PLATYURA. 61 



hind margins of segments yellow, the colour extending to, and 

 widening at, the sides ; belly black. Genitalia of male composed 

 of a short, very broad, dorsal plate continued over the sides, a 

 pair of claspers with bilobed second joiut and some other elongate 

 slender appendages ; the whole organ brownish yellow, pubescent ; 

 concealed in female, with a pair of small conical moderately thick 

 grey appendages. Legs : coxae and femora brownish yellow, the 

 former with a brown streak on the outer side ; tibiae and tarsi brown. 

 Wings pale grey ; all the veins very narrowly suffused. A broad 

 light brown stripe from end of 1st longitudinal vein, passing 

 diagonally just before the middle of the wing to the anal border; 

 this stripe a little widened in the middle ; a narrow similarly 

 coloured stripe from the middle of the 3rd vein diagonally to- 

 the middle of the upper branch of the 4th. 



Length 2 1 millim. 



Described from a male and female in perfect condition in. 

 the Indian Museum collection, taken in cop. by Lt.-Col. Hall at 

 Sylhet, 10. iv. 05. A very distinct species, also conspicuous by 

 its small size and more robust appearance compared with the 

 other Oriental species. 



11. Platyura apicipennis, sp. nov. (PI. I, fig. 8; PI. Ill, fig. 4.) 



5 . Head rather dark brown, vertex yellowish ; ocellar protu- 

 berance blackish. Antennae with the 1st joint of scape yellow, 

 2nd brown ; flagellum black, 1st joint a little longer than the 

 others. Underside of head, and mouth-parts, yellow. Thorax 

 yellow, semi-transparent ; * viewed from a different direction the 

 dorsum appears pale blackish grey, with a tinge of whitish 

 reflections here and there. Entire surface covered with short 

 black hairs, which are longer and bristly about the side margins 

 above the wing. Scutellum concolorous, with a few hairs; sides 

 of thorax yellowish ; metanotum and metapleurse concolorous v 

 slightly dusted with grey. Abdomen moderately shining black, 

 minutely pubescent, 1st segment nearly wholly so, the others each 

 with a broad bright yellow posterior margin, which is widest in 

 the middle (and is probably more or less variable), extending to 

 nearly half the segment in the case of the 3rd ; belly mainly 

 yellow. Legs : coxae and femora yellow ; tibiae brownish yellow ; 

 tarsi black. * Wings yellowish ; a blackish suffusion towards tip, 

 placed just beyond the upper branch of the 3rd vein, the absolute 

 tip being, however, not quite so dark. Halteres brownish yellow. 



Length 5| millim. 



Described from a single male in the Indian Museum from 

 Naini Tal, 6000 feet, 2. vi. 09. 



The pin bearing the specimen can be seen through the thorax. 



