20 



When fed all together in the original grain, cotton seed pro- 

 duced the effect of the meal or nitrogenous matter ; while corn pro- 

 duced the effect of the starch. 



These trials with carbohydrates, albuminoids, and fats were not 

 numerous enough to enable one to formulate a new theory from 

 them or to overthrow old theories ; but they do not agree with the 

 theory that milk fat is formed from the albuminoids only of the 

 food constituents, and that fats in the food do not enter into the 



fat of the milk. 



F. W. Morse, Chemist. 



