223 



DESCRIPTION OF PLATES. 



Plate XXI. 

 Fig. 1. Aphaenogaster (Nystalomyrma) longiceps, F. 

 Smith. Head of worker, dorsal view. 



2. Worker, body in profile. 



3. Head of female, dorsal view. 



4. Aphaenogaster (Nystalomyrma) pythia, Forel. 

 Head of worker, dorsal view. 



5. Worker, body in profile. 



6. Head of female, dorsal vieAv. 



7. Aphaenogaster (Nystalomyrma) barbigula, n. sp. 

 Head of worker, dorsal view. 



8. Worker, body in; profile. 



9. Head of female, dorsal view. 



Plate XXII. 

 Fig. 1. Aphaenogaster (Nystalomyrma) longiceps, F. 



Smith. Thorax, petiole, and postpetiole of 



female in profile. 

 ,, 2. Same of male. 

 ,, 3. . Thorax of male, dorsal view. 

 ,, 4. Head of male, dorsal view. 

 ,, 5. Aphaenogaster (Nystalomyrma) pythia, Forel. 



Thorax, petiole, and postpetiole of. female in 



profile. 

 ,, 6. Same of male. 

 ,, 7. Thorax of male, dorsal view. 

 ,, 8. Head of male, dorsal view. 

 ,, 9. Aphaenogaster (Nystalomyrma) barbigula, n. >>p. 



Thorax, petiole, and postpetiole of female in 



profile. 



