U. S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF CHEMISTRY. 

 BULLETIN No. 13. 



AND 



FOOD ADULTERANTS 



INVESTIGATIONS MADE BY AUTHORITY OF 



THE COMMISSIONER OF AGRICULTURE, 



UNDER DIRECTION OF 



THE CHEMIST. 



PART FOURTH: 



LARD AND LARD ADULTERATIONS. 



BY 



II. W. WILEY. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1880. 

 17319 pt. 4 1 



