208 EXPLANATION OF THE PLATES. 



Fig. 



4. Formica solitaria, $ . 



5. Head of Formica solitaria. 



6. Meranoplus singularis, J . 



7. Antennae of Meranoplus singularis, . 



8. Head of Meranoplus singularis, $ . 



9. Antennae of Meranoplus singularis, $ . 



10. Mandible of Meranoplus singularis, $5 . 



11. Pseudomyrma faber, $ . 



12. cladoica, $ . 



13. vidua, <$ . 



14. Cryptocerus striatus, 



PLATE XIV. 



Nest of Crematogaster arboreus, with a portion of the outer 

 shell or covering removed at the lower extremity, to 

 show the character of the interior structure : drawn one- 

 third of the natural size. 



EEEATA. 



Alter the numbers of the Subfamilies as follows: 

 Page 1. Family FOEMICID^. 

 76. Subfamily 1. PONEEID^). 

 114. Subfamily 2. MYEMICID^E. 



