71 



EXPLANATION OF THE PLATES. 



PLATE I. 



Fig. 

 1. 

 2. 

 3. 

 4. 

 5. 



/. 

 8. 

 9. 



Dorylus Hindostanus. 

 Rhogmus Jimbriatus. 

 Labidus Burchellii. 

 sEnictus certus. 

 Node of the abdomen 



Dorylus helvolus. 

 Node of the abdomen 



Dorylus affinis. 

 Node of the abdomen 



Dorylus nigricans. 

 Node of the abdomen 



Dorylus glabratus. 

 Node of the abdomen 



Dorylus Juvenculus. 



Fig. 



10. Node of the abdomen of 



Dorylus labiatus. 



11. Node of the abdomen of 



Dorylus orientalis. 

 of 12. Node of the abdomen of 



Dorylus longicornis. 

 of 13. Node of the abdomen of 



Dorylus attenuatus. 

 of 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 different species, which apparently forms a good 

 distinctive specific character. 



PLATE II. 



1 . Anterior wing of 



Jurinii. 



2. Anterior wing of 



Panzeri. 



3. Anterior wing of 



Illigeri. 



4. Anterior wing of 



atriceps. 



5. Anterior wing of 



Hopei. 

 G. Anterior wing of 

 Klugii. 



Labidus 

 Labidus 

 Labidus 

 Labidus 

 Labidus 

 Labidus 



7- Anterior wing 

 Romandii. 



8. Anterior wing 



Swainsonii. 



9. Anterior wing 



Guerinii. 



10. Anterior wing 



Servillei. 



11. Anterior wing 



Burchellii. 



12. Anterior wing 



Halidaii. 



of Labidus 

 of Labidus 

 of Labidus 

 of Labidus 

 of Labidus 

 of Labidus 



