Sp. 3. Pseudomyrma termitana .

Female.-Length 3| lines. Head black; the anterior margin of the face, the mandibles and scape ferruginous; the thorax and legs ferruginous, the wings hyaline, the nervures pale testaceous, the stigma fuscous; the tibiae have the calcaria pale testaceous; the metathorax rounded posteriorly; the two nodes and basal segment of the abdomen ferruginous; the apical segments black; the entire insect is smooth and thinly covered with a very fine sericeous pile; the form of the thorax is an elongated oval, rather widest in front.

Worker.-Length 2.5 lines. Coloured the same as the female; the thorax rather widest in front, the sides being compressed.

Mr. Bates finds this species constructing its elliptical chamber, or dwelling, in the walls of the tumulus of a species of white ant. I have no doubt of this being a species of Pseudomyrma, as described by Lund; its head is rather larger, and the eyes larger than in the other species.