194 



The Dancing Mouse 



times in succession. The first correct trip came usually 

 after not more than five or six tests, but five successive 

 correct trips demanded on the average at least fourteen 

 training tests. 



Destruction of the floor path by movement of the laby- 

 rinth to one side, without changing its relations to the points 

 of the compass, disturbed the mice very little. Only four of 

 the twelve individuals made any mistakes as a result of the 

 change in the tactual conditions, and the average error as it 

 appears in Column III is only .3. 



TABLE 34 

 ROLE OF SIGHT, TOUCH, AND SMELL IN LABYRINTH EXPERIMENTS 



Averages 



5-7 



i4-5 



10.8 



FEMALES 



