TREASURY DEPARTMENT. 
Public Health and Marine-Hospital Service of the United States. 
Walter Wyman, Surgeon-General. 
HYGIENIC LABORATORY.— BULLETIN No. 9. 
IIVE- vT- ZROSEHEST-A-XT^ XD±ar*ec'fcoi?_ 
s e: f»t e: ivi b e: r , 1^02. 
PRESENCE OF TETANUS 
IN 
COMMERCIAL GELATIN 
BY 
JOHN F. ANDERSON. 
WASHINGTON : 
fl O V K U N M E N T 1’ U I N T 1 N O () K K I C K . 
1 902 . 
