442 



EXPLANATION OF THE PLATES. 



PLATE X. 



Fig- 

 1 • Tongue of hioyastra. 



2. Maxilla of hiogastra. 



3. Wing of hiogastra. 



4. Tongue of JtJ/tnYis. 



5. Maxilla of Euritis. 



6. Calcar or spur of the pos- 



terior tibifE of Euritis. 



7. Labrum of Euritis. 



8. Wing of Euritis. 



9. Tongue of Melissa. 



Fig. 



10. Maxilla of Melissa. 



11. Spur of the intermediate 



tibia;. 



12. Wing of Melissa. 



13. Tongue of il/esoc/iejra. 



14. Maxilla of Mesocheira. 



15. Spur of intermediate tibiae. 



16. Wing of Mesocheira. 



17. Wing of Acanthopus . 



PLATE XL 



\. Tongue of Thalestria. 10. 



2. Maxilla of Thalestria. 



3. Wing of Thalestria. 1 1 . 



4. Labrum of Thalestria. 12. 



5. Tongue of Ctenioschelus. 13. 



6. Maxilla of Ctenioschelus. 14. 



7. Maxillary palpus of Cteni- 15. 



oschelus. 16. 



8. AntenuEe of Ctenioschelus. 17. 



9. Wing of Ctenioschelus. 18. 



Spur of intermediate tibiae 



of Ctenioschelus. 

 Tongue of Aglae. 

 Maxilla of Aglae. 

 Wing of Aglae. 

 Wing of Melecta. 

 Wing of Crocisa. 

 Wing of Phileremus. 

 Wing of Ammobates. 

 Wing of Pasites. 



PLATE XIL 



1 . Tongue of Osiris. 



2. Wing of Osiris. 



3. Labrum of Osiris. 



4. Apex of the abdomen of 



Osiris, anal valve and 

 aculeus. 

 6. Maxilla of Osiris. 



6. Antennre of Osiris. 



7. Maxilla of Xenoglossa. 



8. Wing of Xenoglossa. 



9. Maxilla of Habropoda. 

 10. Tongue of H«6ro/>od'a. 



11. Wing of Habropoda. 



12. Tongue of Lestis. 



13. Maxilla of Lestis. 



14. Antenna of Lesf is. 



15. Wing of Lestis. 



16. Tongue of DJoa^v^. 



17. Labrum of Dioa'^s. 



18. Wing of Dioa'^ys. 



19. Mandible of I)ioa?3/s. 



20. Maxilla of Epicharis. 



21. Wing of Epicharis. 



