On new Species of Fossorial Thjmenoptera. 291 XXXIX. — Descriptions of new Species of Fossorial Ihpneno-ptera in the Collection of the British Museum. By Frederick Smith, Assistant in the Zoological Department of the British Museum. [Coutiuued from p. 2G0,] Genus Chlorion, Latr. C Morion rec/alis. Female. Length 15 lines. Black ; head, pro-and meso-tliorax bright light red ; the abdomen purple. Mandibles ob-scure ferruginous, with their tips black ; the apical joints of the antenme slightly fuscous above ; the anterior margin of tlie clypeus with four equidistant, short, angular, acute teeth. Thorax : the metathorax, pectus, sides, coxa?, trochanters, base of the intermediate femora beneath, the posterior legs and intermediate tarsi black ; the posterior tibia3 with an obscure ferruginous tinge ; wings dark brown, with a violet irides-cence ; the hind wings have their apical margins clear hya-line ; the anterior ]iortion of the prothorax, and the metathorax above, transversely finely striated. Abdomen smooth and shining, its colour changing from bright purple to shades of blue or violet in different lights. Hah. The Beluchistan district ; Afghanistan ; and Sind. This beautiful insect Avas taken by Dr. Leith, and also by Major T. Le Mcsurier. Genus Sphex, Linn. Sphex torricla. Female. Length 13-15 lines. Black, wings bright ferru-ginous, with broad dark fuscous apical margins. Head : the mandibles falcate, very stout, terminating in an acute point and with a stout acute tooth about the middle of their inner margin ; the face silvery and thickly set with erect black hairs. The posterior margin of the prothorax with silvery pubescence ; the metathorax with black pubescence ; the scu-tellum with a central impressed line ; the postscutellum with two minute tubercles ; beyond the enclosed cells the wings are dark fuscous, with a slight violet iridescence. Abdomen smooth and shining, with a somewhat obscure blue tinge. Hah. Madagascar. Sphex tuherculata. Female. Length 13 lines. Black, with the posterior tibiae and
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