( ■'570 ) 



with a fow olive clonils. The hindwinj;, which in tiip type is morn or less yellowish, 

 is also oehreous, but of a deeper tone than in the forewing. 



On the iniderside the contrast of colours is equally marked, the dark outer 

 portions of both wings being of a rich deep golden brown. 



The thorax and patagia are dark purplisli grey like the basal snfTusinn of fore- 

 wing, the abdomen agreeing in coloration with the hindwing. 



1 d from t'hanchamayo, Peru (Schuuke). 



161. Pero externata spec nov. 



Fon'iriiaj : dark greyish fawn-colour, a broad pale ochreous costal binlch 

 lying lietwecn tiie two lines, and the central fascia tlironghont in its outer half 

 tinged with oehreous ; tlie two lines dark brown, botli nearer than usual to 

 hindmargin ; the first oblii|ue outwards from just before middle of costa, nearly 

 touching the small white hyaline cell-sjiot, reaching inner margin just before middle, 

 the projection below the median vein slight, preceded by a deeper grey tinge; onter 

 line from five-sixths of costa to three-fourths of inner margin, slightly incurved 

 between vein 5 and the submedian fold, forming there outward lunules between the 

 veins and teeth pointing inwards ui)on them ; indistinct traces of a dark line 

 hcyiind and parallel to it ; a dark ajiical streak, and black submarginal dots. 



Ilii!<l'iiiiy : dark gre_\ish fiiwn, with an oehreous anal tinge and two dark lines 

 from inner margin, that close above anal angle running across wing to costa before 

 apex, the upper one soon lost in the grey of the wing. 



Underside paler grey, the outer line in both wings distinct, lilackish lirown, 

 and marked more plainly liy dark vein-spots ; the pale oclireous costal blotch of 

 forewing shown; hindwing with an ocelloid cell-spot. 



Head, thorax, and abdomen grey ; the face and shoulders paler, more oehreous. 



Expanse of wings : 27 mm. 



1 c? from Castro, Parana (E. i). Jones). 



Forewing toothed at veins 3 and 6 ; antennae of S sim}ily lamellate. 



The species may be distinguished from miitiinu Butler by the more exterior 

 position of the two lines of forewing. 



102. Pero ravida sjiec. nov. 



Foreiviiiy : flesli-coloured grey dusted with darker ; but the whole basal 

 two-tliirds of wing as far as outer line filled up with dark velvetv purplish 

 brown, except the costal region, whicli remains of the ground-colonr, but with a 

 strong purplish suffusion ; lines black ; first from hardly one-fourth of costa, 

 forming the usual blunt jirojection above median vein, then obli(|ue inwards 

 forming a sligiit curve, and obsolete below submedian vein ; outer line from two- 

 thirds of costa to two-thirds of inner margin forming two slight outward curves 

 on the two folds with an equally slight sinus between them ; the dark grey striae 

 ibrni a sort of band beyond tlie line and a broad shade along outer margin from 

 apex to middle, with a few <lark patches on veins in the paler space between 

 the two shades; cell-spot linear, vertical, hyaline white; fringe dark grey above, 

 jiinkish grey towards anal angle : a single submarginal dark dot between veins 2 

 and '■^. 



lliiiiliriiKj : iiinkish grey, darker iVom liase to onter line, whicli is i)ale witli 

 a dark inner edge ; fringe pinkish grey with paler basal line. 



