24. Polyrhachis eurytus ^HNS.

P. niger cinereo-sericeo vestitus; thorace subovato, spinis duabus antice armato; squama emarginata.

Female. Length 3 3 / 4 lines. Black, and covered with silvery grey pile, which is most dense on the face, metathorax, and abdomen. Thorax sub-ovate, the metathorax truncate with the margin of the truncation acute; the prothorax with two short acute spines. Abdomen globose; the node of the peduncle widely emarginate above and subdentate at the angles. (Pl. I. fig. 23.)

Hab. Celebes (Tondano).