SEPARATION OF MORE THAN A YEAR. 341 
at 9.30, 10, 11,12,and 1. She was evidently quite at 
home. 
February 15.—Ditto. The ant was put in at 10.15 
AM,, and visited at 10.30, 11, 12, 1, 2,3, and 4. She 
was not attacked. 
February 19.—Ditto. The ant was put in at 10 
AM., and visited at 10.15, 10.30, 11, 12, 1, and 2. 
She was not attacked. 
March 11.—)itto. Ditto at 9.30 a.m., visited at 
10.30, 12.30, 2.30, and 5.30. She was not attacked. 
March 12.—Ditto. Ditto at 10 a.m., visited at 12, 
2,and 4. She was not attacked. 
March 18.—Put in two friends at 1 P.M., visited at 
. 2and 4. She was not attacked. 
April 21.—Put in one friend at 9.30 a.m. At 10 
she was all right, also at 12 and 4 p.m. She was not 
attacked. 
April 22.—Put in two friends at 8.30 4.m. Visited 
them at 9 and 10, when they were almost cleaned. 
After that I could not find them; but I looked at 2, 4, 
and 6, and must have seen if they were being attacked. 
April 23.—Put in two friends at 12.32. Visited 
them at 1,2,3,4,and 6 p.m. They were not attacked. 
May 13.—Put in two friends and a stranger at 7.45. 
At 9 the two friends were with the rest. The stranger 
was in a corner by herself. 11 ditto, 12 ditto. Atl 
the friends were all right; the stranger was being 
attacked. 2, the friends all right; the stranger had 
been dragged out of the nest. The next morning I 
looked again ; the two friends were all right. 
May 14.—Put in the remaining three friends at 10. 
Visited them at 11, 12, 1, 2,4, and 6. They were not 
attacked, and seemed quite at home. 
This completed the experiment, which had lasted 
from August 4, 1875, till May 14, 1877, when the last. 
ones were restored to their friends. In no case was a 
friend attacked. 
