162 EXPERIMENT WITH FORMICA FUSCA. 



The details of this obser\ation will be found in the 

 Appendix. 



Again, on July 11, 1875, I put out some pupoe in a 

 saucer, and at 5.55 p.m. they were found by a F. fiisca^ 

 who as usual carried one off to the nest. 



At 6 P.M. she returned and took another. Again: 

 6. 1 » «, 



