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Show 1894.] COLEOPTERA OF THE GENUS CEPIONYCHIS. 627 scutellum black ; elytra very closely and slightly more strongly punctured than the thorax, widened at the middle, with a narrow flattened margin, flavous, the extreme apex with a transverse black spot; below black, the prosternum and the base of all the femora flavous. Hab. Upper Amazons. EPIONYCHIS PARBALIS, n. sp. (Plate XXXVIII. fig. 1.) Dark fulvous, the vertex, antenna?, the scutellum, and the tibiae blackish ; thorax extremely minutely punctured ; elytra closely and strongly punctured, fulvous, a spot on the shoulders, another near the scutellum, a transverse spot below the middle, and two small ones near the apex, black. Length 4 lines. Head punctured round the eyes, the vertex greenish black, the lower portion fulvous, labrum and palpi piceous; antenna? black, joints three and four nearly equal; thorax three times broader than long, the sides straight at the base, rounded in front, the anterior angles slightly dentiform, the sides broadly flattened, the surface very finely punctured, only visible under a strong lens; scutellum black ; elytra rather strongly and closely punctured, each with five small black spots, of which one is placed on the shoulder, another near the suture below the scutellum, the third, of transverse and oblique shape, below the middle, and two very small spots placed transversely near the apex ; underside and legs dark fulvous, the anterior tibia? obscure piceous, abdominal segments rather closely and distinctly punctured, with some yellowish pubescence. Hab. San Paulo, Brazil. EPIONYCHIS VIGINTINOTATA (Clk. Catal.). (Plate XXXVIII. fig. 10.) Black, the terminal segments of the abdomen flavous, above dark greenish, subopaque; thorax impunctate, with six flavous spots, anteriorly and posteriorly; elytra with seven flavous spots each (2.2.2.1), these finely punctured, rest of surface opaque, impunctate. Length 2|- lines. Head flat, opaque, with a few punctures near the eyes only, dark greenish, the frontal tubercles and carina almost entirely wanting; antenna? short and stout, black, the joints scarcely longer than broad, slightly thickened towards the apex ; thorax scarcely more than twice as broad as long, the sides straight at the base, slightly rounded anteriorly, the anterior angles not produced, rather blunt, the sides with a narrow reflexed margin, the surface entirely impunctate, more shining than the elytra, the anterior margin with three small bright flavous spots, one at each angle, the third at the middle, the base with three similar spots placed in the same positions; scutellum broader than long, v 42* |