( 470 ) 



blnish grey, containing an obscure darker band of blotches immediately beyond the 

 onter line, and a broad sliade, with Innnlate edge, before the submarginal, which is 

 pale ; fringe grey, with large black marginal spots at base. 



Hindwings : like forewings ; bnt the basal area thickly dnsted with black 

 scales. 



Underside dull grey, with broad smoky black marginal fasciae to cacli wing ; 

 cell-spots black. Palpi white, externally brown ; face brown, with a white bar 

 above and below ; vertex white ; thorax and abdomen wliitish, grey-speckled. 



E.xpanse of wings : <?, 26; ?, 28— 34 mm. 



A cJ from the interior of Surinam, September 1892 (C. W. Ellacombe); two ? ? 

 from Rio Demerara, British Guiana. 



157. Physocleora pusilla sp. nov. 



Forewings : whitish grey, slightly dusted with darker ; costa with fine blackish 

 striae and black spots at the commencement of the lines ; these are all curved, dark 

 grey, and slightly marked with blackish on the veins ; the median line almost 

 touching the small black cell-spot, which it passes outside ; outer line obscnrely 

 double and angled on the snbmedian fold : marginal space tilled up with dark grey; 

 marginal spots blackish ; fringe grey. 



Ilimhcings : with dark grey antemedian line, sinuous partially double post- 

 median line, and marginal area dark grey ; cell-spot black. 



Underside dull whitish ; the costa of forewings marked with blackish ; marginal 

 area dark grey, broader at costa ; basal half of wing tinged with grey ; hindwings 

 with black cell-spot and ape.x only of wing dark grey. Palpi white, dusted 

 externally with blackish : face black, with a white bar below and at toj) ; vertex 

 white ; thorax and abdomen wliite, with grey dusting. 



Expanse of wings : 18 mm. 



One S from Cucuta, Venezuela. 



The lower radial rises only slightly above the middle of the discoccllular. 



Psilopora gen. nov. 



Foreicings : with costa slightly sinuous, convex at base; apex rectangular; 

 hiudmargin elbowed at vein 4, very oblique below. 



Hindirings : with ape.x truncate, anal angle scjnare ; hindmargin irregular, 

 nearly straight from anal angle to a large tooth in middle, above which it is strongly 

 excavated and toothed. 



Abdomen of cJ elongated, extending beyond hindwings ; antennae in both sexes 

 thick, simple, lamellate ; face smooth ; palpi porrect, short ; hindtibiae thickened, 

 with fonr spurs. Forewings of <S without fovea. 



yeuration : forewings, cell half as long as wing; discocellular slightly concave; 

 first median at three-fourths, second at seven-eighths ; radials normal ; 7, 8, 9, 

 stalked from just before upper angle; 10 and 11 stalked. Hindwings with vein 7 

 from before end of cell ; medians as in forewings. 



Type : Psilopora thesea Schaus. 



Stenalcidia gen. nov. 



Forewings: elongate; costa faintly curved; apex prominent; hindmargin 

 obliquely curved, subcrenulate. 



Hindtcings : with hindmargin deeply crenulate. 



