420 'Journal of Comparative Neurology and Psychology. 



seeoud experience is evidenced by tlie directness and rapiditj' with whicli s'ae 

 continued to perform the act. 



TABLE 29. 

 No. 4 Imitating No. 2. 



D. Behavior of No. 3. 



Preliminary trials. — First trial. No. 5 worlved at the door; then she clinilied 

 the cage and caine bade to the door. She went to the button and spatted ic 

 with both hands. Later she bit at the screw eye, held the button, and bit 

 it. She then turned and pushed it with her feet. Later she grabbed thp 

 screw eye in her hand and bit it. After twelve minutes she placed herself 

 opposite the door and plunged against it twice with great force. She went to 

 the button, and, placing herself opposite it, plunged against it twice in the 

 same manner. Then she went to the door and looked. She then plunged 

 against the button and .spatted it several times; she went once to the door 

 and looked. Later she bit again at the screw eye; she then went from 

 the door to the button and hack to the door. 



Second trial. On the second day No. 5 worked at the door for thf Orst 

 four minutes. She then went to the button and spatted it. Later she hocked 

 her tail in the wire about three feet above the door, placed her feet on the 

 boai'd A. and, with head down, she lifted her body out from the board and 

 threw her weight on her hands against the door. 



Third trial. On the third day No. 5 went to the dooi% climbed the cage, 

 and after several minutes went to the button and spatted it. During the 

 remainder of the time she went about the cage in the usual way, paying no 

 attention to the door or the button. 



Fourth trial. On the fourth day No. 5 went to the door once. Once she 

 went to the button and taking the screw eye in the left hand spatted the 

 button wdth the right. She gave no further attention to door or button. 



Fifth trial. On the fifth day No. 5 went about the cage mostly indifferent 

 to the door and button. Once she spatted the button and bit it. She spent 

 a little time at the door when she was first placed in the cage. 



Imitation tests. — No. 5 imitating No. 2 and No. //. — The animals were in the 

 cage together in each of the following tests. 



First test. No. 5 watched No. 2 closely and saw the entire performance five 

 times in ten. The first time she saw No. 2 push the button she followed and 

 pushed it back herself. She did not follow to the food. She did this three 

 times on seeing No. 2 do it and usually missed seeing him get food. 



