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Show 402 MR. MARTIN JACOBY ON NEW SPECIES [Nov. 28, Length 7 millim. Head entirely impunctate, very light testaceous; eyes well separated, moderately large, frontal elevations narrowly transverse ; antenna1 slender, black, the apical two joints sometimes pale, the third and fourth equal; thorax with broadly rounded and flattened sides, the sulci strongly marked, the disc impunctate, testaceous, with the anterior and posterior margins black at the middle, the anterior angles not mucronate but slightly produced; scutellum more or less fuscous; elytra rather convex, very closely and finely punctured ; the breast, tibia?, and tarsi more or less piceous ; the metatarsus distinctly elongate, the claw-joint strongly swollen. JIab. Bolivia. This species may easily be mistaken for one of the varieties of Oedionychis albipennis Jac., but it is of a more convex shape, the eyes are much more widely separated, the intermediate space is very light-coloured and entirely impunctate, and the metatarsus of the posterior legs is distinctly more elongate. A sph .e r a t a r s a t a , sp. n . (Plate XIY. fig. 10.) Head, antenna?, and thorax, under side and legs black; thorax with broadly flattened sides, impunctate ; elytra obscure testaceous, finely and closely punctured; metatarsus of the posterior legs elongate and slender, claw-joint strongly swollen. Length 8 millim. Head impunctate, black, frontal tubercles very strongly developed, trigonate, carina convex; antennae black, the lower three joints shining, the others pubescent, the intermediate joints slightly widened, third and fourth joints equal; thorax with strongly rounded and broadly flattened sides, anterior margins blunt and slightly produced outwards, more or less testaceous, the rest of the surface black; scutellum black; elytra convex, widened towards the middle, with broadly reflexed margins, the base without depression, closely, finely, but distinctly granulate-punctate; under side and legs black. Ifab. Peru. The more than usual elongate and slender metatarsus and the strongly swollen claw-joint and system of coloration well distinguish this species, of which 1 possess a single specimen. A s p ii/Er a n a s a l is , sp. n . Black, the head and the sides of the thorax anteriorly pale testaceous, the anterior angles mucronate ; elytra testaceous, finely and closely punctured ; carina of the head very broad. Length 7i millim. H eadpale testaceous, shining, impunctate; eyes widely separated, frontal elevations broadly oblique, carina very broad and convex; antennae long and slender, black, third and fourth joints very elongate, equal; thorax more than twice as broad as long, the sides broadly flattened and rounded, the anterior angles mucro- |