eGcs, &c. OF ANTS. 83 
and a little more consistence: it is also as 
large as it will ever be; all its members 
are distinct, one single pellicle envelopes 
them. The ant, under this form, con- 
tinues to move for some moments after its 
quitting the state of larva, but it soon be- 
comes immoveable: it afterwards changes 
gradually in colour, passing from a fine 
white to a pale yellow; then becoming 
red, and in several species, brown, almost 
verging to black. The rudiments of 
wings may at this time be seen in those 
which are destined to fly. The pupz 
have still many attentions to receive from 
the workers ; the greater part are enclos- 
ed in a tissue spun by themselves before 
their metamorphosis ; but they cannot, 
like other insects, liberate themselves 
from this covering by effecting an open- 
ing in it with their teeth. They have 
scarcely the power of moving; their cover- 
ing is of too compactatexture, and form- 
ed of too strong a silk, to allow of their 
tearing it without the assistance of the 
workers. But how do these indefatiga- 
E 6 
