IN FINDING THEIR WAY. 



257 



rate, guides itself but little by sight. This, which I 

 had not at all anticipated, seems to follow from the 

 fact that after the pencil and tray of larvae had been 

 removed but a short distance to the right or left, the 



Fis?. 17. 



Another tracing showing a similar experiment. 1, 2, 3, the direct 

 broad lines towards A ; and 4, the complicated track made when 

 reservoir of larvte was removed to B. 



ants on their journey to the shifted object travelled 

 very often backwards and forwards and around the spot 

 where the coveted object first stood. Then they would 

 retrace 'their steps towards the nest, wander hither and 



