WASPS, SOCIAL AND SOLITARY 



during the several weeks of her occupation, she does 

 not need to make a prolonged study of the environment 

 at every departure. Her first survey, just after the nest 

 is completed, is most thorough; and, as a usual thing, 

 when she first comes out on each succeeding morning, 

 she reviews the situation more or less carefully. Indi- 

 viduals differ in this respect, however, some studying 

 their local habitat much more than others. In this as 



well as in all other mat- 

 ters our observations 

 are in complete accord 

 with those of Sir John 

 Lubbock, who says : 

 "Indeed, many of my 

 experiences seem to 

 show not only a differ- 

 ence of character in the 

 different species of ants, 

 but that even within the limits of the same species 



LOCALITY STUDY OF ASTATA BICOLOR l 



1 The wasp flew from nest to i, paused a moment, then flew back; 

 then to 2, paused and flew back ; then to 3, paused, then to 4, paused 

 and flew back to nest ; flew to 4, 5, 6, 7, 8, and 9, pausing at each spot, 

 and flew back to nest along 10; flew, successively, along n, 12 and 

 13, resting at the spots designated; from 13 she circled around nest 

 in direction of arrow points and departed. 



288 



