7. Polyrhachis carbonarius ^HNS.

P. aterrimus, nitidus; capite thoraceque supra aciculatis, abdominis squamula supra fornicata.

Worker. Length 2 lines. Jet-black, shining: the head and the thorax above, longitudinally aciculate, the thorax most finely so. Thorax: the anterior margin of the thorax with a short acute spine at the lateral angles; the truncation of the metathorax smooth and shining; the legs elongate, with acute spines or hairs; the calcaria pale testaceous; the anterior tibiae obscurely ferruginous in front. Abdomen ovate, smooth and shining; the scale incrassate, narrowed to a sharp edge above, the superior margin wide and arched, not spined.

Hab. Malacca.