214 NOCTL'ID.?:. 



slightly defined by fuscous and with raised scales on its inner edge ; 

 medial line dark, excurved V>elow costa, then oblique and minutely 

 waved ; postmodial line indistinct, dark, bent outwards below costa, 

 then minutely waved, slightly incurved at discal fold, incurved 

 below vein 4, some whitish points beyond it on costa, subterminnl 

 line greyish defined on outer side by fuscous, slightly excurved 

 below vein 7 and at middle ; a terminal series of black striie. 

 Hind wing fuscous brown, the cilia whitish at tips ; the underside 

 paler. 



Ab. 1. Fore wing with the area between the antemedial and 

 medial lines blackish. 



Hah. Singapore (lUdleij), 3^,6$ type. E.vjk 24-26 millim. 



*6469. Gyrtona erebenna. (Plate CLXXIX. fig. 29.) 



Gyriona ereheima, Mab. Ann. Soc. Ent. Fr. 1899, p. 731. 



cJ . Head, thorax, and abdomen grey mixed with some brown ; 

 palpi rather darker at sides. Fore wing grey ; a subbasal brown 

 band with waved outer edge ; an indistinct antemedial line angled 

 outwards on median nervure ; a slight waved medial line angled 

 outwards on median nervure and with brownish band beyond it ; 

 two slight discoidal points ; an indistinct diffused brown postmedial 

 band, bent outwards below costa, excurved to vein 4, then oblique ; 

 the terminal area fuscous brown with traces of a dentate grey 

 subtermiual line and waved terminal line enclosing a series of dark 

 points. Hind wing grey suffused with fuscous brown. 



Hah. Madagascak, Bale d'Antongil, type f cJ in Coll. Mabille. 

 Exp. 14 millim. 



b. AntenniE of male minutely ciliated. 



ft'. Fore wing with dentate white subapical mark naina. 



fA. Fore wing without dentate white subapical mark. 

 ft2. Hind wing semib\'aline white, tbe terminal area 

 fuscous brown. 

 a^. Fore wing with tbe postmedial line incurved 



below vein 4 exsicca. 



P. Fore wing with tbe postmedial line oblique from 



below costa to inner margin , ochrcographa. 



c^. Fore wing with erect postmedial band slightly 



excurved at middle ., plicBOzona. 



/>*. Hind wing nearly uniform fuscous brown. 



«3. Fore wing with the postmedial line slightly 



incurved below costa and excurved at middle ... divifalis. 

 h^. Fore wing vv'ith the postmedial line bent outwards 

 below costa and incurved or oblique below 

 vein 4. 

 a. Fore wing with the antemedial line curved. 



«\ Fore wing suffused with silvery scales plumhixparsa. 



h^. Fore wing not suffused with silvery scales ... polionota. 

 h*. Fore wing with the antemedial line slightly 



angled outwards below costa, then oblique ... proximal is. 

 c^. Fore wing with the antemedial line very ob- 

 liquely excurved from costa to just below the 

 cell, then oblique atribascdis. 



