HYMENOPTERA. 3 



7- Dorylus Hindostanus. Plate I. fig. 1 . 



Length 1 inch. — Rufo-fuscous, smooth, and covered with fine 

 glittering downy pile : mandibles slender and acuminate at the 

 apex ; the face, base of the mandibles, the coxae, and apex of the 

 abdomen with long curling pale yellow hair ; face and forehead 

 slightly prominent ; the ocelli in an equilateral triangle, the face 

 deeply sulcated in front of the anterior one ; the antennae seta- 

 ceous, the scape about half the length of the flagellum. Thorax 

 gibbous in front, the scutellum transverse ; the metathorax 

 abruptly truncated, the margin of the truncation fringed with pale 

 hairs ; wings hyaline, nervures brown, the radial nervure ex- 

 tending a little beyond the inner angle of the marginal cell ; the 

 legs castaneous. Abdomen elongate and cylindrical, the pe- 

 duncle quadrate-convex; compressed beneath into a subtrian- 

 gular form ; the peduncle much narrower than the following 

 segment ; the terminal segment very pilose. 



Hab. India (Punjaub). 



This species is most closely allied to the D. Juvenculus, Shuck., 

 but may be distinguished by the different form of the under side 

 of the peduncle ; its forehead is less convex, and its peduncle 

 narrower in proportion to the following segment. 



Sect. 4. — Peduncle quadrate ; mandibles broad and nearly 



triangular. 



8. Dorylus orientalis. B.M. 



Dorylus Orientalis, Westw. Proc. Zool. Soc. 1835, p. 72. 



"Shuck. Ann. fy Mag. Nat. Hist. 1st ser. v. 320. 7 (1840). 

 Westw. Arc. Ent. i. 80. 7. 

 Hab. India (Bengal). 



9. Dorylus longicornis. B.M. 



Dorylus longicornis, Shuck. Ann. 8f Mag. Nat. Hist. 1st ser. v. 



321. 8 (1840). 



Westw. Arc. Ent. i. 80. 8. 



Hab. India (Bengal). 



10. Dorylus attenuatus. 



Dorvlus attenuatus, Shuck. Ann. fy Mag. Nat. Hist. 1st ser. v. 



322. 9 (1840). 



Westw. Arc. Ent. i. 80. 9. 



Hab. Africa (Gambia?). (Coll. F. Smith.) 



b 2 



