Z HYMENOPTERA. 



Dorylus helvolus, Latr. Hist. Nat. xiii. 260 ; Gen. Crust, et Ins. 

 iv. 124. 



Shuck. Ann. 8f Mag. Nat. Hist. 1st ser. v. 315. 2 (1840). 

 Westw. Arc. Ent. i. 79. 2. 



Hah. Cape of Good Hope (Port Natal). 



2. Dorylus affinis. B.M. 



Dorylus affinis, Shuck. Ann. Sf Mag. Nat. Hist. 1st ser. v. 316.3 

 (1840). 



Westw. Arc. Ent. i. 79. 3. 



Ha b. Africa (Gambia). 



Sect. 2. — Peduncle cup-shaped, nearly as large as the following 



segment. 



3. Dorylus nigricans. B.M. 



Dorylus nigricans, Illig. Mag. i. 188. 18. 

 Fabr. Syst. Piez. 427. 2. 

 Latr. Gen. Crust, et bis. iv. 124; Nouv. Diet. d'Hist. Nat. 



2nd ed. 9. 556. 

 Shuck. Ann. 3f Mag. Nat. Hist. 1st ser. v. 271. 1 (1840). 

 Westw. Arc. Ent. i. 79. 1. 



Hab. Sierra Leone. 



Sect. 3. — Peduncle quadrate ; mandibles slender and much 

 acuminated. 



4. Dorylus glabratus. B.M. 



Dorvlus glabratus, Shuck. Ann. ty Mag. Nat. Hist. 1st ser. v. 317. 

 4(1840). 



Westw. Arc. Ent. i. 79. 4. 



Hab. Africa (Gambia). 



5. Dorylus Juvenculus. B.M. 



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

 318. 5(1840). 



Westw. Arc. Ent. i. 80. 5. 



Hab. Barbary. 



6. Dorylus labiatus. B.M. 



Dorylus labiatus, Shuck. Ann. Sf Mag. Nat. Hist. 1st ser. v. 319. 

 6 (1840). 



Westw. Arc. Ent. i. 80. 6. 



Hab. India (Poonah and Assam). 



