( 335 ) 



Underside straw-colonr with ouly vestiges of lines ; costa of forewing browu 

 at base. 



Head, thorax, and abdomen straw-colour, the last (lotted with dark on 

 dorsum. 



Expanse of wings : 26 mm. 



1 <S between La Paz and Sdvato, Bolivia, 26(JO m., Augnst 1900 (Simons). 



66. Perizoma albirasa spec. nov. 



Forewing: white; the bas;il and apical areas dnll lirown ; basal patch small, 

 edged by a pale vertical line, and the band following, with brown ; the inner edge 

 of the central fascia sinuously vertical browu, edged basewards by a black line, 

 the rest of the central fascia white, limited externally by a brown-black streak 

 running oblic|uely outwards from three-fifths of costa to vein 4, then incurved and 

 marked only by dark spots on veins, followed at costa by a fine white and a second 

 dark line ; marginal area brown, traversed by a whitish submarginal line, and 

 broadly interrupted to margin by the white ground-colour between veins 3 and 4 ; 

 an interrupted black marginal line in costal half of wing ; fringe white with dark 

 chequering. 



Hind wing : pure white, with slight dark marginal line and traces of lines above 

 anal angle ; fringe white. 



Underside white, in the forewing discoloured with grey find with the dark 

 markiug.s of the upperside partly showing through ; cell-spots black. 



Head, thorax, and abdomen grey-brown, the dorsum blackish; collar and anal 

 segment whitish. 



Expanse of wings : 22 mm. 



1 ? from Santo Domingo, Carabaya, S.E. Peru, 61)00 ft., December 1901, wet 

 season (Ockenden). 



67. Perizoma carnepicta spec. nov. 



Foren-ing : flesh-colour, glossy ; tinged with grey towards hiudmargin ; basal 

 patch blackish, its edge from one-third of costa to one-half of inner margin, slightly 

 paler margined ; a black costal tooth at two-thirds, from which a dark line runs quite 

 shortly outwards to vein 6, where it bends inwards and becomes obsolete ; a very 

 faint pale submarginal line, preceded by a large black costal blotch and followed 

 by a smaller one, as in the following species ; fringe dark grey, with squarish dark 

 spots beyond veins in basal half ; a slight grey cell-spot. 



Hindiciiig : whitish with slight flesh-coloured tinge, grey along hindmargin 

 with black spot at anal angle ; a grey cell-spot ; fringe as in forewing. 



Underside shining dark cinereous; the black markings of upperside well 

 shown ; a black cell-spot ; costal area reddish : hiudwings speckled with grey in 

 basal half, with black cell-spot and pale curved outer line. 



Head, thorax, and abdomen except anal segment black ; forelegs black. 



Ex])anse of wings : 19 mm. 



1 6 from Iluancabaml)a, t'crro de Pasco, Pern, (UtH) fr. (BJittger). 



This species appears distinct from the succeeding one, P./allax, differing both 

 in coloration and markinjrs. 



