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EXPLANATION OF THE PLATES. 



PLATE X. 



Fig. Fig, 



1 . Tongue of Lioyastra. 10. 



2. Maxilla of Liogastra. 1 1 . 



3. Wing of Liogastra. 



4. Tongue of Euritis. 12. 



5. Maxilla of Euritis. 13. 



6. Calcar or spur of the pos- 14. 



terior tibiae of Euritis. 15. 



7. Labrum of Euritis. 16. 



8. Wing of Euritis. 17- 



9. Tongue of Melissa. 



Maxilla of Melissa. 



Spur of the intermediate 



tibiae. 



Wing of Melissa. 

 Tongue of Mesocheira. 

 Maxilla of Mesocheira. 

 Spur of intermediate tibiae. 

 Wing of Mesocheira. 

 Wing of Acanthopus. 



PLATE XL 



1. Tongue of Thalestria. 



2. Maxilla of Thalestria. 



3. Wing of Thalestria. 



4. Labrum of Thalestria. 



5. Tongue of Ctenioschelus. 



6. Maxilla of Ctenioschelus. 



7. Maxillary palpus of Cteni- 



oschelus. 



8. Antennae of Ctenioschelus. 



9. Wing of Ctenioschelus. 



10. Spur of intermediate tibiae 



of Ctenioschelus. 



1 1 . Tongue of Aglae. 



12. Maxilla of Aglae. 



13. Wing of Aglae. 



14. Wing of Melecta. 



15. Wing of Crocisa. 



16. Wing of Phileremus. 



17. Wing of Ammobates. 



18. Wing of Pasites. 



PLATE XII. 



1. Tongue of Osiris. 



2. Wing of Osiris. 



3. Labrum of Osiris. 



4. Apex of the abdomen of 



Osiris, anal valve and 

 aculeus. 



5. Maxilla of Osiris. 



6. Antennae of Osiris. 



7. Maxilla of Xenoglossa. 



8. Wing of Xenoglossa. 



9. Maxilla of Habropoda. 

 10. Tongue of Habropoda. 



11. Wing of Habropoda. 



12. Tongue of Lestis. 



13. Maxilla of Lestis. 



14. Antenna of Lestis. 



15. Wing of Lestis. 



16. Tongue of Dioxys. 



17. Labrum of Dioxys. 



18. Wing of Dioxys. 



19. Mandible of Dioxys. 



20. Maxilla of Epicharis. 



21. Wing of Epicharis. 



