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Show 1901.] HYMENOPTERA FROM NEW BBlTAlN. 235 Closely allied to the foregoing is the following from New Guinea :- CHRYSIS (HEXACHRYSIS) DEMOCRATICUS, sp. nov. Long. 12 mm. § . The basal three joints of the antennae are green, the rest black; the third is fully twice the length of the fourth. The upper part of the head is deeply, closely rugosely punctured ; the centre is of a darker bluer tinge, the sides are more brassy ; the lower edge is '-'-^-shaped and deeply excavated in the centre below the keel; the raised sides have large deep foveae. The front is much more golden in tint than the vertex; it is closely and minutely punctured with some minute striae; the orbits are" deeply, irregularly punctured. Thorax above strongly, closely, and uniformly punctured; the punctures on the post-scutellum are larger and deeper; its sides, above, project: the middle fovea is large, and wider than long; the lateral are smaller, shallower, oval, and are placed obliquely. The apex of the median segment has an almost perpendicular slope ; the projecting sides are sharply pointed. The upper part of the propleurae is coarsely punctured, the lower part of it is deeply excavated, above it is rounded ; the base is straight, the lower part has a straight, oblique slope, the centre of the depression is closely, obliquely striated. The base of the meso-pleurae is golden, closely and minutely punctured, and is distinctly bordered on the outer side; the rest is coarsely and deeply punctured; the lower part projects; this lower part is separated from the upper by an oblique row of more elongated irregular punctures ; the posterior lower part is finely and closely striated. Metapleurae closely and minutely striated, they are golden in tint. The coxae and femora are golden ; the tibiae are also tinged with golden; the tarsi are for the greater part black ; the hair is thick and white. Wings fuscous-violaceous ; the nervures are deep black, with a slight violaceous tinge. Abdomen green, blue in the centre; the sides largely tinged with golden; the basal two segments are uniformly puuctured, but not very closely or deeply; the third is more closely and deeply punctured ; the punctures become deeper and closer towards the apex; there are 6 teeth; the foveae are deep and irregular ; the ventral surface is largely brassy ; the last is broadly black round the edges. MUTILLID^E. MUTILLA NOVO-BRITANNICA, sp. nOV. Nigra, dense albopilosa, abdominis basi late rufa ; alis violaceis, basi hgalinis. 8 • Long. 12 mm. Scape of antennae closely puuctured, sparsely covered with white stiff hair; the scape opaque, covered with a pale down. Head : the face thickly covered with long glistening white hair; the front and vertex closely and strongly punctured, and covered with white glistening hair ; the anteunal tubercles on the outer |