COLOR BLINDNESS OF CATS 



131 



TABLE XI (B) 



Confusions Made by Cat 5 



Stimulus Color, Blue. F.E.— 21 



Correct No. of 



Choices Trials 



340 600 



442 600 



368 600 



401 600 



TABLE XII (A) 



Confusions Made by Cat 3 

 Stimulus Color, Red. F.E.— 25 



*It will be seen from this record of VB that an animal may make as high as 73% 

 of correct choices and yet fail to discriminate twenty-four times out of thirty trials, 

 and this failure is confirmed by the record of Cat 3 on the same color. 



