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Show 1895.] HYMENOPTERA O P T H E ISLAND O F G R E N A D A . 757 (2) EUCOELA UNIFOVEATA, sp. n. 2 • Length 1 to 1*2 m m . Polished black ; antennae, except the 8 terminal joints, and legs reddish yellow; 8 terminal joints of antennae black or fuscous. Antennae 13-jointed, a little shorter than the body, the scape a little longer than the pedicel; the first flagellar joint the longest, nearly as long as the second and third united, the fourth, fifth, and sixth subequal, longer than the third, the following joints slightly shorter, but stouter, about twice as long as thick, the last ovate, very slightly longer than the penultimate ; cup of scutellum oval, its disk subconvex, smooth, and polished, with a small rounded fovea posteriorly, the anterior part impunctate. Wings hyaline, ciliate, the veins yellowish, the marginal cell completely closed, about 1\ times as long as wide, the first branch of the radius a little shorter than the second. Abdomen a little longer than the thorax, with a slender pubescent girdle at base. Balthazar. Described from three female specimens. (3) EUCOELA PERPLEXA, sp. n. 2. Length 1*5 m m . Polished black; antennae, except 3 or 4 apical joints which are fuscous, rufous ; legs brownish yellow. Antenna3 13-jointed, extending to middle of abdomen, the scape about ITJ- times as long as the pedicel, the latter rounded; first flagellar joint, except the large ovate terminal joint, the longest, 1-J times as long as the second, joints 3-7 imperceptibly shortening, but also thickening, joints 8-10 a little longer, oblong-oval, the last joint large, ovate, about twice as long as tbe penultimate. Cup of scutellum much narrowed, subovate, produced into a long carina anteriorly, the body of cup far away from the margin of mesonotum, with a small fovea posteriorly, the anterior part with 4 or 5 punctures. Wings hyaline, ciliate, the veins yellowish, the marginal cell completely closed, twice as long as wide; the apical branch of the submarginal vein nearly straight and forming almost a right angle with the outer margin, the second abscissa of radius about If times the length of the first. Abdomen a little longer than the thorax, with a dense griseous woolly girdle at base. Balthazar. Described from one female specimen. (4) EUCOELA OBLITERATA, sp. n. 2. Length 1*5 m m . Polished black; antennae, except 4 or 5 apical joints, and legs brownish yellow, apical joints black or fuscous; abdomen along the venter more or less piceous or rufous. Antennae 13-jointed, about as long as the body, the scape not quite twice as long as the pedicel; joints of flagellum 1-5 slender, subcylindrical, the first the longest, the following gradually shortening, the fifth, although the shortest, is a little the thickest; joints 6-10 subequal, about 2\ times as long as thick, the last |