TREASURY DEPARTMENT. 
Public Health and Marine-Hospital Service of the United States. 
Walter Wyman, Surgfeon-General. 
HYGIENIC LABORATORY.- BULLETIN No. 15. 
M. J. lOirector. 
July, 1903. 
INEFFICIENCY OF FERROUS SULPHATE 
AS AN ANTISEPTIC AND 
GERMICIDE. 
BY 
ALLAN J. McLaughlin. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1903. 
