POWER OF COMMUNICATION 353 



mens of Lasius niger to some larvae. One did not 

 return ; the other two behaved as follows : — 



8.25 



8.32 

 8.36 



8.39 

 8.44 



8.26 



8.38 

 8.41 



8.37 



8.45 



Here I left off watching for half an hour. 



9.22 



9.28 

 9.29 

 9.35 9.35 



