EXPLANATION OF THE PLATES. 



OETALIDiE. 



PLATE Till. 



1. Amphicnephes pertusus nov. sp. 



2. Himeroessa pretiosa nov. sp. 



3. Rivellia conjuncta nov. sp. 



4. Rivellia viridulans Rob. Desv. 



5. Rivellia quadrifasciata Macq. 



6. Rivellia variabilis nov. sp. 

 *7. Rivellia flavimana nov. sp. 



8. Rivellia pallida nov. sp. 



9. Myrmecomyia myrmecoides Lw. 



10. Tritoxa ffleia Wied. 



11. Tritoxa cuneata nov. sp. 



12. Tritoxa incurva nov. sp. 



13. Camptoneura picta Fbr. 



14. Diacrita costalis Gerst. 



15. Diacrita aemula nov. sp. 



16. Idana marginata Say. 



17. Tetanops luridipennis nov. sp. 



18. Tetanops integer nov. sp. 



19. Anacampta latiuscula nov. sp. 



20. Ceroxys obscuricornis nov. sp. 



21. Ceroxys ochricornis nov. sp. 



22. Ceroxys caniis Lw. 



23. Ceroxys similis nov. sp. 



24. Tephronota numilis nov. sp. 



25. Stictocepliala cribrum nov sp. 



( 349) 



