71 



EXPLANATION OF THE PLATES. 



PLATE I. 



Fig. 



1 . Dorylus Hindostanus. 



2. Rhogmus fimbriatus. 



3. Labidus Burchellii. 



4. vEnictus certus. 



5. Node of the abdomen of 



Dorylus helvolus. 



6. Node of the abdomen 



Dorylus affinis. 

 ~l . Node of the abdomen of 

 Dorylus nigricans. 



8. Node of the abdomen 



Dorylus glabratus. 



9. Node of the abdomen 



Dorylus Juvenculus. 



of 



Fig. 



10. Node of the abdomen 

 Dorylus labiatus. 



11. Node of the abdomen of 

 Dorylus orientalis. 



12. Node of the abdomen of 

 Dorylus longicornis. 



of 13. Node of the abdomen of 



Dorylus attenuatus. 

 14. Node of the abdomen of 



Dorylus atriceps. 

 of 15. Node of the abdomen of 



Dorylus atratus. 

 of 16. Node of the abdomen of 



Dorylus Hindostanus. 



In this Plate the nodes of the abdomen are figured in profile, 

 and are reversed, to show the form of the scale, or flattened 

 process, in the diflferent species, which apparently forms a good 

 distinctive specific character. 



PLATE n. 



1 . Anterior wing 



Jurinii. 



2. Anterior wing 



Panzeri. 



3. Anterior wing 



Illigeri. 



4. Anterior wing 



atriceps. 



5. Anterior wing 



Hopei. 



6. Anterior wing 



Kiugii. 



of Labidus 

 of Labidus 

 of Labidus 

 of Labidus 

 of Labidus 

 of Labidus 



7. Anterior wing 



Romandii. 



8. Anterior wing 



Swainsonii. 



9. Anterior wing 



Guerinii. 



10. Anterior wins 



Servillei. 



11. Anterior wing 



Burchellii. 



12. Anterior wing 



Halidaii. 



of Labidus 

 of Labidus 

 of Labidus 

 of Labidus 

 of Labidus 

 of Labidus 



