19. Formica pallida ^HNS.

F. pallide testacea laevis nitida sparse pilosa; squamula elongato-ovata.

Worker. Length 2 1/2 - 3 lines. Pale rufo-testaceous, smooth and shining; the head much wider than the thorax, the vertex widely and deeply emarginate; the mandibles dark rufo-piceous; the flagellum and the legs paler than the rest of the body; the thorax compressed behind; the scale narrow and ovate; abdomen subglobose, and thinly sprinkled with long pale hairs; the head and thorax also slightly pubescent.

Hab. Borneo (Sarawak).

Some individuals of this species differ from the form described, in having the head and abdomen of a deeper hue; the prothorax is sometimes dark, but all have the scale of the same elongate-ovate form, without any notch above.