220 MR. CURTIS ON THE GENUS MYRMICA. 
EXPLANATION OF THE PLATE. 
Tas. XXIII. 
Fig. 1. Antenna of Myrmica rubra, Linn.d. 
Fig. 2. Mandible of ditto. 
Fig. 3. Maxillary Palpus of ditto. 
Fig. 4. Mentum and labial Palpus of ditto. 
Fig. 5. Antenna of Myrmica rubra, Linn. 9. 
Fig. 6. Mandible of ditto. 
Fig. 7. Antenna of Myrmica rubra, Linn. ©. 
Fig. 8. Mandible of ditto. - 
Fig. 9. Maxilla and Palpus of ditto. 
Fig. 10. Mentum and Palpus of ditto. 
Fig. 11. Head of Myrmica longiscapus, Curt. 4 . 
Fig. 12. Antenna of ditto. 
Fig. 13. Superior wing of ditto. 
Fig. 14. The petiole and postscutel of ditto in profile. 
Fig. 15. Myrmica perelegans, Curt. 4 . 
Fig. 16. Ditto 9. 
Fig. 17. Ditto 9. 
Fig. 18. Myrmica denticornis, Curt. 3. 
Fig. 19. Ditto 9. 
Fig. 20. Antenna of ditto. 
Fig. 21. Wing of Stenamma Westwoodii, 3. 
Fig. 22. Myrmecina Latreillii, Curt. 9 . 
Fig. 23. Head of ditto. 
Fig. 24. The antenna. 
Fig. 25. The scutel, postscutel, and base of abdomen. 
Fig. 26. The same in profile. 
Obs. The lines and cross lines show the natural dimensions of the different species represented. 
* 
Belitha Villas, Barnsbury Park, 
7th March, 1854, 
