( HI ) 



striae; a black costal spot near luiclcllc toncliing the large black cell-spot; a 

 broad marginal black border enclosing a white spot from vein 4 to below 3 ; fringe 

 white at ajicx and below middle, blackish from 4 to T. Hiiulwing with narrower 

 black border from apex to vein 4, continned to anal angle as a sub-marginal shade. 



Face and palpi dark fuscons above, whitish below ; vertex white, with a 

 black spot in middle ; shoulders and patagia white, with the apical half fuscous ; 

 the tips of the patagia chestnnt-lirown ; thorax mixed light and dark ; abdomen 

 white, the basal segment witii two black spots, the second with a broad l)hwk 

 ring ; anal tufts ochreous, with a blackish fleck at base on dorsum ; abdomen 

 beneath white ; legs broken. 



Expanse of wings : 4I> ram. 



1 d from Salampioiii, Bolivia, bW m., August I'.IOI, dry season (Simons). 



Quite distinct from validana Guen., with which at first sight it miglit be 

 confused. 



Iridopsis schistacea spec. nov. 



Forewi/iff : slaty grey, minutely black-speckled ; costa with tine black striae ; 

 lines fine, black ; first at one-fourth of costa, slightly bent in cell, then vertical, 

 preceded by a chestnut brown shade, edged inwardly with darker ; outer line 

 from three-fourths of costa, irregularly crenulate, angled below vein 0, then 

 obliquely waved inwards, followed by a chestnnt shade ; snbmarginal line very 

 faintly marked, preceded by a biangulate black blotch between veins 4 and 6; cell-sjKjt 

 large, ocelloid, edged with black, with traces of a fine irregularly crenulate median 

 line, also double, curved round it, and ajiproximated to, or touching, outer line on 

 inner margin ; marginal spots round, black ; fringe concolorons. 



ITindiciny : with a straight black antemedian line, followed by a chestnnt 

 shade ; outer line angled acutely below vein 6, followed by a chestnut shade : 

 cell-spot ocelloid ; marginal black spots connected by a fine marginal festoon. 



Underside of the c? paler, of the ¥ darker, more sjieckled ; large dark 

 cell-spots in both wings ; forewing with upper jiart of outer Hue and a subajiical 

 dark cloud. 



Head, thorax, and abdomen concolorons. 



Expanse of wings : 38 — 4(1 mm. 



7 cJc?, 1 ?, from Santo Domingo, Carabaya, S.E. Peru, 0000 ft, November 

 1901, wet season (Ockenden). 



The single ? is darker than any of the S6. 



Melanoscia gen, nov. 



Forewing : costa straight, curved slightly at base and apex ; apex somewhat 

 produced ; hindmargin oblique, slightly curved ; inner margin convex. 



Hiiulwiwj : narrow ; hindmargin curved, faintly bent at vein 4. 



Antennae of 6 and ? bipectinate ; palpi stout, slightly upcnrved ; tongue and 

 frenulum present ; hindtibiae large, with pencil of hairs and four spurs ; forewing 

 with a foveal space below median vein, covered below by a plate of pale scales. 



Neuration : forewing, cell longer than half of wing ; iliscocellidar vertically 

 concave ; first median at one-half, second at five-sixths ; railials normal ; 7, S 

 stalked from before end of cell; 9, in, 11 stalked, 9 anastomosing with 8: 

 hindwing, with 3 and 7 both before angles of cell. 



Type : Melanoscia J'elinu spec. nov. 



