2fi2 



EXPERIMENTS WITH 



7 inches high (in facl, a hat-box) for the flat paper, 

 cutting two small holes at / and g, so that the ants 

 passing from the nest to the food went through the box 

 entering at/ and coming out at (j. The box was lixed 



Fi-. 25. 



at d, so that it might turn eas^ilj. I then, when tlu-y 

 had got to know their way, turned the box round as 

 soon as an ant had entered it, but in every case the 



Fi-r 2G. 



ant tmiied round too, thus retaining her direction. 1 



then varied the experiment as shown in Figs. 25 and 26. 



I replaced the white disk of paper, but put the 



food e at the middle of the board. When the ant had 



