(2 ) 



Uiulersiile white, suffused with fuscous in forewing, except the costal streak 

 and inner-marginal area, speckled with fuscous in hindwing along costa only, with 

 a dark bar from costa before middle, and the outer line marked by dark spots 

 at and below costa and on each fold ; the cell-spot large and dark in both wings. 



Head and thorax whitish, mixed and lined with olivc-fuscons, the abdomen 

 grey ; paljii extenuilly with second segment black, its tip and the third segment 

 pale grey ; tarsi spotted black and white. 



Expanse of wings : 40 mm. 



2 (?<J, 2 ? ? from the Khasia Hills (types), the SS taken in February and 

 May 1896, the ? ? in October and November 189.3 ; 1 cJ from Darjiling 

 (F.'Moller); 1 cJ Sikkim, April 1888 (Col. Pilcher). 



3. Thalatha argentea spec. nov. 



Forewing: silvery white; the narrow basal patch, reaching from margin to 

 margin, a truncated conical patch on costa before middle, a triangular patch on 

 inner margin at middle, and a diffusely edged smaller patch on costa before apex, 

 black ; a slight brown smudge on termeu between veins 3 and 5 ; a few 

 scattered black scales above anal angle ; fringe mottled black and white. 



Hindwing: dark fuscous grey, paler towards base and inner margin, darkest 

 apically ; fringe dark, paler at anal angle. 



Underside glossy iron-grey in ibrewing ; the costa sprinkled with white scales, 

 and with a small white spot at three-fourths and a white streak just before apex ; 

 fringe with white chequering along base ; hindwing whitish, with the central area 

 and apex bronzy grey speckled with white ; a dark cell-spot and outer line. 



Palpi black, with the tips of second and third segments white ; head and 

 shoulders, and the metathoracic tuft white, the shoulders tijiped with rufous ; 

 thorax black ; abdomen fuscous grey ; pectus, legs, and venter black ; the legs 

 dotted with white. 



Expanse of wings : 24 mm. 



2 JcJ from British New Guinea, from Welsch River (type) and Area River 

 respectively (Weiske). 



Subfamily MOMINAE. 



4. Trisuloides pygaria spec. uov. 



Forewing : fuscous grey, with darker fuscous suffusion in parts ; the oval space 

 before outer line from subcostal vein to vein 3, the filling up of outer line itself, and 

 the subterminal line below vein 5 whitish ; inner line blackish, inwardly pale- 

 edged, waved and oblique outwards; median shade thick, strongly developed, 

 oblique outwards to below vein 3, then oblique inwards ; orbicular stigma round, 

 filled up with brown ; reniform a narrow grey lunule witli pale edging ; inner arm 

 of outer line dark grey ; outer arm fine, but swollen into a brownish blotch on 

 submedian interval ; subterminal line from costa to vein 5 thick and black ; 

 terminal lunules brown edged with white; fringe yellowish at base, grey at tips. 



Hiniltcing : yellow ; a fuscous terminal border, of even width from costa to 

 vein 3, the inner edge only continued to anal angle ; the fuscous terminal lunules 

 broadly edged with pale yellow ; fringe mottled yellow and fuscous. 



Underside yellow ; the forewing with the costal streak, a large blotch on 

 discocellular, and the rest of wing to subterminal line, except along inner margin, 



