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Show 1902.J DRAGONFLIES OF T H E "SKEAT EXPEDITION." 67 Journ. Linn. Soc, Zool. xxiv. p. 551; Selys, Ann. Mus. Genov. (2) x. p. 468 (1891). A widely spread Oriental species; common on the lower reaches of the Kelantan River and in the town of Trengganu. CROCOTHEMIS SERVILIA (Drury). Crocothemis servilia, Kirby, Cat. Odonata, p. 21 ; Selys Ann. Mus. Genov. (2) x. p. 468 (1891). Kwala Aring in August, in an open space near forest. East Indies and*Australia. BRACHYDIPLAX MARIA Selys. Brachydiplax maria, Kirby, Cat. Odonata., p. 22. Kwala Aring. Dindings and Selangor (Ridley). Borneo. •BRACHYDIPLAX MEL.EXOPS Selys, Ann. Mus. Genov. xxvii. p. 457. Brachydiplax melanops, Kirby, Cat. Odonata, p. 22. A small species from Selangor taken by Mr. Ridley, and now in the British Museum, probably belongs to the species indicated by de Selys, agreeing with it in its small size. Abdomen 16*5 mm. long; hind wing 22'5. The thorax and first fore segments of abdomen blue-pruinose. 6 prenodals and 5 postnodals on the fore wing. Internal triangle free. BRACHYDIPLAX PRUINOSA, sp. n. Length of abdomen 18-5 mm. Length of hind wing 24 mm. o* . Head yellowish grey, margins of the upper and lower lips black, frontal tubercle, and upper surfaces metallic blue. Eyes brown. Prothorax and thorax coppery green dusted over with very pale blue ' bloom.' Abdomen : first five segments grey, also coated with ' bloom,' the rest black, second and third segments with a transverse carina ; legs black ; pterostigma and venation black. Fore wings: 8 antenodals, 6 or 7 postnodals. Discoidal triangle free, followed by two rows of cells. Hind wings : 7 antenodals, 6 or 7 (usually 7) postnodals. The hind wings have a faint tint of yellow at their base. Two males from Kwala Aring taken in August. •MICRODIPLAX DELICATULA Selys. Microdiplax delicatula, Kirby, Cat. Odonata, p. 22. MACRODIPLAX VITTATA Kirby. Urothemis vittata Kirby, Journ. Linn. Soc, Zool. xxiv. p. 552, pi. 42. fig. 2. A male specimen from Kwala Aring. Mr. Kirby tells me that this species should be referred rather to the genus Macrodiplax 5* |