BRITISn nrMKKOPTEEA ANTIIOPIIII.A. 431 



central portion ; 2n(i joint not a sijth as loug as the 1st, 3i'cl and 

 4tli divergent, very short, cylindrical. Submentum short and 

 triangular ; lora with the arms short but well developed ; cardines 

 very slightly curved. In the queen all the parts are shorter and 

 stouter. 



EXPLANATION OF THE PLATES. 

 Plate III. 



Fig. 1. Collctes : anterior view. 



2. „ posterior view. 



3. Prosopis : anterior view. 



4. ,, posterior view. 



5. ,, lingua paraglossEe. 



6. Sphecodcs : anterior view. 



7. „ posterior view. 



8. „ lingua paraglossa;. 



9. HaUctus : anterior view. 



10. ,, posterior view. 



11. ,, base of lingua paraglossse. 



Plate IV. 



Fig. 1. Andrena : posterior view. 

 2. „ anterior view. 



base of lingua paraglossae. 



Plate VI. 



Fig. 1. Nomada: anterior view. 



2. ,, posterior view. 



3. ,, base of lingua paraglossaj. 



4. C(eiioxt/s : anterior view. 

 .5. „ posterior view. 



6. ,, base of lingua paraglossae. 



