GIOI.ECHIADjE, 121 



reflections; markings white; a narrow inwardly oblique fascia at -| ; 

 a sulitriangular spot in disc at f^ ; a spot crossing wing near apex : 

 cilia grey. Hindwings and cilia grey. 



Assam, Khasis, March, October ; lour specimens. 



Thyrsostoma macrodelta, n. sp. 



c?. 10-11 mm. Head, thorax pearly-while. Palpi whitisli, 

 second joint with very long expansible tuft of whitish hairs pro- 

 jecting from furrow beneath, terminal longer than second, much 

 thickened with appressed scales, liardly pointed, tip dark grey. 

 Antennte basal joint much elongate and thickened, second joint 

 elongate, more than half basal, ciliations i|. Abdomen whitish. 

 Forewings very narrow, widest near base, thence pointed to acute 

 ai)ex ; dark fuscous, faintly violet-tinged ; an inwardly-oblique 

 white fascia at |, rather broad on costa and narrowed downwards, 

 sometimes extended as a slender streak on dorsum to near base; an 

 elongate-triangular white blotch in disc beyond middle, upper edge 

 almost reaching costa througliout ; a small cloudy pale fuscous or 

 whitish spot near apex : cilia grey. Hindwings rather dark grey; 

 cilia grey. 



Assam, Khasis, March, November; three specimens. 



Thyrsostoma chelophora, n. sp. 



J . 12-13 mm. Head, thorax whitish, shoulders grey. Palpi 

 extremely long, whitish, basal joint fuscous, second long, with very 

 long expansible tuft (jf whitish hairs concealed in a fine furrow 

 beneath and projecting beyond apex, terminal joint nearly twice 

 second, strongly curvcMJ laterally inwards, much thickened with 

 appressed scales, hardly pointed, suftused grey. Antenna? basal 

 joint much elongate, rather thickened, ciliations 2. Abdomen grey. 

 Forewings very narrow, slightly narrowed posteriorly, short- 

 pointed, obtuse; beneath with fringe of rough hairs directed 

 downwards from costa on basal | ; rather dark fuscous ; markings 

 cloudy, whitish; an obscure narrow fascia near base; a narrow 

 rather inwards-oblique fascia at ^ ; two spots almost forming a 

 similar less oblique fascia at | ; a mark just before apex : cilia grey. 

 Hindwings and cilia grey. 



Assam, Margherita; two specimens. 



Thyrsostoma fissilis, n. sp. 



J . 8 mm. Head, thorax pearly-white. Palpi white, second 

 joint with very long expansible tuft of white hairs projecting from 

 furrow beneath, terminal joint slender, pointed. Antennie basal 

 joint much elongate, thickened, second joint elongate, scaled, about 

 half basal, ciliations 2. Abdomen white, grey dorsally towards 

 base. Forewings very narrow, widest near base, thence narrowed 

 to pointed apex; gi'ey ; markings white; a narrow innardly 

 oblique fascia at -g- : two transversely placed connected triangular 



