( 10-' ) 



waved snbmarginal line, wliioh is not visilile aliovc uiiddlo of winf^ ; some dark 

 margiual liuiules before the gre}' fringe. 



Hind winy : greenish white, without markings except ou inner margin lielow 

 the median and vein 3, the band above anal angle being prominently dark. 



Underside of forewing dnll grey ; the onter line pale ; the marginal area 

 darker ; liindwing whitish green, crossed by six waved grey lines, of which the 

 onterraost is dark before anal angle ; cell-spot black. 



Head, thorax, and abdomen fnscons. 



Expanse of wings : 18 mm. 



1 <3. 



Spectrobasis gen. nov. 



ForeiciMi : costa straight, but with a fiiint shoulder at base fringed with hair, 

 and curving before apex, which is blunt ; hindmargin simply curved. 



Iliiidwinji : with hindmargin well rounded ; both angles rounded. 



Antennae of S bipectinate to near apex ; of ? simple, tlie segments angulate ; 

 palpi rostriform, porrect, rough-haired, the terminal segment smooth, decumbent ; 

 tongue slight ; frenulum present ; hindtibiae with four spurs. 



yeuratioii : forewing, cell about half of wing; discocellular vertical ; all three 

 median nervnles rising close together; radials normal ; 7, 8, 9 stalked; In, 11 

 separate, 10 anastomosing with 11 and again with 8, 0, forming a double areole : 

 biiidwing, discocellular biangulate, the radial from tbc lower angulation ; 7, 8 

 anastomosing for three-fourths of cell ; (!, 7 stalked ; vein ~ from nearer base 

 than in forewing. 



In the (? the space between base of 7 and 8 contains an elongate hyaline fovea. 



Type : Spectrobasis nifa spec. nov. 



An endemic genus without any apparent close affinities. 



Iu3. Spectrobasis rufa spec. nov. 



Forewing: dark olive-grey ; with obscure darker cross-lines, visible chiefly on 

 costa, which at base is dull brick-red to median vein ; basal patch, central fascia, 

 and centre of band between them rather darker; the pale bands edging them pinkish 

 white on costa, with a darker central line ; the outer edge of central fascia from 

 just beyond middle of costa curved outwards below middle to two-thirds of inner 

 margin ; submarginal line wavy at costa only ; a dark cell-spot ; fringe dnll pink, 

 with dark olive-grey mottling. 



lUmJwintj : dark olive-grey, without markings ; fringe as in forewing. 



Underside of forewing blurred purjilish grey ; the costa and hindmargin 

 red-brown, the submarginal line showing white teeth below costa ; costa from base 

 more ocbreous in c? : hindwiug red-brown speckled with pale, with darker ante- 

 median and median reddish bands ; a waved submarginal line with red-brown 

 blotch above anal angle, and showing white spots between veins; in the S 

 the basal half is flesh-coloured ochreons speckled with brown ; a flesh-coloured 

 blotch on inner margin beyond middle band, and often a second towards costa ; 

 fringe reddish. 



Head parts reddish mixed with pale ; thorax and abdomen dark olive, the 

 dorsal segments often broadly pale. 



Expanse of wings : 20 mm. 



A long series, 



