/ 
TREASURY DEPARTMWT. 
Public Health and Marine-Hospital Service of the United States. 
Walter Wyman, Surgeon-General. 
HYGIENIC LABORATORY.— BULLETIN No. 23. 
AUGUST 1, 1905. 
CHANGES IN 
THE PHARMACOPCEIA OF THE 
UNITED STATES OF 
AMERICA 
EIGHTH DECENNIAL REVISION. 
(Official from September 1, 1905.) 
REID HUNT 
and 
MURRAY GALT MOTTER. 
