39^ 'Journal of Comparative Neurology and Psychology. 



Sixth test. No. 9 was put into the oliservation-box aud No. 6 was free 

 in the cage. 



P. 1 and P. 2. No. 9 saw in part. 



P. 3 to P. 7. No. 9 saw the entire performance. 



No. 6 was taken out aud No. 9 was released. No. 9 ran up the wire, aud 

 came back to the floor aud to the paper; he looked at it and climbed up on 

 it. He then ran up the wire. Again he went to the paper and bit at the 

 edge of it. Then he climbed up on it and jumped to the wire front. He 

 repeated this performance twice. Then he ran all about the cage and came 

 back to the screen. This he did repeatedly. He seemed more bent on 

 getting out of the cage than on getting food. Several times he put his 

 nose to the paper, but was not persistent about it, looking away at once. 

 Later he bit the lower edge of the frame. Still later he bit at the fi-ame 

 next the edge of the paper. 



Seventh test. The box was below the screen. No. 9 and No. 2 were free 

 in the cage. 



P. 1. No. 9 saw and got a sunflower seed through the opening. 



P. 2. No. 9 did not see, although he sat near and must have heard the 

 paper tear. He seemed indifferent to No. 2"s getting food. 



P. 3. No. 9 saw from post above X, but did not seem interested. 



P. 4. No. 9 saw from upper part of wire end. 



P. 5-P. 6. No. 9 saw from the wire above X. 



I*. 7. No. 9 saw from the wire above X, and going to floor got a 

 grape skin Xo. 2 had dropped. 



P. S. No. 9 saw from wire above X. He went to the paper and put his 

 hand in after No. 2 had left. 



P. 9. No. 9 saw from above X. He went to the floor, put grape skin 

 in his mouth, and went to the paper, where he put his hand in the hole. 

 No. 2 jumped at him and struck him. 



P. 10. No. 9 did not see. 



P. 11. No. 9 saw from upper part of wire end ; he got grape skin and 

 went to the bole as before. 



P. 12. No. 9 saw from wire above X". 



No. 2 was taken out and No. 9 was left alone. He climbed the cage 

 front at first. He came down to the box beneath paper, and looked all 

 about the paper; climbed frame, jumped to front aud ran to end of the 

 cage. Again he went to box and looked all about the paper. He fingered 

 the lower edge of the frame and then put his left hand flat against paper 

 above the hole and pushed; he shoved palm over upper left-hand part of 

 paper. Then he pushed his right hand over lower right-hand corner in 

 the same way. Then he sat on the box and looked. After some time at 

 box he climbed the wire to the upper part of the end. He soon went 

 back to the box. where he sat before the paper and locked all about it. 

 He climbed the frame, jumped to the front and ran up to the top of the 

 wire end. He repeated this entire performance. He went to the box again, 

 looked at the paper and the frame, and returned to the front and end of 

 the cage. 



