INDIAN MIGRO-LEPIDOPTERA. 441 



mark on iotnus, and dot on costa opposite ; a snow-white dot before apex, 

 partially edged with blackish, and a whitish dot on termen beneath it : cilia 

 greyish-ochreous, round apex with two blackish lines separated with whitish. 

 Hindwings f, cilia 3 ; light grey, thinly scaled anteriorly ; a blackish apical dot ; 

 cilia greyish-ochreous, at apex with a black postmedian bar preceded by whitish 

 suffusion. 



Palni Hills ; two specimens (Campbell). 



ThiotriGha galactaa, n. sp. 



#$. 13 — 15 mm. Head, palpi, antennae, and thorax ochreous-whitish : 

 anterior edge of terminal joint of palpi blackish. Forewings elongate, very 

 narrow, parallel-sided, apex round-pointed, termen somewhat sinuate, very 

 oblique ; 6 out of 7, 9 separate ; ochreous-whitish ; two elongate blackish dots 

 obliquely placed towards dorsum about \ ; a very oblique blackish median 

 streak reaching from near dorsum to above middle ; a blackish longitudinal mark 

 above dorsum towards tornus ; posterior fourth of costa and termen more or less 

 suffused with dark fuscous ; a short oblique whitish streak from costa at a, and 

 a whitish streak almost along termen ; a white dot before apex, partially edged 

 with black : cilia ochreous-whitish round apex, with two blackish lines. Hind- 

 wings i, cilia 3 ; pale grey, thinly scaled ; a dark grey dot at apex ; cilia pale 

 whitish-ochreous, at apex with a black postmedian bar. 



Palni Hills (6,000 feet) ; three specimens (Campbell). 



Thiotricha hoplomacha, n. sp. 



$. 15 mm. Head, palpi, antennas, thorax, and abdomen pale whitish- 

 ochreous ; second joint of palpi with a lateral fuscous stripe, anterior edge of 

 terminal joint dark fuscous. Forewings elongate, very narrow, pointed ; 6 out 

 of 7, 9 separate ; whitish-ochreous, markings blackish-fuscous ; a thick streak 

 along costa from base, attenuated and becoming subcostal towards middle, 

 continued to apex ; a very oblique streak from costa about f , running into this ; 

 a very oblique curved wedge-shaped streak from dorsum towards base, not 

 crossing fold ; a thick oblique streak from dorsum about middle, running into 

 subcostal streak, dilated on dorsum ; a streak from tornus before termen to 

 apex, finely attenuated upwards ; a blackish pale-edged apical dot: cilia whitish- 

 ochreous, on costa pale ochreous with blackish-fuscous basal streak, round apex 

 with median and apical fuscous lines. Hindwings \, cilia 2\ , pale whitish- 

 grey ; cilia whitish-ochreous, at apex with dark grey subapical line. 



Khasi Hills, in September ; one specimen. 



Thiotricha pylartis, n. sp. 



$$. 11 — 13 mm. Head and palpi shining white, anterior edge of terminal 

 joint of palpi blackish. Antennae white. Thorax whitish. Abdomen ochreous- 

 whitish. Forewings elongate, very narrow, gradually attenuated from near base, 

 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 

 basil fascia, sometimes interrupted ; two irregular zigzag sometimes interrupted 

 lines from costa at £ and $, confluent towards dorsum ; inwardly oblique fasciae 



