264 EXPERIMENTS WITH 
the larvee. She at once picked one up, and, with some 
little guidance from me, carried it off to the nest, 
returning at once for another, bringing some friends 
with her to help. When she knew her way, I gradually 
moved the cup across the table along the paper path 
Fig. 28. 
to M, placing it on a column five inches high. After 
a while the ants came to know the way quite well, 
and passed straight along the path from the nest to 
the larve at M. Having thus established a service of 
ants, I tried the following experiments :— 
1. 1 removed the piece of paper Gt. This dis- 
