Heleruceva from Costa Rica. 7 



of this species has the pal[)i V(My long, almost reaching to 

 end o£ abdomen. 



Expanse 15 nun. 



Ilab. Esperanza. In Coll. Dognin from French Guiana. 



Mastigophorus curvilinea, sp. n. 



? . Palpi, head, and tliorax dull brown. Abdomen dark 

 brownish grey, with paler segmental lines and tut'ts at base. 

 Fore wings brown, the lines fine, dark brown ; a subba^al 

 line, outbcnt on inner margin; antemedial line evenly out- 

 curved ; orbicular a white point circled with dark brown; a 

 broad dark brown medial shade, barely indicated on costa ; 

 two white points on discocellular edged witli dark brown; 

 postmedial line outcurved on costa, with a small dark spot 

 above it, inbent, faintly sinuous, outbent below subnieuian 

 fold ; outer margin broadly somewhat darker; a subtermiual 

 pale dentate line from costa to vein 7, followed by a dark 

 brown shade above vein 7 to apex, and a small similar spot 

 below 7 ; short subterminal pale streaks on veins otherwise; 

 a tine dark terminal line, outwardly pale-edged. Hind 

 wings whitisii suffused with brownish grey ; postmedial and 

 subterminal fine lines; termen narrowly darker shaded; 

 the terminal line fuscous. Fore wings below greyish, tne 

 costal margin shaded with light brown ; a fine postmedial 

 line ; a black subterminal shade on costa. Hind wings 

 below buff-grey irrorated with brown ; a black spot on 

 discocellular preceded by a black streak in cell; postmedial 

 line finely wavy ; an interrupted subterminal line. 



Expanse 30 mm. 



Hab. Poas. 



Tliis species can be recognized by the evenly curved ante- 

 medial line, which is usually outbent on inner margin. 



Mastigophorus evadnealis, sp. n. 



? . Palpi light brown, head, collar, and patagia darker 

 brown, thorax and abdomen above fuscous, all irrorated with 

 niiimte metallic steel-coloured scales ; body below pale buff. 

 Fore wings rich brown, the inner margin broadly and terminal 

 interspaces fuscous, thickly irrorated with metallic steel- 

 colour; costal margin darker brown; some metallic irrora- 

 tions on basal third, along median vein, and on postmedial 

 space ; a pale brown shade in and beyond cell interrupted by 

 the broad rich brown reuiform ; a postmedial thick brown 

 line on inner margin and a similar subterminal line from costa 

 to inner margin ; veins fuscous on outer margin to the 



