Editorial. 363 



experimental work here. Such work as has been done is 

 abundantly necessar}- — the ground must be broken — but we do 

 plead for long and careful studies in more restricted lines than 

 that represented by simply taking an animal and watching its 

 general behavior. It is time to put the animal in such situa- 

 tions that some one mental act may be exhibited to the exclu- 

 sion of others. john b. watson. 



