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CHAP. X. 
ESTABLISHMENT OF A MIXED ANT-HILL 
IN A GLASS APPARATUS. 
L wap often established, with success, 
artificial ant-hills, and am indebted to 
them for several interesting observations 
on the Fallow, Yellow, and other ants, I 
now resolved upon making the attempt 
of fixing, in an apparatus of the same 
kind, a colony of Amazon Ants, with 
their auxiliaries. The knowledge I had 
already acquired upon mixed ant-hills 
greatly facilitated my views. In de- 
scribing the particulars of this experi- 
ment, the manners of these two species 
will be completely developed. 
I constructed an apparatus, to which, 
for the sake of abridgement, I shall, as 
