352 



POWEK OF COMMUNICATION. 



No. 2. 



7.54 



No. 1. 

 7.49 



'^. 5 

 8.13 

 8.25 

 8.31 

 8.39 

 8.44 

 8.48 



Thus, during this period these two ants carried off 

 respectively 62 and 67 larvae ; 10 strangers found the 

 larvae, half of them only coming to the set visited by 

 the ants under observation. This seems to show that 

 most of them, at any rate, found the larvae for them- 

 selves. 



I will now pass to Lasius niger. 



September 27, 1875. — At 3.55 p.m. I put an ant of 

 this species to some larvae. She returned as follows :- 



4. 3 

 4.11 

 4.21 

 4.25 

 4.28 

 4.31 

 4.37 

 4.40 

 4.44 

 4.48 

 4.52 

 4.56 



5. 



5. 5 

 5.10 

 5.14 

 5.18 

 5.23 

 5.29 

 5.40 

 5.43 

 5.46 

 5.50 

 5.54 

 5.59 



when she met with an accident. During this time no 

 other ant came to the larvae. 



On October 1, 1875, at 6.15 a.m., I put three speci- 



