108 
EXPERIMENT NO. 70. 
Two generating lamps; commercial wood alcohol 3,000 c. c. (1,500 c. c. in each lamp). 
Lamps placed one in each end of main sleeping compartment of car. 
Weather: Clear and dry, light southwesterly breeze. 
Temperature in car at beginning of experiment, 65° F. 
Relative humidity in car at beginning of experiment, 48 per cent. 
Time of exposure, 2 hours (11.15 a. m. to 1.15 p. m.) from time of starting lamps and closing car. 
Temperature in car after opening and airing 10 minutes, 69° F. 
Relative humidity in car after opening and airing 10 minutes, 39 per cent. 
[4- means growth, — no growth.] 
Organism. 
Place of exposure in car. 
Result. 
B. coli communis 
Toilet room 
4- 
Smoking room 
. + 
Drawing-room 
+. 
Floor main sleeping compartment 
4- 
Berth, lower No. 6 
+ 
B . diphtherias 
Toilet room 
+ 
Smoking-room 
+ 
Drawing-room 
4 
Floor main sleeping compartment ; 
+ 
Berth, lower No. 4 
+ 
B. typhosus 
Toilet room 
v 
Smoking room 
+ 
Drawing-room 
+ 
Floor main sleeping compartment 
4- 
Berth, upper No. 3 
+ 
B. subtilis 
Smoking room 
+ 
Drawing-room 
+ 
Floor main sleeping compartment 
+ 
Berth, upper No. 7 
+ 
Berth, lower No. 8 , 
+ 
B tuberculosis 
Smoking room 
+ 
Sputum exposed and injected into guinea pig; pig chloroformed 
96th day; increased 300 grams in weight; tubercular lesions in 
spleen. 
Floor main sleeping compartment 
4- 
Sputum exposed and injected mto guinea pig; pig chloroformed 
96th day; increased 230 grams in weight; liver, spleen, and lymph 
glands show lesions of tuberculosis. 
Control guinea pig died of tuberculosis 63d day. 
a In experiments Nos. 68, 69, 70 and 71, the quantity of wood alcohol was about 10 per 
cent less than is required by U. S. Quarantine regulations. — [Ed.] 
