68 MR. p. F. LAIDLAW ON THE [Feb. 4, 



than to Vrothemis. The last postnodal cell is as long or a little 

 longer than the pterostigma in the fore wing. 



Tyeiobapta toerida Kirby. 



Tyriohapta 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. 



Nesoxenia metallica, Kirby, Cat. Odonata, p. 180. 



Cratilla metallica, id. Ann. & 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. Kanges through the East 

 Indies to Australia. 



Orthetrum pruinosum (Burm.). 



Orthetrum primiosum, Kirby, Cat. Odonata, p. 38 ; Ris \ Arch, 

 f. ISTaturg. Jahrg. 66, p. 185, pi. ix. fig. 3. 



A single specimen ( c? ) from Kwala Aring, September 1899. 

 East Indies. 



Orthetrum testaceum (Burm.). 

 Orthetrum testacexim, 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 TJlu 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 difiers in the 

 1 Dr. Ris {Jtoc. cit.) records O. chrysis from Malacca. 



