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Psyche 
[Vol. 90 
Figure 1. Random marking with fecal droplets of territory surrounding nest in 
Rhytidoponera metallica (Straight edge corresponds to margin of Lubbock nest.) 
Summary and Conclusions 
The following conclusions seem probable from the present work: 
(1) As suggested in a previous paper (Haskins and Haskins, 1979) 
“recognition” between the members of fragments of a single popula- 
tion separated for a year or more appears to remain on the whole 
stable through several “generations” of workers which have not 
