3. Physatta gibbosa HNS.

Female. Length 4 lines. - Head, thorax, and nodes of the peduncle ferruginous; the abdomen, legs and antennae black; the legs with a very obscure ferruginous tint, the tips of the joints brighter; the tips of the joints of the antennae rufo- piceous; the head and thorax longitudinally rugulose; the head, thorax, legs and antennae thinly clothed with black pubescence; the thorax subglobose, very convex above; the scutellum pro- minent; the metathorax terminating in two stout spines; the wings dark fuscous. Abdomen globose and shining, thinly sprinkled with black hairs; the nodes of the peduncle subglo- bose, the first scarcely larger than the second.

Hab. Java. (Coll. East India House.)