U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF CHEMISTRY BULLETIN NO. 80. 



H. W. WILEY, Chief of Bureau. 



ADULTERATED DRUGS AND CHEMICALS. 



I. Inferior Drugs and Insidious Methods of Deception. 

 II. Rose Geranium Oil and Its Substitutes. 

 III. Pheuacetin: Methods of Analysis and Commercial Status. 



By LYMA1ST F. KEBLER, 



Chief of Drug Laboratory. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1904. 



