28. Ponera denticulata ^HNS. Pl. VI. figs. 13, 14.

Female. Length 4 1/2 lines.-Black: the head wider than the thorax, oblong-quadrate; the antenna?, mandibles, and margins of the carina between the antennae, obscurely ferruginous; the anterior margin of the clypeus regularly denticulate; the mandibles with five long acute teeth; the head strongly longitudinally striated. Thorax above, deeply and transversely striated, the scutellum longitudinally, and the sides obliquely so; the anterior tarsi clothed beneath with golden-yellow pubescence; the tibiae and tarsi obscurely fusco-ferruginous; wings fusco-hyaline, the nervures testaceous. Abdomen ovate; the node of the peduncle compressed above, its superior margin rounded and deeply notched in the middle.

Hab . Cape of Good Hope. (Coll. Frederick Smith.)