224 



The Dancing Mouse 



TABLE 40 

 RESULTS OF LABYRINTH-D EXPERIMENTS, WITH TWENTY DANCERS 



MALES 



FEMALES 



behavior of an individual in labyrinths C and D. In the 

 former, even after it has learned the path perfectly, the mouse 

 hesitates at the doorways from time to time as if uncertain 

 whether to turn to one side or go forward ; in the latter there 

 is seldom any hesitation at the turning points. The irregular 

 labyrinth is followed carefully, as by choice of the path from 

 point to point; the regular labyrinth is followed in machine 

 fashion, once started, the animal dashes through it. 



From the results of these labyrinth experiments with 

 dancers I am led to conclude that a standard maze for test- 

 ing the modifiability of behavior of different kinds of animals 

 should be constructed in conformity with the following sug- 

 gestions. Errors by turning to the right, to the left, and by 

 moving forward should occur with equal frequency, and in 



