106 
counted from that time. At the conclusion of the experiments the 
process of oxidation of the alcohol seemed to be completed except in 
experiment No. 71. In this experiment, temperature 50° F. ; both 
lamps were still burning at the end of 2 hours. 
EXPERIMENT NO. 68. v 
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: Damp and cloudy, light wind. 
Temperature in car at beginning of experiment, 77° F. 
Relative humidity in car at beginning of experiment, 71 per cent. 
Time of exposure, 2 hours (11.40 a.m.to 1.40 p. m.) from time of starting lamps and closing car. 
Temperature in car after opening and airing 20 minutes, 81° F. 
Relative humidity in car after opening and airing 20 minutes, 72 per cent. 
« 
[4- means growth, — no growth.] 
Organism. 
Place of exposure in car. 
Result. 
B. coli communis 
Toilet room 
Smoking room 
— 
Floor, main sleeping compartment 
Berth, upper No. 5 i 
— 
Berth, lower No. 8 
— 
B. diphtherise 
Smoking room 
Drawing-room 
— 
Floor, main sleeping compartment 
+ 
Berth, upper No. 4 
— 
Berth, lower No. 4 
- 
B. typhosus 
Toilet room 
_ 
Smoking room 
— 
Drawing-room 
— 
Floor, main sleeping compartment 
- 
Berth, lower No. 9 
- 
B. subtilis 
Smoking room 
+ 
Drawing-room 
+ 
Floor, main sleeping compartment 
+ 
Berth, upper No. 7 
+ 
Berth, lower No. 6 
+ 
B. tuberculosis 
Floor, main sleeping compartment 
+ 
Sputum exposed by Wilson method and injected into guinea 
pig; pig chloroformed 90th day; increased 230 grams in weight; 
tubercular lesions in liver, spleen. 
Floor, main sleeping compartment 
+ 
Sputum exposed on carpet and injected into guinea pig; pig 
chloroformed 90th daju increased 100 grams in weight; marked 
lesions of tuberculosis in liver, spleen, lungs, diaphragm, and 
lymph glands. 
Control guinea pig died of tuberculosis 60th 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.] 
