336 
Psyche 
[December 
^R«Xr ^ * : S ! P 
*s§?» <*b 
3P^nBr 
«iki 
2 
•» 
5% *!S» 
S% ^ 
3ift§ 
% *G5» 
sse* 
^ *&* 
*& 
*®§ «fti 
Fig. 1. Alerting performance of a recruiter ant. Numbers indicate the 
stroking movements towards the encountered worker. (From movie film, 64 
frames per second). 
