13. Myrmecia nigrocincta ^HNS. B.M.

Worker. Length 5 lines.-Black: the mandibles, antennae, thorax and basal node of the peduncle, ferruginous; the mesothorax black, obscurely reddish beneath; the legs dark rufopiceous, with the tarsi and front of the anterior tibiae ferruginous. The head finely longitudinally rugose; the prothorax with a central longitudinal depression on the disk, and very finely sculptured with a curved transverse striation, which passes obliquely down the sides; the meso- and metathorax very finely striated transversely, the latter with an elongate depression in the middle above; both the nodes smooth and shining; the second node with some obscure ferruginous tints. Abdomen shining, and covered with a fine, silky, cinereous pile, the apex sprinkled with a few long pale hairs.

Hab. Australia.