71 . Myrmica virulens ^HNS. B.M.

Worker. Length 2 lines.-Pale reddish-yellow, very smooth

and shining, and thinly sprinkled with erect pale hairs: the club 2-jointed; the vertex faintly depressed in the middle. Thorax deeply strangulated in the middle, the prothorax depressed in the middle. Abdomen: the first node incrassate, rounded above, less elevated and smaller than the second, subglobose.

Hab. Brazil (Ega).

This species is allied to M. saevissima ^HNS. Mr. Bates says, " It is found only in the forest: its formicarium is in the earth, under vegetable debris. Its sting is still more painful than that of M. saevissima ^HNS."