464 E. OSTEN SACKEN 



along the posterior margin nearly as far as the tip of the sixth 

 vein, where the brown becomes much fainter ; an oblique brown 

 crossband begins at the end of the first vein, runs over the 

 oblique anterior crossvein and ends in coalescing with the 

 brown of the posterior margin ; thus , between crossband and 

 the brown apex , an oblique hyaline crossband is formed , 

 which does not reach the fourth vein ; the base of the wing is 

 nearly hyaline about as far as the proximal end of the submar- 

 ginai cell ; the interval between this and the brown oblique 

 crossband has a brownish-yellow tinge. 



Hah. Mt. Singalang, Sumatra, July 1878 (Beccari). 



NB. I refer this species to the genus Xiria Walk. J. Pr. Lin. 

 Soc. I, 36, Tab. II, f. 2. Xiria antici Wk. (Mt. Ophir) resem- 

 bles X obliqua in the sculpture and coloring of the body, and 

 differs principally in the coloration of the wings , the brown 

 stripe not running obliquely and not being connected with the 

 apical spot. A third species of the same genus seems to be the 

 Trypela violacea Wied. Auss. Zw. II , 476 (Java), which also 

 has the same coloring of the body , but again differs in the 

 shape of the brown spots on tlie wings. The three species have 

 the same coloring of the legs, except that X. obliqua has the 

 front tarsi black. 



I will now enumerate some characters of the genus , in ad- 

 dition to those which are visible on M."" Westwood's figures of 

 X. anlica. 



Xiria lias the auxiliary vein closely approximated to the first 

 longitudinal vein, with a very obsolete connection between its 

 end and the costa ; in this respect it resembles Trypela. But I 

 do not perceive the row of bristles on the front, near the orbit, 

 characteristic of Trypela. Tliere arc two large bristles on the 

 vertex, one each side, near the upper corner of the eye, and a 

 similar pair a little lower on the front ; a very weak pair of 

 erect bristles is perceptible near' the ocelli , one on each side ; 

 {X. antica is eitlier different in this respect, or the figure 2h, 

 in Walker , 1. c, has too many bristles). Tlie front between 



