POWEB OF COMMUNICATION. 373 



APPENDIX E. 



The following are the details of the experiment referred 

 to on p. 172: — 



Experiment 1. — ^Time occupied, 1 hour. The ant 

 with few larvae made 6 visits and brought no friends. 

 The one with many larvae made 7, and brought 11 

 friends. 



Experiment 2. — Time occupied, 2 hours. The ant 

 with few larvae made 13 journeys, and brought 8 

 friends. The one with many larvae did not come 

 back. 



Experiment 3. — Time occupied, 3 hours. The ant 

 with few larvae made 24 journeys, and brought 5 

 friends. The one with many larvae made 38 journeys, 

 and brought 22 friends. 



Expei'iment 4. — Time occupied, 2^ hours. The 

 ant with few larvae did not come back. The one with 

 many made 32 journeys, and brought 1 9 friends. 



Experimeoit 5. — Time ocupied, 1 hour. The ant 

 with few larvae made 10 journeys, and brought 3 

 friends. The other made 5 joujrneys and brought 16 

 friends. 



Experiment 6. — Time occupied, 1^ hour. The ant 

 with few larvae made 15 journeys, but brought no 

 friends. The other made 11 journeys and brought 21 

 friends. 



Experiment 7. — I now reversed the glasses. Time 

 occupied 3 hours. The ant with few larvae made 23 

 journeys and brought 4 friends. 



