AGRICULTURAL EXPERIMENT STATION. 21 



ing of a mixture of corn and some higUy nitrogenous material. 

 Two lots of cockerels, of twelve each. 



Time : Fall, 1886. 



Results published: Eeport M. E. S., 1886-7, pp. 101-104. 



{20) Dairy Experiment. 



Object : The effect of varying temperature at which milk is set 

 for cream raising. (1) Upon volume of cream. (2) Upon com- 

 position of cream. (3) Upon quantity of cream to each pound of 

 butter. (4) Upon fat left in skimmed milk. Other minor points 

 are considered. 



Plan : The setting of equal weights of same milk at different 

 temperature, the milk, cream and skimmed milk to be analyzed, 

 and the cream and butter weighed. 



Time : Spring and summer, 1887. 



Results published: Report M. E. S., 1886-7, pp. 107-119. 



(2i) Available Nitrogen. 



Object : Relative value of organic nitrogen in different fertilizers. 



Plan : Treatment of fertilizers with an artificial pepsin solution, 

 and determination of undissolved nitrogen. 



Time : Spring, 1887. 



Results published: Report M. E. S., 1886-7, pp. 124-126. 



{22) Digestion Methods. 



Object : The comparison of artificial digestion of protein, with 

 results obtained by experiments with animals ; also errors for pro- 

 tein of natural method. 



Plan : Treatment of foods used in digestion experiments with 

 animals witli artificial solutions of pepsin and pancreas, and treat- 

 ment of faeces with such solvents as will remove the "stoff-wechsel 

 producte," and not act upon the undigested food residue. 



Time : Fall and winter 1886-7. 



Results published : Report M. E. S., 1886-7, pp. 127-135, and 

 this report. 



(^3) Test of Varieties. 



Object : Test of comparative value of different varieties of oats. 



Plan : The sowing of equal areas with the different varieties under 

 similar conditions, the main facts of growth, yield and bushel 

 weight to be recorded. 



Time: Spring, 1886. 



