112 ZOOLOGICAL EESULTS OP THE EFWENZORI BXPEDITIOK. 



Plusia cupreomicans, sp. n. (Plate IV, fig. 19.) 



? . Head and thorax brown mixed with grey, the vertex of head and tegulse, except 

 edges, yellow mixed with red ; abdomen grey suffused with brown. Fore wing grey- 

 brown almost entirely suffused with metallic golden-copper, striated and irrorated with 

 brown ; subbasal line slight, double, waved, from costa to snbmedian fold ; antemedial 

 line brown defined by silvery scales on inner side, waved, slightly bent outwards below 

 osta, then nearly erect ; orbicular silvery-white defined by black, oblique elliptical, 

 extending to submedian fold and with a round silvery-white spot defined by black 

 beyond its lower extremity : reniform faintly defined by brown ; postmedial line double 

 with some silvery scales on it, especially from vein 2 to inner margin, bent outwards 

 below costa, then waved, excurved below vein 5, then oblique and again excurved 

 below submedian fold ; subterminal line indistinct, dark, angled outwards at veins 7, 6 

 and below veins 4, 3 and excurved to tornus, two slight whitish subapical marks 

 beyond it ; a fine whitish line at base of cilia. Hind wing whitish tinged with brown, 

 the veins, inner area, and terminal half except towards apex suff'used with brown ; the 

 underside whitish irrorated with brown, an indistinct curved postmedial line, the area 

 beyond it suffused with brown. 



Hah. E. Congo, Semliki Valley, 1 $ type ; Nigeria, Old Calabar {S. D. Crompton), 

 1 ? . Exp. 32 mm. 



Plusia aranea, sp. n. (Plate IV. fig. 20.) 



2 ,. Head and thorax red-brown mixed with grey, the scales tipped with grey ; 

 abdomen ochreous-whitish, the crests mixed with red-brown. Fore wing very thickly 

 striated with grey-white and brown from base to middle of costa, and thence obliquely 

 to termen at vein 2, the apical area cupreous red-brown finely striated with grey ; 

 antemedial line indistinct, fine, whitish, excurved from costa to median nervure, then 

 oblique ; orbicular with fine very oblique V-shaped white annulus open above, and 

 with oblique whitish through it and continued between the arms of the fine oblique 

 silvery-white Y-shaped stigma below end of cell ; reniform with fine white annulus, 

 constricted at middle and slightly angled inwards on median nervure; postmedial line 

 indistinct, fine, whitish, shghtly excurved below costa and at middle and incurved at 

 discal fold, acutely angled inwards at vein 2 to below the Y-shaped stigma ; a fine 

 minutely dentate whitish subterminal line, excurved below costa and dentate to near 

 termen below veins 4 and 8 ; a fine white line just before termen ; a terminal series of 

 slight dark points ; cilia whitish mixed with some brown and with slight waved white 

 line near base. Hind wing whitish tinged with brown, especially on terminal half; 

 cilia white with a brownish line near base ; the underside whitish irrorated with brown, 

 especially on costal and terminal areas, traces of dift'used brownish postmedial and 

 subterminal lines. 



Hal. Mubuku Valley, E. Euwenzori, 6000 ft., 1 ? type. Exp. 32 mm. 



