Note 9 — Chapter II · Animal Intelligence; an Experimental Study of the Associative Processes in Animals[4] (continued 2)
Reading edition
No. 6, in trying to crawl out at the top of the box, put its paw in above the string. It fell down and thus pulled the string. It did not claw at it, and it was 16 seconds before it noticed that the door was open. In all the other times that it escaped the movement was made in the course of promiscuous scrambling, never in anything like the same way that No. 2 made it.