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Jr^ Journ., Bom. Nat. Hist. Roc , Vol. XVJII., No. 2. [April 13, 1908. 



acutely pointed, in ^ with expansible hair pencil from base lying beneath costa ; 

 6 separate, 9 out of 7 ; ochreous-whitish, markings dark slaty-grey ; a slender 

 basal fascia, sometimes interrupted ; two irregular zigzag sometimes interrupted 

 lines from costa at ^ and I, confluent towards dorsum ; inwardly oblique fasciaD 

 at middle and f , first narrow, second broader, sometimes not reaching dorsum 

 often connected by a line in disc ; a small spot or bar just before apex : cilia 

 grey. Hindwings I, cilia 6 ; light grey, darker in $ , thinly scaled towards base, 

 cilia grey. 

 Khasi Hills, from August to December and in March ; thirty specimens. 

 Thiotrieha grammitis, n. sp. 



•f^_ 10 — 11mm. Head, palpi and antennfe ochreous-white. Thorax and 

 abdomen ochreous-whitish, Forewings elongate, very narrow, apex strongly pro- 

 duced, acute, termen oblique ; 6 separate, 9 out of 7 ; pale whitish-ochreous ; an 

 elongate black dot beneath costa near base ; sometimes a dark fuscous dot 

 beneath costa at f ; a short inwardly oblique blackish mark from costa at | ; 

 disc and dorsum obscurely streaked with fuscous suffusion ; a dark fuscous 

 dot above dorsum at ^ and an oblique dark fuscous mark from dorsum at |, 

 both sometimes almost obsolete ; four longitudinal dark fuscous lines on pos- 

 terior half of wing, first and third converging to near apex, second terminating 

 at f , fourth running to tornus, between third and fourth an acutely inwards 

 angulated line running from termen to § and back to termen ; a silvery spot 

 on termen beneath apex : cilia pale whitish-ochreous, on costa with a blackish 

 basal line, at apex with two dark grey bars beyond middle, on termen with basal 

 half ochreous-yellowish edged externally wdth a thick violet-silvery-metallic mark. 

 Hmdwings |, cilia 3 ; grey, thinly scaled towards base ; cilia pale greyish. 

 Khasi Hills, in December and March ; three specimens, 

 Thiotrieha scotaea, n, sp. 



$.13mm. Head and thorax bronzy-fuscous, face pale shining grey. Palpi 

 grey-whitish. Antennae grey. Abdomen bronzy-grey, Forewings elongate, 

 very narrow, apex round-pointed, termen extremely obliquely rounded ; 6 

 separate, 9 out of 7 ; rather dark purplish-fuscous ; an oblique fuscous-whitish 

 mark towards apex ; two minute whitish dots on costa near apex ; a blackish 

 apical dot, edged posteriorly with a few whitish scales : cilia pale fuscous, on 

 costa with a dark fuscous shade, Hindwings |, cilia 3 ; rather dark grey, thinly 

 scaled in disc ; cilia grey, at apex with a dark grey postmodian line. 

 Maskellya, Ceylon, in June ; one specimen (Pole). 

 Thiotrieha rhodopa, n, sp. 



^. 11 mm. Head, palpi and antennge ochreous-whitish, anterior edge of 

 terminal joint of palpi finely dark fuscous. Thorax and abdomen whitish- 

 ochreous. Forewings elongate, very narrow, gradually narrowed from near base, 

 apex pointed, termen sinuate, very oblique ; 6 and 9 apparently separate ; 

 whitish-ochreous ; base of costa slenderly blackish ; a dark fuscous streak 

 at first thick but rapidly attenuated rising from dorsum near base and 

 running in a curve near costa to disc at § and a similar less curved streak 

 from middle of dorsum, posteriorly coincident with first ; between and beyond 

 [6] 



