86 p. CAMERON, OX SOMK NEW GENERA AND SPECIES OF 



rounded at the base, on the apex of the l^t abdominal segment, 

 a broader one, of equal width, on the 2"<^1 and 3"l, and the 

 whole of the penultimate, pale yellow. Four front legs pale 

 yellow, slightly tinged with fulvous, the middle tarsi black ; 

 more than the basal half of hind coxie and of the tarsi rufous, 

 the rest of them black, as are also the trochanters ; the tibii« 

 and tarsi yellow ; the base of the tibia.' narrowly, the apex 

 from shortly beyond the middle and the base of the tarsi 

 narrowly, black. Wings hyaline, the stigma and nervures black ; 

 the areolet small, square. cT. 



Length 11 m.m. 



Sikkim . 



Smooth, shining, the face obscurely striated above; the front 

 below with some curved stria}. Pro- and mesotnorax smooth, 

 the lower half of the propleurœ strongly striated ; the basal 

 half of the mesopleurae more obscurely, weakly, irregularly 

 striated, the stria3 becoming gradually weaker ; the meta- 

 pleune opaque, strongly, irregularly, obliquely striated. Near 

 the apex of the mesouotum is a squarish depression closely 

 finely striated-reticulated. Base of metanotum smooth, with 2 

 short keels in the middle near the transverse one ; the part 

 behind that closely, somewhat strongly, reticulated. Abdomen 

 smooth, the 2"^ and 3''^ segaients aciculated. Middle of antennae 

 broadly annulated with white. 



Mesostenus j^ugnafus sp. nov. 



Black, the face, clypeus, mandibles, except the teeth, the 

 orbits somewhat broadly, except the outer at the top, a line 

 on the sides of pronotiim, the 2 not uniting at the base, 

 tubercles, a mark rounded above, on apex of mesopleurae, gra- 

 dually narrowed below, scutellum, a mark on the base of 

 metanotum, where it is narrow, extending on to the pleurae, 

 where it becomes gradually widened below ; the sides and top 



