Q 
RELATION BETWEEN ANTS. 173 
found there. In a few days the ruche 
was depopulated. These ants had re- 
mained four months without any commu- 
nication. I placed some Fallow Ants in 
another artificial ant-hill, the frame of 
which, in place of lying perpendicular 
with the table, as in figure 1. was inclined 
some degrees. This disposition displeas- 
ed the ants (I know not why), and they 
established themselves underneath the 
bell-glass in the materials of their nest, 
which had been brought with them. It 
was, however, necessary, to allow of my 
making any observations, they should re- 
main in the frame, and I hoped to retain 
them there, by the attraction of heat. 
For this purpose I brought a flambeau 
close to the frame, and kept it in the 
same position, until the glass had ac- 
quired a sufficiently high temperature. 
There were some ants in this place; as 
soon as they perceived the heat, they be- 
gan to be animated, manifested ‘their 
comfort by brushing their head and an- 
tenne with their feet, and ran over, with 
13 
