XVII. HYMENOPTERA, II: ANTS (FORMICIDAE). 

 By WiivWAM Morton Wheeler. 



Subfamily PONERINAE. 



1. Myopopone castanea, F. vSmith var. inaculata, Roger. 



Several workers from Kobo, 400 ft.; ''in rotten 

 wood," " under logs" and " under bark." 



2. Centromyrmex feae, Emery. 



Two workers from Sadiya, N E. Assam; "under 

 logs " 



3. Odontomachus nionticola, Emery. 



One worker from Yembung, iioo feet. 



4. Leptogenys (Lobopelta) assamensis^ Forel. 



One worker from Kobo, 400 ft. 



5. Euponera {Brachyponera) nigrita, Emery. 



Several workers from Kobo, 400 ft. ; -'in rotten 

 wood." 



6. P oner a con finis, Roger, var. 



Two winged females from Farm Caves, near Mulmein; 

 '' in depths of a large cave." 

 These specimens are even darker than the var. wroughtoni , 

 Forel, of Ceylon, but without the corresponding workers I hesitate 

 to describe them. 



7. Pachycondyla {Eciomomyrmex) astuta, F. Smith. 



A single worker from Rotung, 1400 ft.; "under 

 stones." 



8. Pachycondyla [Ectomomyrmex) javana, Mayr subsp. 



mater na, Forel. 



Several workers from Rotung, 1400 ft. ; " under leaf- 

 stem of plantain." 



Subfamily DORYLINAE. 



9. Dorylus (Alaopone) orientalis, Westwood. 



Many workers from Kobo, 400 ft. ; "in rotten fvood." 



10. Dorylus {Alaopone) vishnui, sp. nov. 



Worker. Length 1*5 — 6 mm. 



Resembhng A. orientalis. Mandibles falcate, pointed, with a 

 single large tooth or more rarely with two teeth besides the apical 

 point. Head sub rectangular, about I longer than broad, scarcely 



