per square foot, sprinkled on 
blankets, twenty* four hours. 
f'' One cubic centimeter of formalin diluted with 4 c. c. of distilled 
water sprinkled in small drops on a blanket carefully smoothed out over 
the bottom of a box 15 by 15 by 15 inches. Freshly prepared cultures 
on slips of filter paper, still moist, placed between layers of blankets. 
Box opened after twenty-four hours. 
Layers of blankets. 
Typhoid. 
Anthrax 
spores. 
Diph- 
theria. 
1 
_ 
+ 
0 
— 
+ 
— 
3 
— 
+ 
— 
4 
— 
“T 
+ 
6 
— 
_L 
-i- 
8 
+ 
4 - 
+ 
Controls 
+ 
+ 
4- 
No. 16. 
Six- tenths cubic centimeter formalin diluted per square foot, sprin- 
kled, blankets, twenty-four hours. 
One cubic centimeter diluted in 5 c. c. water ; otherwise the same 
conditions as No. 14. 
Layers of blankets. 
Typhoid. 
Anthrax 
spores. 
Diph- 
theria. 
1 ; 


“T 
2 
— 
+ 
4- 
3 
— 
-j- 
4 
— 
+ 
— 
5 
— 
+ 
— 
Controls 
-f 
-U 
+ 
No. 17. 
Six-tenths cubic centimeter formalin diluted per square foot, sprinkled, 
blankets, twenty-four hours. 
One cubic centimeter formalin and 15 c. c. water, sprinkled on 
blankets; otherwise the same conditions as Nos. 14 and 15. 
Laye).-o olankets. 
1 
Typhoid. 
Anthrax Di, h- 
spores, theria. 
1 
_ 
— -f 
9 
Q 
— 
4 
— 
(c)-f ! — 
— 
(c)+ — 
Controls 
+ 
+ i ^ 1 
c Contaminated. 
