88 
Psyche 
[June 
Figures 1-3. Acanthognathus spp., workers from type series in outline, 
sculpture and most pilosity omitted. Fig. 1, A. rudis sp. n. from type 
locality (Jardim Botanico, Agua Funda, Sao Paulo), dorsal view of head 
and mandibles. Fig. 2, A. rudis (Guararema, Sao Paulo), petiole and 
postpetiole from side. Fig. 3, A. stipulosus sp. n., holotype petiole and 
postpetiole in side view. Fig. 1 drawn by Brown, Figs. 2 and 3 by Kempf 
and Brown. 
