442 



EXPLANATION OF THE PLATES. 



PLATE X. 



Fig. 



1 . Tongue of Liogastra. 



2. Maxilla of Liogastra. 



3. Wing of Liogastra. 



4. Tongue of Euritis. 



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. 



11. 



12. 



13. 

 14. 

 15. 

 16. 

 17. 



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. Wino; of Thalestria. 



4. Labrum of Thalestria. 



5. Tongue of Ctenioschelus. 



6. Maxilla of Ctenioschelus. 



7. Maxillary palpus of Cteni- 



oschelus. 

 Antennae of Ctenioschelus. 



8. 

 9. 



Wins: 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 Me/ec^a. 



15. Wing of Crocisa. 



16. Wing of Phileremus. 



17. ^Ying of Ammobates, 



18. 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. Antennae of Osiris. 



7. Maxilla of Xenoglossa. 



8. Wing of Xenoglossa. 



9. Maxilla of Habropoda. 

 10. Tongue of Ha6rqpoc?fl. 



1 1 . Wing of Habropoda. 



12. Tongue of Lestis. 



13. Maxilla of Lestis. 



14. Antenna of Lestis. 



15. Wing of Lestis. 



16. Tongue of Dioxys. 



17. LsihYum. of Dioxys. . 



18. Wing of Dioxys. 



19. Mandible of Dioxys. 



20. Maxilla of EpichariSi 



21. Wm.g of Epicharis. 



