1 68 



The Dancing Mouse 

 TABLE 26 CONTINUED 



in explanation of the choices of No. 5 ? I can think of no 

 more reasonable way of accounting for this most unexpected 

 result of the brightness tests than the assumption that both 

 of these animals had learned to discriminate by brightness 

 difference instead of by color. 



Immediately after the brightness series, the influence of 

 making first one color, then the other, the brighter was studied. 



1 Brighter. 2 Darker. 



