Wheeler. — Ants of the Genus Opisthopsis. 



PLATE 1. 



Fig. 1. Opisthopsis respiciens (F. Smith). Worker. 



Fig. 2. Head of same. 



Fig. 3. Opisthopsis pidii^ Emery var. lepidiis Wheeler. Worker. 



Fig. 4. Head of same. 



Fig. 5. Opisthopsis rufithorax Emery. Worker. 



Fig. 6. Head of same. 



Fig. 7. Opisthopsis major Forel. Worker. 



Fig. 8. Head of same. 



