LJ. a DEPARTMENT C3F AGRICULTURE 



BUREAU OF CHEMISTRY BULLETIN NO. so. 





IDULTERATED DKHJS AND CHEMICALS, 



I. Inferior Drugs and Insidious Methods of Deception. 



II. Hose (ieranium Oil ami Its Substitutes. 



* 

 111. Phenacetin: Methods of Analysis and Commercial Status. 



By I.VMAN F. KKl.iT.jJER, 



(linf Of Jinn/ Llnn\ttn,'ii. 



WASHINGTON; 



< ) V ]: K \ M K N T I ' I : I N T 1 N < : < ) K F I ( ' !: 

 1 '.MI 4. 



