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The fat is raised to the neck of the test bottles with hot water, 

 and after whirling for two minutes longer it is raised into the 

 graduated tube, and then whirled another minute. The fat is 

 read directly in per cent, on the graduated tube. 



The apparatus is not patented, and can be obtained of Cornish, 

 Curtis & Greene, Fort Atkinson, Wis. This station will give 

 practical instruction to those who desire to become better acquaint- 

 ed with the workings of the method, in the same manner as indi- 

 cated in Bulletin XVII of this Station. 



ON THE EFFECT OF A GRAIN RATION FOR COWS AT PASTURE. 



