U. S. DEPARTMENT OF AGRICULTURE. 



DIVISION OK CIIK.MISTllY. 

 BULLETIN No. 23. 



AGRICULTURAL 

 LIBRARY.] > 



UNIVERSITY 



- p - 

 CALIFORNIA. I 



TJLAR TREATISE 



\ THK 



EXTENT AND CHARACTER 



OF 



FOOD ADULTERATIONS. 



II Y 



ALEX. J. WEDDERBURN, 



SPECIAL AGENT. 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. 



WASHINGTON: 



GOVERNMENT PRINTING 



1890. 



