f 421 ) 



forms a slight tooth — and hindmargin, ami narrowly half-way up inner margin, 

 emitting a long blunt tooth to centrp of wing hetwoen veins 2 and 3 ; the extreme 

 costal edge remains yellow. 



Underside the same. Palpi yellow, with the tips Mack ; face and shonlders 

 yellow ; thorax and abdomen slaty cinereous. 



Expanse of wings : 32 mm. 



A pair from Entre Rins, Parana. 



31. Erilyccs solilncis liuihr nli. subiutrusa imv. 



Ground-colour ratlior dcc])iT yidhiw than in (he fyjic : the central olili(|Ui' lihu'k 

 band of forewings twice as broad, with a triangular jjrojection in the middle of its 

 outer side, all but interrnpting the obliijue yellow band that follows it. In the 

 hindwings the black marginal band is swollen from veins 2 to 4. 



One ? from between Manaos and R. Jutahi f M. Stuart). 



Momouipta gen. nov. 



Foreio'nf/s : with costa curved: apex blunt, rectangular : hindmargin curved, 

 not very oblique. 



Hindwings ; with hindmargin and both angles rounded. 



Antennae of c? subserrate, with paired fascicles of cilia : jialpi porrect, second 

 joint long, third shorter, upturned ; tongue well developed ; frenulum stout. 



Seuration : forewings, cell hardly half the length of wing : discocellular 

 straight, oblique : first median uervnle at five-sixths, second and third stalked ; 

 both radials near together from centre of discocellular ; 7, 8, 0, 10, stalked from 

 upper angle of cell ; 10 rising before 7 ; 11 free. Hindwings with cell more than 

 half the length of wing ; discocellular oblique ; costal free, approximated for some 

 distance to subcostal : the two subcostal nervules stalked : radial from slightly 

 above middle of discocellular ; medians as in forewings. 



Scaling thin ; wings semitranspareut. 



Type : ^[omonipfa alhiplaga sj). nov. 



32. Momonipta albiplaga sp. nov. 



Forcwitx/M : dull smoky black ; a long white blotch l)etween median and sub- 

 median fold, its upper edge curved, and both ends pointed ; a narrow white streak 

 below submedian ; a white curved blotch beyond cell, from subcostal to vein 3 ; 

 fringe black. 



Hindwinqs: white, with black bordered hindmargin, narrciwer in middle, and 

 broad smoky grey inner margin. 



Underside similar. Head, thorax, and abdomen smoky black : underside of 

 abdomen pale. 



Expanse of wings : 34 mm. 



One 6 from R. Dagna, Colombia (W. Rosenberg). 



33. Oricia biplagiata sp. nov. 

 Forewinqn : dull golden-brown, with all the veins and folds yellow ; two oblong 

 orange-y(d!ow lilotches, one beyond cell below costa reaeliing to lower radial and 

 apjiroaching hindmargin, the other below the median extending above vein 2 and 

 nearly touching the submedian below. 



