Hacckrty, huitnt'iou in Monkeys. 



?>(^i 



4 saw No. 2 at the oliute and pulling the string twice; once slie saw him with 

 food at the end of the duite, and twice slie got food wliicli fell into her box. 



No. 2 was now taken out and No. 4 was released from the observation box. 

 She at once climbed the wire front opposite the cliute. Tlieu she leaned 

 toward the chute as far as she could while still holding to the wire with 

 one hand. She drew herself bacli and descended to the floor, went to the 

 door and then to the wire end, climbed the end opposite the chute, threw her 

 head, shoulders and arms toward the chute, catching the lower part of it in 

 her hands. Then she let go the wire with her feet and tail and drew her 

 body over to the chute, catching it by her feet and wrapping her tail around 

 it. She then swung lier bead down under the chute and looked up into it, 

 at the same time thrusting her hand up inside. She rattled the metal hand- 

 hold against the side of the chute and in a moment pulled it. The food 

 fell on her chest and on the floor. The interval was less than one minute, 

 from the time No. 2 was taken from the cage. She then dropped to the floor, 

 ate the food, and climbing the front of the cage, leaped to the chute again 

 and repeated the act in two minutes. She repeated it again in three minutes, 

 and again in five minutes from the time No. 2 was removed, in the mean- 

 time, eating all the food that fell to the floor. She repeated the act again 

 in one minute and six times more within the next twelve minutes. In all 

 she operated the mechanism eleven times in twenty minutes and ate all the 

 food — about thirty sunflower seeds. She would now work the device as often 

 as she got the food eaten. 



Her manner of solving the problem was direct from the first, and, with one 

 exception, without loss of time or motion. 



Summary of Behavior of No. If in Chute Experiment B. 

 No. 4 was quite active during her first preliminary trials, hut during the 

 later ones she was more quiet and wholly indifferent to the presence of the 

 chute. The conditions of her imitation test differed from the test of No. 

 13 in the fact that No. 4 herself ate some of the food that came from the 

 chute when No. 2 pulled the string, whereas No. 1.3 had only seen without 

 experiencing the result of the act. The behavior of No. 4 after being released 

 in the cage was like that of No. 13, in that there was a marked change 

 from the behavior of the preliminary trials. She went directly to the chute 

 and performed the act she had witnessed, securing the same result. 



TABLE 4. 

 No. 4 Imitating No. 2. 



