The IvELATioN OF Food to Milk-Fat. 



81 



E^ 



21. — Diagram shmcing the average tneekly yield of butter fat during the experi7ne?it 

 of 1896-7. Micfi space between the perpendicular lines represents one xceek. 

 Each space between tJie horizontal lines represents (me-tenth of one pound of 

 fat. 



6 



