EVIDENCE OF COMMUNICATION. 173 
placed one of them to the glass with many larve, the 
other to that with two or three. Each of them took a 
larva and carried it to the nest, returning for another, 
and soon. After each journey I put another larva in 
the glass with only two or three larve, to replace that 
which had been removed. Now, if other ants came 
under the above circumstances as a mere matter of 
accident, or accompanying one another by chance, or 
if they simply saw the larvee which were brought and 
consequently concluded that they might themselves 
also find larvee in the same place, then the numbers 
going to the two glasses ought to be approximately 
equal. In each case the number of journeys made by 
the ants would be nearly the same; consequently, if it 
was a matter of scent, the two glasses would be in the 
same position. It would be impossible for an ant, 
seeing another in the act of bringing a larva, to judge 
for itself whether there were few or many larve left 
behind. On the other hand, if the friends were 
brought, then it would be curious to see whether more 
were brought to the glass with many larve, than to 
that which only contained two or three. I should also 
mention that, excepting, of course, the marked speci- 
mens, every ant which came to the larve was im- 
prisoned until the end of the experiment. I give the 
details in the Appendix. 
The results of the above experiments are shown at 
a glance in the following Table :— 
