i So 



The Dancing Mouse 



other with orange, were used. For the form discrimination 

 tests I used instead one of the circular boxes of the dimen- 

 sions given above and a rectangular box 8.5 cm. long, 5.5 cm. 

 wide and 2.5 cm. deep. " Force" was placed in the circular 

 box. The tests were given, in series of 20, daily. 



The results of 15 series of these tests, as may be seen by 

 the examination of Table 30, are about as definitely nega- 

 tive, so far as form discrimination is in question, as. they 

 possibly could be. From the first series to the last there is 

 not one which justifies the inference that either of the dancers 



TABLE 30 

 VISUAL FORM TESTS 



