3. Formica consanguinea ^HNS.

F. capite abdomineque nigro-fuscis; antermis, thorace, abdomine, squamula pedibusque ferrugineis.

Worker. Length 3 lines. Head black, with a slight ferruginous tinge and a prismatic lustre in various lights; before the insertion of the antennae it is red as well as the mandibles and antennae; the latter slender and a little longer than the thorax. The thorax narrow, and much compressed behind; and, as well as the legs, of a bright pale ferruginous. Abdomen ovate, fuscous and thinly sprinkled with pale hairs; the scale of the peduncle ferruginous, small, narrow, upright, with the superior margin rounded.

Hab. Celebes (Tondano).

This is probably the worker minor of F. virulens ^HNS.