ONTARIO AGRICULTURAL COLLEGE 



BULLETIN 145 



Butter Preservatives 



By 

 H- H. DEAN, Professor of Dairy Husbandry 



and 

 ,R HARCOURT. Professor of Chemistry 



PUBUSHED BY THE ONTARIO DEPARTMENT OF AGRICULITJRE 

 TORONTO. ONT.. JUNE. 1905. 



Pnnted by L. K. CAMERON, Printer to the King's Mort Excellent Majorty 



