EXPLANATION OF THE PLATES. 



PLATE I. • 



Fig. 



1. Nest of Crcynatngasti'i- Montczamia, half the natural ^ize. 



2. Nest of Pohjrhachis textur, natural size. 



PLATE IL 



1. Nest oi Formica f/ibboaa. natural size. 



2. Profile of the Ant, magnilied. 



All the Jigurefi in Plates III. to XII. are magnijinl, unless the 



contrartj is stated. 



PLATE III. 



1. Anterior wing of Formica n/fa, female. 



2. „ ,, „ herenlanea, female. 



3. jj J, „ smarar/diiia, female. 



4. ^j ,, „ viatica, female. 



5. „ „ Poli/rhachis ynilitaris, female. 

 (>. jj „ Tapinoma erratica, female. 



7. Mandible of Formica r/ifa, worlcer. 



8. Scale of the petiole of Formica rafa, worker major. 

 Q .. ., " worker minor. 



10. , ., >} sam/uinea, wca-ker. 



11. ,j „ umbrata, wc-rker. 



12. „ ,, cunicalaria, worker. 

 l;-j. ,j „ ., cunicaluria, male. 



14. „ ,, „ /"■«"• mfilt^- 



15. J ^, „ herciilancd, wurj^er. 



16. '„ „ „ . ;, female. 



17. ,, „ ligniperda, female. 



18. „ „ „ crsecta, worker. 



19. Head of Formica cxsccta, worker. 



20. Maxillary palpi of Formica exsecta, worker. 



K 5 



