6. Ponera rufipes ^HNS,

Jerdon. P. atro-fusca; capite thorace nodoque rugosis; abdomine longitudinaliter rude sulcato, pedibus abdominisque apice ferrugineis.

Worker. Length 5 lines. Obscure fuscous, scarcely black; the mandibles, the apex of the scape and of the flagellum, the legs and apex of the abdomen, obscurely ferruginous; the head, thorax, and node of the abdomen, rugose; the eyes small, placed forwards on the sides of the head; the antennae short and thick, the flagellum clavate; two parallel longitudinal carinae running backwards from the insertion of the antennae to within about one-third of the posterior margin of the head. The thorax obliquely truncated behind, the truncation smooth and slightly shining; the truncation of the abdominal node smooth and shining, its margin denticulated; the abdomen coarsely grooved longitudinally.

Hab. Singapore. Malabar.

Specimens of this species from Borneo have the legs nearly or quite black.