Species of British Formicidce. 135 



DESCRIPTION OF PLATE IX. 

 Fig. 1. Tapinoma erratica. Male. 



2. Tupinoma Icevigata, Worker. 



3. Profile of the abdomen of the same, showing the decumbent scale, and 



the metathorax. 



4. Formica umbrata. Female. 



5. Abdominal scale o( Formica umbrata. Female. 



6. Abdominal scale of Formica umbrata. Worker. 



7. Mi/rmica liEvigata, Worker. 



8. Antennas of Myrmica Icevigata. Worker. 



9. Myrmica graminicola. Female. 



10. Myrmica ctEspiium. IMale. 



11. Myrmica ccespitum. Female, 



12. Abdominal scale of Formica sari^iiinea. Male. 



13. Abdominal scale of Formica n//a, Male. 



14. Abdominal scale of F. c(nifc«/aria. Male. 



15. Abdominal scale of F.yi/sca. Male. 



16. Abdominal scale of F. nigra. Female. 



17. Abdominal scale of F.^^uua. Female. 



18. Abdominal scale of F.j^aM. Worker. 



19. Mandible of F. rvfa. Worker. 



20. Antennje of Myrmica ruginodis. Worker. 



21. Antenna; of Jll. scaftrinorfis. Worker. 



22. Wing of Myrmica IcEviiiodis. Female. 



23. Wing of M. scabriiwdis. Female. 



24. Wing of Myrmecina Latreillii. Female. 



25. Wing of Stenamma Westivoodii, 



26. Antennae of Myrmica identicornis. 



27. Wing of Formica nigra. Female. 



28. Wing of Formica _/Zaua. Female. 



