BULLETIN No. 3 OF THE HYGIENIC LABORATOKY, 
Treasury Department, TJ. S. Marine- Hospital Service. 
WALTER WYMAN, Suryeon-General. 
SULPHUR DIOXIDE 
AS A 
GERMICIDAL AGENT. 
H. D. GEDDINGS; 
PASSED ASSISTANT SURGEON, ACTING DIRECTOR HYGIENIC LABORATORY, 
U. S. MARINE-HOSPITAL SERVICE, 
W^YSHINGTON, JD. C. 
WASHINGTON : 
GOVERNMENT PRINTING OFFICE. 
1902. 
