( 543 ) 



being situate at tlie lower end ; the interiur of tlie wing white, finely dusted with 

 chocolate atoms ; marginal area below middle yellowish, with the fringe beyond it 

 grey, the fringe above middle white. 



Underside white ; forewing with a black apical blotch narrowing to below vein 4. 



Palpi white, tinged externally with pale brown ; face and vertex white ; collar, 

 shoulders, patagia, thorax, and two basal segments of abdomen brown, somewhat 

 varied with whitish hairs ; rest of abdomen white, with a slight grey tinge. 



Expanse of wings : 48 mm. 



1 ? from Santo Domingo, Carabaya, S.E. Peru, GOOO ft., June 1902, dry 

 season (Ockenden). 



109. Opisthoxia vigilans spec. nov. 



Forewing : cream-white, the costal half of wing fuscous, the edge of this 

 fuscous area running from one-sixth of inner margin to liindmargin at vein 4 ; 

 the fuscous ground is formed by dense striations which are actually coalescent 

 below, but become less dense towards costa, which is whitish with fuscous striae 

 from base to beyond middle, where it is broadly clear white ; traces of darker 

 transverse shades across the fuscous band from below each end of this white blotch, 

 and of two or three antemedian blotches on the edge of the band ; towards the 

 apex the pale striae of the fuscous band are yellowish, and there are two patches 

 of bluish silvery scales, one below costa on vein 8 some little way before hind- 

 margin, the other above vein 4 close to hiiidmargin ; fringe fuscous from apex to 

 vein 3, then white. 



Iliiidwing : with short basal fuscous streak ; an olive-tawny triangular blotch 

 towards a])ex, bounded below by vein 4, its inner edge vertical at middle of wing, 

 its outer oblique ; the costal and lateral edges of this patch are broadly overlaid 

 with metallic greenish scales, and there is an oval thicker patch of the same at 

 the angle on hindmargin, before which there stands a patch of brick-red scales ; 

 in the centre of the blotch a large ocellus, the outer ring ochreous, the centre 

 velvety black, with an outer metallic ring ; from anal angle to vein 4 an olive-grey 

 marginal band with jjatches of silvery blue scales between the veins ; costal area, 

 a band beyond the basal fuscous streak, and the apical area beyond the triangle 

 pure white, the rest of the wing speckled with purplish scales ; fringe grey from 

 anal angle to vein 4, then white, the white portion with a yellow basal line. 



Underside of forewing white, with a dull blackish apical patch and some dark 

 striae in cell and beyond, and also along costal edge : hindwing with a grey border, 

 narrower and submargiual from costa to middle, broader and marginal below ; fringe 

 in both wings grey, becoming white beyond the white ground-colour. 



Head, thorax, and first segment of abdomen fuscous, speckled with whitish ; 

 rest of abdomen white, speckled with purplish like hindwing ; abdomen beneath and 

 legs white ; antennae, palpi, and front of forelegs fuscous. 



Expanse of wings : 44 mm. 



1 ? from Bulim^ N.W. Ecuador, 100 ft., Jauirary 1901 (Flemming & Miketta). 



Subfamily ABRAXINAE. 



110. Abraxas transvisata spec. nov. 



Fort'U'iiig : white, semi-transparent, with numerous pale brown partially 

 coalescent spots ; a broad pale brown costal streak ; the veins finely brown ; a 

 brown spot ou upper half of discocellular ; a row of semicircular spots along 



35 



