46. Polyrhachis viscosus ^HNS. Pl. IV. fig. 41. B.M.

Worker. Length 2 1/4 lines.-Opake-black: head and thorax finely rugose, abdomen delicately shagreened. The thorax with a short, stout, acute tooth at each of its anterior angles, and also a minute one at the posterior angles of the metathorax; the divisions of the parts of the thorax strongly marked, the disk slightly convex, with the lateral margins acute. The scale of the peduncle incrassate, subquadrate, with a long, acute spine at each of the superior angles, and two shorter ones between them. Abdomen subglobose.

Hab. Port Natal.