11. Ponera diminuta ^HNS.

P. nigra; vertice delicatule curvato-striato; pedibus rufo-piceis; abdomine laevigata nitido squama quadrata.

Worker. Length 3 lines. Black: the mandibles, and the extreme base of the scape, ferruginous; the flagellum fusco-ferruginous; the head elongate, narrowed behind, delicately striated; the striae curved transversely on the vertex. Thorax elongate, produced into a neck anteriorly; swollen in front, compressed in the middle, and again widened to the apex, which is obliquely truncated; the truncation with a few deep transverse striae; the thorax above with short irregular scratches or abbreviated striae; the legs elongate, rufo-piceous, the tarsi pale. Abdomen: the scale, viewed laterally, is quadrate; above slightly narrowed in front, and truncated before and behind; the first segment rounded at the base and constricted at the apex, the second segment narrowed at the base; the abdomen smooth and shining, with the apical margins of the segments, and the apex, rufopiceous.

Hab. Borneo (Sarawak).

This species is nearly an exact representative in form, on a reduced scale, of the P. tarsata ^HNS.