244 



EXPI^NATION OF THE PLATES. 



PLATE I. 



Fig. 



1. Prosopis cornuta 5 . 

 \a. Antenna ot Prosopis cor- 

 nuta S . 

 \b. Intermediate leg of Pro- 

 sopis cornuta $ , 

 \c. Wing of Prosopis. 

 Head of 



\d. 



2. 



tataS 



Prosopis dila- 



Sphecodes fuscip 



Fig 



3. 



3a. 



Halictus sexnotatus $ . 



Labrum of Halictus <? . 

 3b. Labrum of Halictus $ . 

 3c. Wing of Halictus, 



4. Macropis labiata 5 . 



5. Nomada armata 5 . 

 6\ Dasypoda hirtipes $ . 



6a. Wins' of Dasvnoda. 





1. 



2. 



2a. 



2b. 



PLATE II. 



Andrenaferooo 3 , 

 Andrena ferox 5 . 

 Wing of Andrena^ first 



type of neuration. 

 Wing oi Andrena, second 



type of neuration. 



3. Wing of Cilissa. 



4. Panurgus calcaratus S . 

 4a. Wing of Panurgus. 



6. 



6. 



Ga. 



7. 



8. 



Ccelioxys Vectis $ ., 

 Megachile maritima S , 

 Anterior tarsus of Mega 



chile maritima $ . 

 Anterior tarsus of Mega 



chile Willughbiella S . 

 Anterior tarsus of Blega 

 ^ chile circumcincta S . 





1 . Osmia pilicornis S . 



2. Osmia pilicornis ^ , 



3. Melecta luctuosa ^ . 



4. Apical segment of 



chile pyrina $ . 



5. Apical segment of 



6. 





chile argentata S . 

 Apical secjment of 



PLATE HI. 



Mega- 

 Mega- 

 Mega- 



cfiile centuncularis $ . 

 Apical segment of Mega 

 chile ligniseca S . 



9. Apical segment of Oswia 

 aurulenta S . 



10. Profile of the abdomen of 



Osmia spinulosa $ . 



11. Apical segment of Osmia 



spinulosa c? . 



12. Wing of Coelioxys. 



13. Wing of Authidimn. 



14. Wing of Nomada. 



15. Wing of Melecta. 



16. Wing of Sfelifi. 



8, Apical segment of Osmia 17. Wing of Megachile .^ 

 pilicornis $ . 



( 



* 



1 



