10. Polyrhachis dives ^HNS. Pl. IV. figs. 32, 33. B.M.

Worker. Length 2 1/2 lines.-Black: clothed with pale golden pubescence; the thorax with two short curved spines in front, and two of about the same length on the metathorax; the sides of the thorax nearly parallel, very slightly widest in front; the scale of the abdomen compressed, square anteriorly, and furnished with two long spines curved backwards. The pubescence on the head and thorax obscurely golden; the legs without spines or pubescence, the calcaria pale testaceous.

Hab. Singapore.