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Show 68 MR. F. F. LAIDLAW ON THE [Feb. 4, than to Urothemis. The last postnodal cell is as long or a longer than the pterostigma in the fore wing. TYRIOBAPTA TORRIDA Kirby. Tyriobapta torrida, Kirby, Cat. Odonata, p. 32; Karsch, Abh. v. d. Senckenberg. nat. Gesell. xxv. 1. p. 221 (1890). This species haunted a small forest stream close to the village of Kwala Aring. It was apparently confined to this locality in that neighbourhood. A common Bornean insect. CRATILLA METALLICA (Brauer). Protorthemis metallica, Kirby, Oat. Odonata, p. 30; Selys, Ann. Mus. Genov. (2) x. p. 461 ; Karsch, Abh. v. d. Senckenberg. nat. Gesell xxv. 1. p. 221. Nesoxenut metallica, Kirby, Cat. Odonata, p. 180. Cratilla metallica, id. Ann. k Mag. Nat. Hist. (7) v. p. 542. Common at Kwala Aring and on Gunong Inas. ORTHETRUM SABINA (111.). Orthetrum sabina, Kirby, Cat. Odonata, p. 35. Abundant all along the East Coast. Ranges through the East Indies to Australia. ORTHETRUM TRUINOSUM (Burm.). Orthetrum pruinosum, Kirby, Cat. Odonata, p. 38 ; Risl, Arch. f. Naturg. Jahrg. 66, p. 185, pi. ix. fig. 3. A single specimen (c?) from Kwala Aring, September 1899. East Indies. ORTHETRUM TESTACEUM (Burm.). Orthetrum testaceum, Kirby, Cat. Odonata, p. 39. A pair, in cop., from Kwala Aring, September. Also a single male from the same locality. Recorded from Java. ORTHETRUM NICEVILLEI Kirby. Orthetrum nicevillei, Kirby, Ann. & Mag. Nat. Hist. (6) xiv. p. 112 (1894). Described from specimens from Tenasserim. A single specimen from Ulu Aring, September 1899. ORTHETRUM sp.-Our collection includes a female Orthetrum belonging to a species distinct from, but closely allied to, 0. sabina. The abdomen is shorter, 26 mm., and distinctly stouter, the anal appendages are black, and the sides of the thorax are not so distinctly marked with black. I have been unable to identify it. LYRIOTHEMIS PRIAPEA Selys. Lyriothemis priapea, Kirby, Cat. Odonata, p. 25. This genus is closely allied to Orthetrum, but differs in the 1 Dr. Ri? (loc. cit.) recqrds O. chrysis from Malacca. |