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EXPLANATION OF THE PLATES. 



PLATE VII. 



The letters indicate the same parts iu all the figures ; they are 

 as follows : — a. the mentum; b. the labium ; c. the labial palpi ; 

 d. the paraglossaj ; e. the maxilla ; /. the lobe of the maxilla ; 

 g. the maxillary palpus. 



Posterior tibia and tarsus 

 of Habropoda zona- 

 tuia. 



Xenoglossa fidva. 



Exomalopsis fulvo-p ilosa . 



Tetrapedia diversipes. 



Epicharis hicolor. 

 Euglossa Roniandii. 

 Euc/lossa pulchra. 



1 . Tongue of Serapis. 



2. Maxilla of Serapis. 



3. Wing of Serapis. 



4. Mandible of Serapis. 



5. Labrum of Serapis. 



6. Tongu(! of Allodape. 

 J. Maxilla of Allodape. 



8. "Wing of Allodape. 



9. Tongue of Exoneura. 

 iO. Maxilla of i?a;oree«ra. 



Posterior leg of Exoneura. 



11. 



12. Claw of Exoneura 



13. Wing o{ Exoneura. 



14. Tongue of Leiopodus. 



15. Ma,xi\hi of Leiopodus. 



16. WnifT o{ Leiopodus. 



17. Tongue of Crocisa. 



18. Maxilla of Crocisa. 

 v.). Wing of Crocisa. 



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