BULLETIN OF THE HYGIENIC LABORATORY, 
JJ, S. Jifarine-Sospital Service. 
WALTER WYMAN, Surgeon- General. 
PRELIMINARY NOTE 
ON THE 
Viability of the Bacillus Pestis 
(Feo:\i Public Health Reports, May 25 , 1900 }. 
M. J. ROSENAU, 
PASSED ASSISTANT SURGEON, DIRECTOR HVTGIENIC LABORATORY, 
U. S. MARINE-HOSPITAL SERVICE. 
WA.SHIN'G-TOnS', 33. C. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1900 . 
