400 TIPULID^. 



spot over the marginal vein, and a less distiuct one at the tip of 

 the 2nd vein. 



Length 5 millim. 



Described from a female from Darjiling, taken by rae on the 

 hillside, 30. ix. 08. 



Type in the Indian Museum. 



JSomewhat easy to distinguish by its glassy iridescent wings. 



296. Lininol)ia triangularis, sp. nov. 



$ , Head : f rons very wide, dark grey ; antennae brownish 

 yellow ; proboscis yellowish, palpi darker. Thorax yellowish, 

 with three light brown dorsal stripes of the usual pattern ; the 

 •outer ones continued hindwards to the posterior margin, the 

 median one running from the anterior margin to middle of the 

 'dorsum. Scutellum and metanotum brownish ; sides of thorax 

 ■yellowish, pleurae apparently not darker. Abdomen rather pale 

 yellowish ; an indistinct narrow brown stripe on the posterior 

 margins of most of the segments ; base of abdomen a little darker. 

 Ovipositor moderate in size, yellow. Legs brownish yellow. 

 Wings clear. Auxiliary vein continued nearly as far as the 

 bifurcation of the 2nd vein ; the latter originating at some distance 

 •before the middle of the wing, the praefurca being mucli longer 

 than the remaining portion ; marginal cross-vein indistinct, opposite 

 .anterior cross-vein ; basal part of 3rd vein about equal to anterior 

 cross-vein ; discal cell twice as long as broad, equal in length to 

 the 2nd posterior cell : 3rd posterior cell triangular ; posterior 

 cross-vein in a line with the base of the discal cell. Stigma 

 •distiuct, pale blackish, indistinctly outhned ; the 1st, 5th, and 7th 

 ■veins somewhat pronounced. Halteres yellowish. 



Length 3 millim. 



Described from one specimen from Barogh, in the Simla hills, 

 5000 ft., taken by Dr. Annandale, 10. v. 10, at the edge of a 

 small stream. 



T'ijp)^ in the Indian Museum. 



Genus CERATOSTEPHANUS, Bnm. 

 Ccmtostephanus , Bnuietti, llec. Ind. Mus. vi, p. 271 (1911). 



Genotype, Ceratostephanus antennatus, Bruu. ; by present 

 'designation. 



General appearance and structure identical with those of 

 Limnobia, Mg., and Dicranomgia, Steph. Venation as in Limnobia, 

 •except that the auxiliary vein, ending a little beyond the middle 

 of the wing, is almost exactly opposite the origin of the 2nd 

 longitudinal vein, with the subcostal cross-vein at its tip. 



Eyes closely touching on the upperside for the whole distance 

 from the vertex, also contiguous on the underside. Proboscis of 



