WARS OF ANTS. 201 
the ant-hill, which was contiguous to 
the source whence they obtained their 
food, inclosed between a ditch full of 
water and a very thick hedge, which 
preserved them from the visits of strange 
ants and other enemies. What contri- 
butes to strengthen me in this opinion is, 
that I have observed the same exercises 
in my glazed ant-hill, when the ants 
were abundantly supplied with nourish- 
ment, when they were perfectly recon- 
ciled to their abode, and under the influ- 
ence of a mild temperature. | 
Other ant-hills presented me some par- 
ticulars a little different from the above. 
I often saw on the surface of the nest 
workers that appeared affected with ver- 
tigo; they made several evolutions in the 
sun with convulsive movements, opening 
their pincers and running in every direc- 
tion overtheant-hills. Shortly after, some, 
affected in the like, manner, began to 
frisk about, and then entered the first 
gallery they found on their passage. 
These ants deranged every thing about 
K 9 
