POWER OF COMMUNICATION. 381 



At 5.12 an ant came to right pin. 

 I changed the pin. 

 „ 5.16 an ant came to the pin which I had put in 

 the same place. 

 „ ,, right pin. 



« 5.1 y „ „ 



„ 5.20 two ants „ with No, 2. 



„ ant No. 1 „ and went at 5.25. 



„ 5.25 an ant „ This ant had been 



spoken to by No. 2. 



„ 5.26 another ant „ 



„ 5.35 „ „ 



„ 5.37 „ „ 



„ 5.40 „ „ 



„ 5.41 ant No. 1 „ and went at 5.49 



„ 5.45 another ant „ 



n 



5.50 



, 5.51 ant No. 1 came back, and 5.54 went. 

 „ 5.58 two ants came to the right pin. 

 „ 5.59 another ant „ „ 



„ „ came to a wrong pin. 



I changed the pin again. 

 „ 6.49 an ant came to the pin which I had put io 



the same place. 

 „ 7. 1 another ant came to the right pin. 

 „ 7.20 



5) 7.00 5, ,, 



„ 7.46 ant No. 1 returned, 7.55 went. 



Thus during this time, from 4.50 until 7.50, twenty- 

 nine ants came, twenty-six went to the right pin, while 

 only three went up any of the nine wrong ones. More- 

 over, out of these twenty-six, only four were distinctly 

 brought by the two ants which I had shown the 

 honey. 



On the 19th I tried a similar experiment. The 

 marked ants frequently brought friends with them ; but, 



