80 



Bulletin 1Y3. 





Hill 



iii 



mm 



i 



im^^^ 



^^^: 



s 



i 



11 



^MmmI 



s^mMx^ 



^^ 



^ 



g 



20. — Diagram showing the average loeekly yield of butter fat during the experiment 

 of 1895-6. Each space between the perpendicular lines represents one week. 

 Each space between the horizontal lines repi'esents one-tenth of one pound of 

 fat. 



