( 64 ) 



pectus and femora are hairy ; the basal joint of ])alpi is conspicuous with a rounded 

 fringe of outstanding hairs. The insect bears a great superficial resemblance to 

 muraena Druce. 



Subfamily SEMIOTHISINAE. 

 55. Semiothisa crassisquama s])ec. nov. 



Forewing : ochreous, covered with coarse olive-brown striations ; the costa 

 yellowish witli fine brown striae; the lines brown, starting from oblique brown costal 

 blotches at one-fifth, two-fifths, and three-fifths ; the first and second lines thick 

 and diffuse, the second touching the brown discal mark, the third narrower, 

 crenulatc, angled on vein 6 ; at four-fifths of costa a fourth brown blotch, inwardly 

 oblique and broadened to vein 6, commences a submarginal shade which is inter- 

 rupted beyond cell by a fulvous patch and continued as a brown streak to inner 

 margin ; marginal area suffused with brown and fulvous ; between veins 6 and 7 

 the ground-colour on each side of the brown marks is white ; a row of blackish 

 marginal hmules ; fringe yellowish, chequered with brown at the veins, wholly 

 brown beyond cell. 



Hindwimj : without basal line ; the submarginal band uninterrnpted, mixed 

 with fulvous throughout ; hindmargin below middle paler. 



Underside white, striated with brown ; costa and veins of both wings yellow ; 

 markings as above, but clearer ; the fnlvous patch beyond cell of forewing con- 

 spicuous ; apex of hindwing leaden-grey. 



Head, thorax, and abdomen olive ochreous, varied with darker. 



Expanse of wings : 25 mm. 



1 c? from Palino cue, Paraguay, February (Montforts). 



Hindmargin of forewing without excision ; of hindwing bluntly toothed at 

 middle ; antennae shortly pubescent ; forewing without fovea. 



56. Semiothisa orthodisca spec. nov. 



Forewing : semi-transparent, pearl-grey, striated and partly tinged with dark 

 grey ; lines blackish ; first at one-fifth, bent in cell, then inwardly oblique ; second 

 at two-fifths, waved, parallel to first line ; discal mark dark chestnnt-brown, 

 oblique, and Ijlack edged on both sides, sharply cut at vein 4 and above j)roduced to 

 the costa ; outer line from two-thirds of costa to three-fonrths of inner margin, waved, 

 and dark-marked on veins ; succeeded by a broad fascia with waved external edge, 

 chestnut-brown to vein 3, then dark grey, narrowed to anal angle; it is slightly 

 edged with whitish and followed by a white dash above vein ; marginal area 

 iron-grey ; marginal line black ; fringe brownish grey with a white fleck at apex. 



Hindwing : without inner line ; cell-spot round and bhuk ; submarginal fascia 

 wholly dark gre}' ; fringe dark grey with pearly base. 



Underside brightly white; all the striae autl markings very distinct; sub- 

 marginal fascias both brown-tinged ; costa of forewing yellowish. 



Head brown ; palpi brown mixed with ochreous ; thorax and j)atagia pale grey ; 

 shoulders pale grey with the tips dark; legs greyish white, dark-mottled. 



Expanse of wings : 3i) mm. 



1 <S from Chancliamayo, Peru (Schuuke). 



Subapical excision of forewing slight ; hindwing with prominent angle in the 

 middle ; forewing with small but distinct fovea ; antennae simply pubescent. 



