( 557 ) 



Ilindwing : semi-transparent white ; the veins and a broad marginal border 

 smoky grey ; fringe whitish. 



Underside of forewing dirty whitish with the dark markings of upperside 

 showing through ; of hindwing like ujiperside. 



Head, shoulders, and base of patagia moss-green ; apical half of patagia, 

 thorax and basal segments of abdomen white ; rest of abdomen smoky grey. 



Expanse of wings : 44 mm. 



1 <S from Santo Domingo, Carabaya, S.E. Pern, 6000 ft., Ajiril 1902, end of 

 the wet season (Ockenden). 



The hiudmargin of both wings is smooth, not crennlate, and cannot therefore 

 be confounded with /. xijlinata Guen. 



141. Ischnopteris discolor spec. nov. 



Foreiving : a mixture of dull sage-green and luteons, thickly striated with 

 dark ; lines as in viruli/ascia described below ; the whole of the basal patch 

 dnll green, with a spot of white scales above the base of vein 1 ; beyond the outer 

 line, which is simply curved, not angled outwards on vein 1, instead of the briglit 

 green defined band of viridifascia there is a dull green diffuse shade ; submarginal 

 line Inteous, not green, and above inner margin white beyond a dark brown blotch 

 which is preceded by a patch of pale green and whitish scales intermixed ; fringe 

 dull green and luteons. 



Ilindimruj : wholly dull fuscous, the fringe rufous yellow. 



Underside of forewing dnll cinereous; the costa and hiudmargin Inteous, the 

 apex broadly paler ; an indistinct dark middle shade and large submarginal black 

 cloud ; hindwing luteons, speckled with black, with an obscure straight antemedian 

 and curved postmedian line, and diffuse submarginal shade. 



Head, thorax, and dorsum olive-green ; abdomen at sides and beneath pinkish 

 ochreous ; legs dark green with the joints pinkish ochreous. 



Expanse of wings : 42 mm. 



1 ? from Santo Domingo, Carabaya, S.E. Pern, 6500 ft., October 1902, dry 

 season (Ockenden). 



Much smaller and less brightly coloured than viridifascia. 



142. Ischnopteris festiva spec. nov. 



Forewing : deep brown with darker speckling ; costa with pinkish spots ; the 

 lines paler, fine and obscure ; first from about one-sixth of costa, straight and 

 oblique, to two-fifths of inner margin, preceded by a band sprinkled with whitish 

 scales ; outer line from three-fifths of costa, oblique outwards to middle, there 

 bluntly angled, and oblique inwards to three-fifths of inner margin, followed by 

 a short band of white scales, reaching from inner margin to vein 2 ; submarginal 

 line represented by white i^oints on veins, and a waved white line above inner 

 margin, preceded by a square black blotch; there is also another black blotch in 

 the submedian interspace a little beyond the first line ; cell-spot blackish, obscured ; 

 fringe concolorous , with pinkish mottlings. 



Ilindwing : fuscous black, with the apical area from three-fifths of costa to 

 below middle of hiudmargin orange, the extreme apex narrowly fuscous ; fringe 

 orange to below middle, then fuscous. 



Underside blurred cinereous in forewing, with some paler patches of ochreous 

 towards hiudmargin ; costa flecked with dull reddish ; hindwing with two darker 



