Crematogaster (Sphaerocrema) concava Emery ^HNS

Text Figure 38

Akenge, [[worker]]; Stanleyville, [[worker]]; Lukolela to Basoko, [[worker]] (Lang and Chapin). The specimens from Stanleyville were taken in twigs of Barteria fistulosa (Part IV); those from Lukolela were found running over fire-wood. Three specimens from Akenge were taken from the stomach of a toad (Bufo polycercus).

1 Santschi has recently described a variety pluton of this race, collected by Dr. Bequaert from similar carton nests in the crowns of Papyrus, at Zambi.