Sp. 6. Pseudomyrma elegans .

Worker.-Length 3 lines. The head and abdomen black; the scape in front, the base of the flagellum, the anterior margin of the face and the mandibles, ferruginous: the thorax, legs and nodes of the abdomen, ferruginous; the apical joints of the tarsi slightly fuscous; the entire insect destitute of pubescence.

This species was captured by Mr. Bates, at Para. In my own Collection.