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Show 1902.] OF AMERICAN COLEOPUERA. 173 the vertex greenish-aeneous ; the antennae rather long and slender, flavous, the terminal joints fuscous, the third and fourth joints equal, scarcely longer but much thinner than the second one ; thorax twice as broad as long, the sides straight, the anterior angles oblique, forming a distinct tooth before the middle, posterior margin rather broadly produced at the middle, the basal sulcus deep and sinuate, bounded at the sides by deep perpendicular grooves, the surface rather convex, impunctate, greenish-aeneous; elytra with the base slightly raised, distinctly punctured in closely approached rows which become obsolete near the apex; legs flavous, the posterior femora blackish. Hab. St. Catharina, Brazil. Of only half the size of D. flavipes, the basal margin of the thorax not straight as in that species, but slightly produced at the middle, the punctuation of the elytra more distinctly arranged in rows, and the posterior femora black, not flavous. DlPHAULACA FRUHSTORFERI, Sp. n. Greenish-aeneous, basal joints of the antennae and the base of the femora (more or less) testaceous ; head deeply foveolate ; thorax obsoletely punctured, metallic green or aeneous, the basal sulcation deep; elytra with the base raised, rather strongly and closely punctate-striate, metallic green or brassy. Length 3| millim. Head impunctate, deeply foveolate between the eyes, the latter large and prominent, frontal elevations obsolete, carina acute; antennae rather long and slender, piceous, the lower four joints and the apical one testaceous, third and fourth joints equal, terminal joints equally long, not thickened ; thorax transversely subquadrate, the sides straight, the anterior angles slightly thickened and oblique, the basal sulcus deep, bounded at the sides by equally deep perpendicular grooves, the surface convex, nearly impunctate, brassy green; elytra with the base distinctly raised, the basal margin preceded by a deep groove which extends in front of the shoulders, the surface strongly and closely punctate-striate anteriorly, the punctures very much finer towards the apex, below dark aeneous; legs robust, piceous, the femora more or less testaceous at the base, posterior tibiae slightly curved and dilated at the apex. Hab. St. Catharina, Brazil (Fruhstorfer). Principally distinguished from other species of the genus by the deep frontal fovea, the strong and close punctuation of the elytra, and the colour of the legs. DlPHAULACA HAROLDI, Sp. n. Below blackish, above greenish-aeneous, the basal three joints of the antennae flavous; thorax transverse, finely punctured ; elytra with the basal portion convex, regularly punctate-striate, the striae remotely placed. Length 2| millim. • • |