ART. 7. NEW SPECIES OF MOTHS SCHAUS. 15 



somewhat narrower between veins 2 and 5. Fore wing below white 

 Avithoiit basal markings, the discal spots sutfusing and joining the 

 tornal spot ; apex broadly fuscous black from above vein 3. Hind 

 wing below with the costa also fuscous black. 



Expanse. — 40 mm. 



Hahihit. — Kio Potaro, British Guiana. 



Type.—C'Ai. No. 2589G, U.S.N.M. 



In appearance very much like Eucereon inconspicua^ female, 

 Lathy figured by Hampson/ but the venation is of course different. 



HELIURA NATHALAN, new species. 



Female. — Antennae black, the base and a short streak on shaft 

 cream wliite. Palpi fuscous black in front, otherwise black. Head 

 and thorax light drab; back of head orange; tegulae and patagia 

 edged with black; metathorax buff yellow. Abdomen fuscous black, 

 the subdorsal hairs blue black; the fifth and sixth, also front of 

 seventh segment buff j'ellow; underneath buff yellow except on two 

 last segments; legs black; coxae buff yellow. Fore wing cream buff 

 faintly tinged with gray, the markings black except a buff yellow 

 spot at base followed by a black line expanding to base on inner 

 margin and toothed on vein 1; a spot on costa and one in cell before 

 middle; a faint line from origin of vein 2 to fold, then inbent and 

 thick; a bar from costa across discocellular, followed by irregular 

 spots forming a postmedial series, vertical to vein 3, inbent from 3 to 

 2, outangled on vein 1 ; a broad subterminal line from costa to vein 

 5; blackish marginal suffusions at apex; an upright bar between 

 veins 3 and 5, and an inangled spot below vein 2. Hind wing fus- 

 cous black ; basal half of costa whitish. Wings below fuscous black ; 

 fore wing with some white in cell, and a streak below it from base; 

 two postmedial white spots between veins 5 and 7, and two spots 

 outset between 3 and 5 ; hind wing with the cell and a streak below 

 it white. 



Expanse. — 36 mm. 



Hahitat. — Rio Potaro, British Guiana. 



Type.— Cat. No. 25897, U.S.N.M. 



I can not compare this to any other species. 



HELIURA CADROE, new species. 



Male. — Antennae fuscous. Head and thorax drab gray; a small 

 blackish spot on vertex; peach red spots behind head; patagia be- 

 hind blackish, the dorsal edge of patagia broadly so; dark lines 

 on shoulders, and a short line on patagia outwardly; some white on 

 metathorax. Abdomen fuscous black; traces of fine scarlet seg- 

 mental lines on terminal half; anal hairs buff white. Legs mostly 



^ Lep. Brit. Mus. supplements, vol. 1, pi. 19. flsr. ''" 



