14. Odontomachus ruficeps ^HNS. B.M.

Worker. Length 5 1/2 lines.-Head red; the thorax, legs and abdomen dark rufo-fuscous. The mandibles distinctly serrated on their inner edge, abruptly bent at their apex and armed with two stout blunt teeth, with a smaller tooth in the middle of their fork; the head delicately striated, the striae longitudinal on the prominence which extends from the insertion of the antennae to the junction of the lateral sulcations on the face; the vertex obliquely striated, as well as the anterior sulcations. Thorax striated, the striation of the prothorax having a circular direction; that on the meso- and metathorax transverse; the legs palest at the joints. The abdominal peduncle spined at the apex, as in O. haematodes, and striated transversely. The abdomen ovate, smooth and shining.

Hab. Australia,