TO THE NEST AFTER COMING TO MATURITY. 139 
them; but there was no fighting going on in the 
nest. 
On the same day, at 9.45 a.m., I put into nest 64 
two more as before. At 10 they were both quite at 
home among the other ants, 10.15 ditto, 10.30 ditto, 
11 ditto, 12 ditto, 1 ditto. I then put in a stranger; 
and she was at once fiercely attacked. 
September 8.—Put in two more of the ants which 
had emerged from the pupz, as before, at 9.30 A.M. 
At 9.45 they were all right. 10 ditto, 10.30 ditto, 11 
ditto, 11.30 ditto, 12 ditto, 1 ditto. 
On the other hand, on September 14, I put one of 
these ak the same manner into nest No. 60 at 6.30 
A.M. She*wasat once attacked. At 6.45 she was being 
dragged about byanantenna. 7 ditto. At 7.30 she was 
by herself in one corner. At 8.30 she was again being 
dragged about. 9.30 ditto. The difference, therefore, 
was unmistakable. 
Once more, on July 29 I put some pupx of Formica 
fusca from out of doors under the charge of three ants 
from nest No. 36. 
August 3.—Several had come out, and I put two 
of them into the nest of their nurses (No. 36) at 2 P.M. 
Both were at once attacked. At 2.45 they were being 
dragged about. 3 ditto. 3.30 one was being dragged 
about. 4, both were being attacked. Eventually one 
was turned out of the nest. The other I lost sight of. 
August 4.—Put two more of this batch into nest 
No. 36, at 12.30. One was at once attacked. 1, one 
