13. Polyrhachis modestus HNS.

Female. Length 3 lines.-Black: the thorax ovate; the metathorax with two short blunt spines; the scale of the peduncle quadrate, armed above at the lateral angles with an acute spine which curves backwards. The head and thorax very delicately rugose; the flagellum rufo-piceous at the apex beneath; the wings flavo-hyaline, the nervures pale testaceous; the apical joints ofthe tarsi obscurely ferruginous. The abdomen globose, smooth and shining.

Hab. Singapore. (Coll. W.W. Saunders, Esq.)