BUI.I.ETI.\ \o. 1 OF THE lIYOIE\li' I.ABORATOKV, 
Treasavy Department, U. S. Marine- Hospital Service, 
WALTP:R WYMAN, Surgeon-General. 
I 
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VIABILITY 
OF THE 
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BACILLUS 
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M. J. ROSENAU, 
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PASSED ASSISTANT SURGEON, DIRECTOR HYGIENK' LABORATORY, 
U. 8. MARINE HOSPITAL SERVICE, 
13. C. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
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