76 



HARRY MILES JOHNSON 



The animals' behavior in this new situation is interesting. 

 The turning of the box 90° made the problem practically a 

 new one for each dog. Every animal attacked the box at the 

 northwest corner, as if the latch were still there. After the 

 usual methods of "nosing," scratching and biting had failed, 

 the animals resorted to violent random mo\-cments, scratching 



