378 EXPERIMENTS ON 



put out the same piece of cork with ten pins, each with 

 a piece of card and one with honey. At 4.40 I put an 

 ant to the honey ; she fed comfortably, and went away 

 at 4.44. 



At 4.45 she returned, and at 5. 5 went away again. 

 5.40 5.55 



6.13 and again at 6.25 and 6.59. 



There were a good many other ants about, which, up to 

 this time, went up the pins indiscriminately. 



At 7.15 an ant came and went up the right pin, and 

 another at 7.18. At 7.26 the first ant came back with 

 a friend, and both went up the right pin. At 7.28 

 another came straight to the honey. 



At 7.30 one went up a wrong pin. 

 7.31 one came to the right pin 

 7.36 with the first ant. 



7.o9 



7.40 



> 7.41 ., 



7.43 



7.45 



7.46 



wrong pin. 



) 



7.47 two 



7.48 one right pin. 



the first ant came back. 

 7.49 another ant came to the right pin. 

 7.50 wrong 



7.51 right 



three ants wrong 



7.52 one ant right 



7.55 wrong 







7.57 wrong 



