L 



BULLETIN 



UL\ 



FOODS 



AND 



AGSTUHAL 

 LIBRA 



UNIVERSITY 

 | c ; IA. 



FOOD ADULTEBA^TS. 



INVESTIGATIONS MADE 15V AUTHORITY OF 



THE COMMISSIONER OF AGRICULTURE, 



UNDER DIRECTION OF 



THE CHEMIST. 



PART FOURTH: 



LARD AND LARD ADULTERATIONS. 



BY 



H. W. WILEY. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1889. 



