148 
Mr. H. St. J. K. Donisthorpe on 
was little attacked and repulsed ^ . I gave them a little honey, 
and the $ and ^ ^ fed side by side. July 5th, the $ had collected 
all the pupae into a corner and sat on them, 2 5 9 with her, 
but several others were dead and injured. July 6th, 5 on guard 
over all the pupae in one corner, all 9 9 killed but 3. These 
try to remove i^upae one by one. $ brings them back again. I 
introduced some pupae and larvae from a fusca nest from Wey- 
bridge. 5 collected them all together into her corner. July 
15th, only 2 9 9 left, quite friendly with 9? all sitting together 
on the pupae. July 18th, all well and friendly together. 
This experiment was quite successful, the 9 took posses¬ 
sion of the pupae, killed § ^ when attacked, and eventually 
became friendly with the remaining two. 
No. 3. On July 12th Mr. Hamm sent me up a small fusca nest 
from Shotover. It contained many pupae, 9 9 and 2 Atemeles 
larvae. I placed them all in a combined Fielde and Jannet nest. 
July 15th, introduced a dealated sanguinea $ taken at Woking, 
May 9th. The 9 was at once fiercely attacked by the 9 9 • She 
was not very aggressive herself when attacked. In the afternoon 
she was still being attacked, and held by her legs and antennae by 
many 9 9- 16th, 9 "o longer attacked, but has lost an 
antennae. July 17th, 9 iiot attacked, in corner by herself. July 
18th, 9 dead. 
In this experiment the 9 took no notice of the pupae, 
did not resist much when attacked, and finally died from 
injuries received. One difficulty in these experiments is 
that it is not possible to provide a means for the 9 to 
escape, if she wished to do so, as she could in nature. 
No. 4. July 15th, Mr. Keys sent me up several F. rujibarbis v. 
fusco-rufibarbis nests from Whitsand Bay. July 17th, introduced 
dealated snagfumeo 9 taken at Aviemore, May 17th. She approached 
the p)upae, when she was fiercely attacked by the workers, and killed 
the same day. 
No. 5. Another rufibarlns v. fusco-rufibarbis nest. July 17th, 
introduced dealated sanguinea 9 j from Aviemore. Imme¬ 
diately attacked by 2 9 9) with which she fiercely grappled and 
killed both during the day. July 18th, 9 dead ! 
Nos. 6 and 7. July 23rd, introduced virgin sanguinea 9 ? 
(having removed their wings), taken at Bewdley, July 21st, into 
