( 549 ) 



speckling ; forewing witli costal streak at base, cell-spot, onter line, and fringe 

 dark olive-fnscous ; hindwing with marginal half beyond the dark transverse line 

 suffased with olive-fnscous. 



Palpi and basal half of patagia olive-fnscons ; head, thorax, apical half of 

 patagia, and abdomen pale oclireons ; all tlio legs fnscons. 



Expanse of wings : 45 mm. 



1 c?, 1 ?,from Santo Domingo, Carabaya, S.E. Pern, 0000 ft., March 1902, 

 wet season (Ockenden). 



In both wings tlie hindmargin is slightly elbowed at vein 4, the forewing being 

 also indented below apex. The s])ecies is related to -A', dis/iansa Warr. 



123. Nipteria sibylla spec. nov. 



Forewing: olive-black; a broad oblique white blotch from below costa at 

 two-fifths to vein 1 at three-fonrths, rounded below, its onter edge bluntly bent 

 at vein 3 ; the costa olive-grey across its upper end and the subcostal vein black 

 across it ; a smoky grey costal streak at two-thirds, broadened on the costal edge, 

 in one example with two whitish spots below it ; marginal space somewhat paler, 

 preceded by an obscurely pale zigzag line ; fringe olive-brown in basal half, whitish 

 in outer half, with thick black mottling beyond veins. 



Hindiciny: wholly dark, with cell-spot and postmedian line showing black 

 from the underside ; fringe as in forewing. 



Underside browner ; the white blotch of forewing entire, and recurved to 

 inner margin, edged with black, as is the pale streak from two-thirds of costa ; 

 marginal area much paler and greyer : hindwing with large cell-spot, waved 

 postmedian line, and all the veins black ; a zigzag pale submarginal line ; a pale 

 spot at base of cell ; fringes pale, spotted with black beyond veins. 



Head, thorax, antennae, and legs smoky black ; abdomen somewhat paler, more 

 whitish below. 



Expanse of wings : 52 mm. 



4 c? tj from Hnancabamba, Cerro de Pasco, Pern (Bottger). 



Closely allied to aetldopissa Dogn. and sororcula Dogn., as large as the former, 

 but apparently marked more like the latter. 



124. Nipteria trisecta spec. nov. 



Forewing : pale smoky grey in the basal and marginal fields, whitish in the 

 centre ; this central area is narrow and dead white at the middle of costa, widening 

 out and whitish, semi-transparent, below vein 5; the edges lunulate-dentate, the 

 teeth in both directed inwards, the inner at one-third, the outer at three-fourths ; 

 a small whitish spot on costa before apex ; the grey of the basal and outer areas 

 becomes deeper along costa : cell-spot dark, linear, lying on the outer edge of 

 the pale space ; fringe dark grey. 



Hindwinq : wholly dull pale grey, with a waved postmedian darker lino, 

 beyond which the marginal area is slightly darker ; an obscnre round grey cell-spot : 

 fringe dark grey. 



Underside dull grey, darker towards costa of forewing, at the middle of which 

 is a white flattened flgure-of-8-shaped blotch ; from the subapical white spot a 

 faint submarginal line descends to inner margin before anal angle : hindwing with 

 dark median band. 



