1 . Heptacondylus subcarinatus ^HNS. B.M.

Worker. Length 2 1/2 lines.-Head, antennae, thorax and legs, ferruginous, or pale ferruginous; abdomen fuscous, or rufo-fuscous, the petiole of the basal node pale; head shining, and having a number of short, irregular, delicate carinae on the front and vertex; there are also a few irrregular striae in front of the eyes. Thorax: the sides compressed, widest in front, the superior surface slightly convex, and having a number of longitudinal, abbreviated, slightly elevated carinae, the lateral margins traversed by a slight carina; the metathorax with two stout acute spines. Abdomen smooth and shining; the insect sprinkled with a number of pale erect hairs, most numerous on the antennae and legs.

Hab. Borneo (Sarawak).