TREASURY DEPARTMENT. 
Public Health and Marine-Hospital Service of the United States. 
Walter Wyman, Surgeon-General. 
HYGIENIC LABORATORY.-BULLETIN No. 19. 
October, 1 90Y. 
A METHOD FOR INOCULATING ANIMALS 
WITH PRFXISE AMOUNTS. 
AI. J. ROSEXAIU, 
DIRECTOR OR TDE RYGIE^CIC LABORATORY. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1904. 
