227 



EXPLANATION OF THE PLATES. 



PLATE I. 



Fig. 



1 . Formica rufa $ . 



2. Formica rufa $ . 



3. Formica rufa 5 . 



4. Labial palpi of the worker 



of Formica rufa. 



5. Maxillary palpus of the 



worker of Formica rufa. 



6. Antennae of the worker of 



Formica rufa. 



7 . Antennae of the c? of For- 



mica rufa. 



8. Labial palpi of Myrmica 



scabrinodis J . 

 ,9. Maxillary palpus of Myr- 

 mica scabrinodis 5 . 



10. Antennae of Myrmica sca- 



brinodis $ . 



1 1 . Antennae of Myrmica sca- 



brinodis <$ . 



12. Antennae of Myrmica lobi- 



cornis $ . 



Fig. 



13. Antennae of Myrmica lip- 



pula $ 



14. Antenna of Myrmica niti- 



dula 5 



15. Antenna of Myrmica fu- 



gax 



16. Clypeus of Myrmica fugax 



?. 



17. Wing of Myrmica scabri- 



nodis. 



18. Myrmica lippula $ . 



19. Myrmecina Latreillii J . 



20. Wing of Ponera contracta 



21. Labial palpus of Ponera 



contracta . 



22. Maxillary palpus of Ponera 



contracta $ . 



23. Antenna of Ponera con- 



tracta $ . 



PLATE II. 



1 . Methoca ichneumonides J . 



2. Anterior wing of Methoca 



ichneumonides $ . 



3. Anterior wing of Tiphia 



femorata $ . 



4. Tiphia minuta <$ . 



5. Mutilla ephippium tf . 



6. Sapyga clavicornis c? . 



7. Pompilus rufipes $ . 



8. A portion of the anterior 



wing of Pompilus nota- 



tus, showing the form 

 of the externo-medial 

 nervure, at a. 



9. A portion of the anterior 

 wing of Pompilus exal- 

 tatus, showing the form 

 of the externo-medial 

 nervure, at a, 



10. Ceropales variegatus <$ . 



11. Aporus bicolor J. 



