POWER OF COMMUNICATION. 363 



1.15 No. 3 returned, and at 1.25 went. 



1 .22 No. 2 1.48 



1.54 No. 3 2. 3 



2.18 No. 2 2.30 

 2.35 No. 3 2.36 

 2.56 No. 2 3. 1 

 3.24 No. 2 returned. 



4.19 No. 2 



After which I went on watching till 7, but none of 

 these three returned. During the day 7 ants came to 

 this honey, and 27 to the other four deposits. Here, 

 therefore, it is evident that the three watched ants did 

 not communicate, at any rate, any exact information to 

 tlu-ir friends. 



June 27, 1875. I placed four inverted glasses 

 (tumblers) on the grass, and on the top of each placed 

 a little honey. I then, at 8 o'clock, put two ants, be- 

 longing to F. nigra, to the honey on one of the glasses. 



At 8.25 No. 1 came back, and at 8.45 she returned 

 to the nest, but did not come to the honey any more. 



At 9.5 No. 2 came out and wandered about ; I put 

 her to the honey again ; she fed and at 9.22 returned 

 to the nest. 



A* o o 2 ( 8 he returned to the) A * (went back to the 



At y.^o \ i j f 7.4O 1 



I honey, and at ) I nest. 



10.42 10.50 



10.58 11.10 



11.21 11.39 



12.45 12.59 



1.40 



I continued to watch till 7 P.M., but neither of them 

 returned any more. 



August 7, 1875. I put out four small deposits of 

 honey (which I continually renewed) on slips of glass 

 placed on square pieces of wood, and put an ant (L. 

 niger) to one of them at 9.20. She fed and went away. 



