( 479 ) 



Hindtcings : without the grey cloud, and therefore with the markings clearer ; 

 no first line ; the antemedian line only distinct on inner margin ; the rest as in 

 forewings. 



Underside of forewings uniform dark grey, of hindwings greyish white ; fringe 

 of forewings pale ; no markings except the dark cell-spots ; costa of forewings 

 with hlack dots. Head and thorax dark grey ; face brown-grey above, pale grey 

 below ; abdomen wanting. 



Expanse of wings : 30 mm. 



One S from Callanga, Cuzco, Pern, 1500 ft., 1898 (Garlepp). 



Nearest to hrote$ Druce ; distinguished by the uniform grey coloration without 

 any brown or ochreons tints. 



The tooth of the snbmarginal line above vein 7 of forewings is tipped with a 

 small but plain white spot. Vein 5 of forewings from just above the middle of 

 discocellular. 



106. Scotopterix insolita sp. nov. 



Forewings : dirty whitish, dusted thickly with olive-fuscous scales ; the lines 

 darker, starting from dark costal spots and marked by vein-spots ; first at one-fifth, 

 second in middle, outer from two-thirds of costa ; all three curved and waved, the 

 median passing close to the elongated oval cell-mark, which is edged and centred with 

 fuscous, the outer approaching the median line on inner margin ; submarginal line 

 dentate, preceded by a diffuse dark shade, which fills up the teeth, and followed by 

 a dark cloud beyond cell and on submedian fold ; a row of marginal dark spots ; 

 fringe grey. 



Hindioings : similar ; the cell-spot smaller. 



Underside like upper, but paler, with the submarginal band broader. Head, 

 thorax, and abdomen grey mottled with darker. 



Expanse of wings : 38 mm. 



One ? from ,San Marco, Peru, February 1900, rainy season, 3200 ft. (Simons). 



Subfamily FIDONIINAE. 



107. Fidonia tristata sp. nov. 



Forewings : whitish grey, thickly covered with coarse blackish partially con- 

 fluent atoms ; the lines, which are thick and diffuse, are more or less lost in the 

 dark dusting ; inner line at one-fourth, and outer line at two-thirds are both double 

 on costa, the latter obscurely dentate ; submarginal line parallel to hindmargin ; 

 cell-spot black ; fringe dark grey. 



Hindwings : with traces of antemedian, donlde postmedian, and snbmarginal 

 lines. 



Underside smooth glossy pale grey ; forewings with obscure dark marginal 

 fascia and cell-spot. Head, thorax, and abdomen pale grey peppered with blackish. 



Expanse of wings : 27 mm. 



One ? from Pallasco, Peru, 3200 ft., December 1899, beginning of wet season 

 (Simons). 



The hindmargin of hindwings is crenulate, the sinus beyond the cell deeper than 

 the rest. In the forewings veins 10 and 11 are coincident. 



