x AeHhOsStER-MOTHER 235 
companion occasionally approached her and buzzed, 
but was afraid to tackle her. 
8 pm. The foster-mother has been sitting 
devotedly on the brood and has added a wax rim 
to the bees-wax cell that I have provided for feeding. 
The other queen died during the day. 
I placed the nest out of doors under one of my 
wooden covers, giving it six recently-hatched, good- 
sized young workers from another nest. 
July 3. At 7.30 am. the foster-mother was out. 
I looked into the nest again at 8.0, 10.0 and 10.30 
A.M., but did not see her. No doubt she flew out 
early in the morning and never returned. I had 
half expected this result, for it had happened under 
similar circumstances in previous years. The 
reason seems to be that in nature the queen always 
learns the position of the nest before she commences 
to sit on the brood, and when the sitting stage is 
reached the power to learn a new location is usually 
lost. But not always, for I once knew a ¢errestris 
queen to return. Although, no doubt, the present 
lapidarius queen carefully marked the position 
of her home when she left it, the memory of it 
was soon effaced in the absorbing work of gathering 
food for the brood, and so she got lost. 
11.30. Happening to be walking inthe apiary | 
saw, searching about in the same place where | had 
caught the foster-mother on July 1, a /apidarius 
queen, with pollen on her legs. As an ordinary 
searching queen is never laden with pollen I watched 
her for a few minutes, and, concluding from her 
