Descriptions of new species of hymenopterous insects collected by Mr. A. R. Wallace at Celebes. (Part Formicidae) Author Smith, F. text Journal of the Proceedings of the Linnean Society of London, Zoology 1860 5 57 93 http://128.146.250.117/pdfs/2592/2592.pdf journal article 2592 308AABE0-116E-4CA6-A153-B2A689E71E23 8. Polyrhachis saevissimus . P. niger, tibiis ferrugineis; thorace spinis duabus acutis antice et postice armato; squama subquadrata, spinis duabus longis curvatis; abdomine laevigato , nitido. Worker . Length 3 lines. Black, with the abdomen smooth and shi. ning; the head and thorax subopake, and thinly covered with cinereous pile; mandibles shining black; the palpi pale testaceous.. Thorax armed in front with two stout acute spines, the metathorax with two, more slender and longer diverging spines; the peduncle has two long spines which curve round the base of the abdomen; the tibiae ferruginous, but more or less obscure at their base. Hab. Makassar.