398 Mr. W. L. Distant on llomoptora. 



narrowly sulcatej clypeus about as long as face, tricarliiatc ; 

 antennaj inserted beneath eyes, second joint moderately long 

 and incras?ate ; ])ronotnm sliort and strongly laterally eniar- 

 giiiate posteriorly, strongly centrally carinate ; mesonotiun 

 long, tiicarinatc. anteiiorly somewhat strongly narrowed ; 

 legs moderately long and slender, posterior tarsi with tbe 

 basal joint long and moderately thickened ; tegmina broadened 

 before middle, a little convexly narrowed to apex, which is 

 truncate, costal area with five transverse veins, upper apical 

 area with four large cells^ radial area with a transverse vein 

 near middle, and a bioken series of discal transverse veins in 

 longitudinal sequence; wings narrow, less tlian half the 

 lenutli of tegmina, a transverse vein before middle. 



Allied to Pamemiavga, Dist., but differing by the narrow 

 face, longer clypeus, different shape of the mesonotum, &c. 



Type, xi. deciaaj Dist. 



Arfaha deci'sa, sp. n. 

 ilccisa, Wallier, MS. 



Body and legs stramineous ; veitex of head, pronotum, 

 and carinations and jjosterior nnirgin to mesonotum, greyish 

 white; on each side of pronotum, behind eyes, a testaceous 

 s[)ot ; eyes brownish testaceous ; apices of the tar.-i black ; 

 tegmina and wings pale hyaline, with the venation prominent 

 and black. 



Long., excl. tegm., 4 mm.; exp. tegm. 16 ram. 



Ifah. New Guinea {Wallnce, Brit. Mus.). 



A specimen of this sj)eci( s in the British Museum is labelled 

 d(Cisa in Walker's handwriting, but I cannot trace any 

 j)ublication of a description. 



SiKAIANA, gen. nov. 



Head (including eyes) very much narrower than pronotum ; 

 vertex narrow, triangular, widened posteriorly, its apex a, 

 little |)rominent; face extremely narrow and linear, appearing 

 as a line only between the eyes ; clypeus about half the length 

 of face, centrally and laterally carinate; antennaj inserted 

 beneath eyes, very robust, second joint longer than third ; 

 jnonotum short, very broadly transverse, very strongly 

 centrally carinate; mesonotum tricarinate ; legs moderately 

 long and slender; tegmina broadened towards middle, a little 

 convexly narrowed to ajjex which is rounded, costal membrane 

 with some indistinct transverse \eins, radial area short, dis- 

 coidal areas lourj apical areas six, a series of transverse veins 



