590 JOURNAL, BOMBA Y NATURAL HISTORY SOCIETY, Vol. XVI, 



Tribonica eremith, n. sp. 



ft 9- 17-24 mm. Head white, crown in $ sprinkled with fuscous. Palpi 

 in ft 3, in $ 4, white, externally suffused with pale ochreous and densely 

 irrorated with blackish-fuscous. Thorax whitish, shoulders infuscated, in 9 

 more or less irrorated with fuscous. Abdomen shining whitish. Forewings 

 elongate, narrow, costa gently arched, apex round-pointed, termen straight, 

 oblique, rounded beneath ; whitish, in ft slightly, in $ more strongly strewn 

 with fuscous, grey, and blackish scales ; a small brownish-tinged basal patch, 

 edged by a nearly straight ridge of raised scales mixed with dark fuscous ante- 

 riorly from §• of costa to jt of dorsum ; two white tufts above and below mid- 

 dle at ^, edged anteriorly with dark fuscous ; a transverse ridge of white scales 

 in disc at §, anteriorly dark fuscous, and preceded by a patch of more or less 

 dark suffusion ; and ill-defined fuscous subterminal shade, more distinct in 9 ; 

 cilia fuscous whitish, basal half faintly darker-barred. Hind wings and cilia 

 ochre us-grey-whitish . 

 Seven specimens, Maskeliya, Ceylon, in March (Pole). 

 Trymalith, n. g. 



Anrennse in ft simple. Palpi moderate, subascending. Thorax smooth. 

 Anterior femora in ft with expansible hair pencil from base ; middle and 

 posterior tibas clothed with long fine hair above. Forewiugs without costal 

 fold in ft ; 2 from posterior fourth of cell, 3 and 5 approximated at base, 4 

 absent, 7 to apex, 8 and 9 stalked, 10 closely approximated to 8. Hindwings 

 with 2 remote from angle, 3 and 4 short-stalked from angle, 5 slighlty approxi- 

 mated to 4, 6 and 7 long-stalked ; lower margin of cell without basal pecten 

 of hairs. 



Probably belonging to the group of Commophila, but very distinct by the 

 neuration of forewings. 



Trymalith margarias, n. sp. 



ft. 17-20 mm. Head whitish mixed with ferruginous. Palpi white, second 

 joint dark fuscous above. Thorax white, spotted with grey. Abdomen 

 yellowish-grey. Forewings elongate, posteriorly dilated, costa slightly arched, 

 apex rouud pointed, termen sinuate beneath apex, rounded, oblique ; whitish 

 with rows of undefined fuscous strigulsj or roundish spots between veins, 

 becoming obsolete towards middle of disc ; costa and dorsum shortly strigulated 

 with dark fuscous ; a dark fuscous discal dot above middle ; a rather 

 broad fuscous fascia at f parallel to termen, marked with darker ; an 

 orange apical spot, enclosing a white crescentic mark ; a praeterminal series of 

 dark fuscous strigulae in fuscous spots ; cilia white, with an orange basal 

 spot at apex, and three or four faint fuscous bars on outer half round 

 apex. Hindwings grey, paler or whitish towards base, veins streaked with 

 ochreoua-fuscous, apex white ; cilia white, sometimes with a grey basal spot at 

 apex. 



Two specimens, Kandy and Puttalam, Ceylon, in October and November 

 (Green). 



