144 



EXrEUniENT STATION. 



Jan. 



History of the Cons, 1900-10. 



The first four cows wore used in Experiments I. and II. ; 

 cow May Rio was sul)stitiited for Minnie in Experiment III. 



Duration of the Three Experiments, 1909-10. 



Experiment I. 



Experiment II. 



December 2.5, througli .lanuary 21, 



January 29, through February 2.'j, 



[Minnie and Samantha 

 i Red III. and Ida. 

 f Red III. and Ida. 

 I Minnie and Samantha. 



Corn meal. 

 Ground oats. 

 Corn meal. 

 Ground oats. 



March 4, throu",h .Vpril 1, 



A)iril 9, through May G, 



Experiment III. 



f Samantha and Red III. 

 [ Ida and May Rio. 

 f Ida and May Rio. 



i Samantha and Rod III. 



Corn meal. 

 Ground oata. 

 Corn meal. 

 Ground oats. 



It will l)e seen that eaeh period lasted twentv-eiiiht days with 

 an interval of seven days between each experiment and each 

 half. 



