806 AMAZON ANTS. 
the Negro labourers, in the same manner 
as the pupe of Ash-coloured and Mining 
Ants, a little time before their last trans- 
formation. It is only in the month of 
July they pass into that state which puts 
them in a condition for flying. The 
pupe of the Amazon Labourers were at 
that time very numerous in all their 
nests, but I no longer found there the 
pupx of Ash-coloured and Mining Ants. 
The pupe which the Legionaries had 
purloied the preceding year, were de- 
veloped before autumn; their last inva- 
sions occurring in September. These 
warrior ants have only two months and 
a half to collect all the pupae of which 
they stand inneed. ‘The temperature is: 
often sufficiently high in May and the 
beginning of June to allow of their de- 
parture ; they do not, however, venture 
abroad until their males are on the point 
of undergoing their transformation : they 
sometimes leave the nest individually, 
and are then always stopped by the 
Negroes, who bring them back to the ant-- 
