POWER OF COMMUNICATION. 361 



April 19. — I put, out a little syrup on eleven slips of 

 glassjwhich I placed on eleven inverted flower-pots on the 

 lawn. At 8.35 a Lasius niger found the honey on one 

 of the flower-pots. 



8.50 It. j i. !■ 9. 5 went back to the nest 



[ honey, and at J 



After which I watched till 6 p.m.; but she did not 

 return again to the honey. During the above time 

 eight ants came to the same honey, and twenty-one to 

 the other ten deposits. 



On July 11 I put one of my specimens of Lasius 

 niger to some honey at 7.10. She fed till 7.25, when 

 the returned to the nest. 



At 7.36 another ant came, 

 7.50 [whom I imprisoned. 

 8.11 



25 



