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J. F. DASHIELL 



upon a table top upon which had been set the food box, and let- 

 ting them learn to enter the box by pushing open the wire mesh 

 swinging door. This was a simple matter and learned at one 

 trial. The process was repeated for a total of seven trials. No 

 maze of any sort was used. A similar introduction to food box 



N A 



PA 



and door was given all the other groups just preceding the pre- 

 liminary training to be next described. 



Group II was made only to pass through the single passage NA 

 (no blind alley), figure 1, before entering the food box. This 

 passage way was constructed of the same materials (cork floor, 

 iron sides, glass cover) as used in the mazes of the training series 



