TREASURY DEPARTMENT. 
Public Health and Marine-Hospital Service of the United States. 
Walter Wyman, Surgeon-General. 
HYGIENIC LABORATORY.— BULLETIN No. 15. 
jVI. J. R0SE]S[.A.ILJ. Director. 
July, 1903. 
INEFFICIENCY OF FERROUS SULPHATE 
AS AN ANTISEPTIC AND 
GERMICIDE. 
BY 
A.LLAS.1N J. lytcLAUTGITLIN. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1903. 
