19 
No. 19. SaW1)U.ST, IX THE IxrrBATOK, 87° (’. 
Time. 
■ 
Result. 
Remarks. 
‘J days 
. 
10 dav-s 
— 
20 dav.s 
— 
31 da vs 
— 
No. 20. — vSawdu.st, in the Cold Room, 17° to 19° C. 
Time. 
Result. 
Remarks. 
2 days 
10 days 
— 
20 days 
— 
30 days 
— 
No. 21. — S.VWDUST, IX 
Dark Room, 22° to 29° C. 
Time. 
Result. 
Remarks. 
2 days 

10 days 
— 
20 days 
— 
' 
These results on sawdust correspond with other attempts made to 
keep the organism alive on wood. In no case was it found alive on 
wood after a few days. 
PLAGUE CULTURE ON WOOL. 
Wool was inoculated with a culture of plaoTie and kept in a Petri 
di.sh to dry out. 
The following- is very suggestive, for it indicates that the organism 
mav remain alive a long time in the fur of animals: 
No. 22. — Plague ox Wool.. 
1 Time. 
Result. 
Remarks. 
1 days 
+ 
7 (lavs 
+ 
27 (lavs 
+ 
The wcM)l is dry. 
■13 (lavs 
+ 
.‘>2 (lavs 
+ 
Contaminated. 
62 days 
- 
Do. 
73 days 
Do. 
93 days 
Do. 
