164 Mr. W. Warren on new 



Ilaliotigris cometa, sp. n. 



Fore wings wliite, iridescent ; a velvety black basal line 

 prolonged along inner margin ; a black inner line at one 

 sixth, oblique and straight to below median vein, then angled ; 

 outer line thick, velvety black, at three fourths, attenuated 

 below middle, running in shortly to beneath the discal spot, 

 then, oblique and angled basewards, to inner margin at two 

 thirds ; two large discal spots, subquadrate, erect, not reaching 

 costa, filled up with dull fulvous, the outer one edged with 

 darker ; central area below median filled up with fulvous and 

 grey scales ; a blackish spot above inner margin beyond first 

 line, edged with pale tawny and followed by two blackish 

 streaks ; the fulvous suffusion of median area extends beyond 

 the outer line as far as its elbow ; veins beyond outer line 

 finely black ; the apical two thirds of the marginal space 

 steel-blue, iridescent, white close to outer line and yellowish 

 along costa ; fringe steel-blue for two thirds, then white. 

 Hind wings wliite ; an irregular velvety-black fascia close to 

 base ; a curved dark grey wispy shade from the discal spot 

 to middle of hind margin with the veins within it blackish ; 

 an oblique grey shade towards apex also with the veins in it 

 blackish ; anal angle with the veins slightly tinged with 

 grey ; fringe white. Head, face, thorax, and patagia yellow- 

 fulvous ; middle of thorax black ; abdomen white, its basal 

 segment broadly velvety black ; a fine dark dorsal line and 

 thicker lateral lines. Underside white, with all the veins and 

 markings black ; the two cell-spots of fore wings also black ; 

 a tuft of fulvous yellow hairs from base of fore wings. 



Expanse of wings 50 raillim. 



Two males from the Khasias. 



A remarkably beautiful insect. 



Margarochkoma, gen. nov. 



Fore wings with costa faintly sinuous, slightly incurved in 

 middle and convex on either side, strongly at apex ; apex 

 produced, blunt ; hind margin strongly oblique, hardly curved. 

 Hind wings triangular, the hind margin hardly curved, the 

 apex prominent, the anal angle rounded oflf. Abdomen of 

 male with rather large anal tuft; antennae pubescent, with 

 fine short ciliations ; labial palpi long, porrect, decumbent, 

 second joint roughly haired, especially above, third joint 

 acute, nearly as long as second ; tongue present ; maxillary 

 palpi absent ; ocelli invisible : forehead strongly produced 

 below. Neuration : fore wings, cell half the length of wing ; 



