N. W. Hepburn, in Charge of Dairy 

 IVIanufacturing, College of Agri- 

 culture, University of Illinois. 



F. W. Bouska, Bacteriologist with 

 Beatrice Creamery Co.; Assistant to 

 Prof. McKay; Secretary American 

 Ass'n of Creamery Butter Manufac- 

 turers. 



