EXPLANATION OF THE PLATES. 



PLATE I. 



Fig. 



L Nest of CrematogoMfar Jfonfozumia, half the natural size. 

 2. Nest of Polyrhachis textor, natural size. 



PLATE II. 



1. Nest of Formica yibbosa, natural size. 



2. Profile of the Ant, magnified. 



All the figures in Plates III. to XII. are magnified) unless the 

 contrary is stated. 



PLATE III. 



1. Anterior wing of Formica rufa, female. 



2. , ln'rculanea, female. 



smaraydina, female. 

 ,, riatica, female. 

 JMyrkaMi m it it a r is, female. 

 Tapinoma erratica, female. 



3. 



4. 

 5. 



6. 



7. Mandible of Formica rufa, worker. 



8. Scale of the petiole of Formica n/fa, worker major. 



9. worker minor. 



10. sanguinea, worker. 



11. ., vmbfatOj worker. 



12. ? , cunicularia, worker. 



13. cumcul-aria, male. 



14. ., /w*r, male. 



15. herciikntea, worker. 



16. female. 



17. liyniperda, female. 



18. exsecta, worker. 



19. Head of Formica exsecta, worker. 



20. Maxillary palpi of Formica exsecta, worker. 



K 5 



