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. IS 



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 



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 in 



the same place. 



,,7.1 another ant came to the right pin. 

 ,,7.20 



7.33 



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, 



