28 
Xo. 44. 
Two and seven tenths cubic centimeters formalin per square foot. 
Cultures between layers of blanket, forty-eight hours. 
Four cubic centimeters formalin sprinkled on a blanket at the bottom 
of a box 15 bv 15 bv 15 inches. 
Slips of filter paper moist and freshly prepared from bouillon cul- 
tures were placed between layers of dry blankets, forty-eight hours’ 
exposure. 
Layers of blankets. 
Tj-phoid. 
Anthrax 
spores. 
Diph- 
theria. 
O 
4 
— 
— 
6 
— 
-j- 
— 
8 
— 
~r 
— 
Controls 
4- 
- 
- 
a Retarded five days — very light growth. 
Xo. 45. 
Two and seven-tenths cubic centimeters formalin per square foot. 
Cultures between layers of blanket, seventy-two hours. 
Four cubic centimeters formalin sprinkled on a blanket at the bottom 
of a box 15 by 15 by 15 inches. 
Slips of filter paper moist and freshly prepared from bouillon cultures 
were xfiaced between layers of dry blankets, seventy-two hours’ exposure. 
Layers of blankets. 
Typhoid. 
Anthrax 
spores 
Diph- 
theria. 
O 



4 
— 
— 
— 
6 
— 
— 
— 
8 
— 
”7“ 
— 
Controls 
4- 
— 
Xo. 46. 
Two and seven-tenths cubic centimeters formalin per square foot. 
Cultures between layers of blankets, ninety hours. 
Four cubic centimeters formalin sprinkled on a blanket at the bottom 
of a box 15 bv 15 bv 15 inches. 
Slips of filter paper, moist and freshly prepared from bouillon cultures, 
were placed between layers of dry blankets, ninety hours’ exposure. 
Layers of blankets. 
Typhoid. 
Anthrax 
spores. 
Diph- 
theria. 
9 
4 
6 „ 
8 
1 1 1 
4- 
1 1 1 
Controls 
” 1 “ 
— 
