TRANSFER OF RESPONSE IN THE WHITE RAT 



35 



100. 



1S~ 



SO' 



2i- 



Figure IX 



Figure X 



Curves 99 (Figure IX) and 102 (Figure X) are individual curves from Group Ten. 

 The horizontal lines represent the percentage of correct responses. The vertical 

 lines represent the number of series of 20 trials each. The dotted lines represent the 

 record for correct responses and for hesitations. In lettering, — A is the end of the 

 learning process with the light, B is the end of the simultaneous series, C is the end 

 of the learning process with the sound. 



