new African Moths. 431 



cell, oblique and sinuous from cell to inner margin ; the 

 stigma formed by a small black spot defined at sides by- 

 silvery strise above median nervure and a Y-shaped silvery 

 mark below the cell filled in with whitish, its tail bent 

 outwards and dilated into a triangular lobe filled in with 

 silvery white ; reniform represented by a silvery striga 

 on upper discocellular, with elliptical cupreous brown mark 

 beyond it and two silvery striae below, forming with the 

 median nervure an incomplete triangle ; postmedial line in- 

 distinctly double, filled in with silvery grey, obliquely curved 

 and minutely waved from costa to submedian fold, where it 

 is angled inwards, then bent outwards, some grey-white 

 suffusion before and beyond it from costa to vein 3, narrowing 

 below; subterminal line silvery white, exeurved from costa 

 to vein 6, then oblique, some grey-white beyond it at middle 

 and in submedian interspace; a fine silvery-white liue just 

 before termen ; cilia grey-white mixed with cupreous brown. 

 Hind wing cupreous brown, the cilia with fine whitish line at 

 base and white tips; the underside whitish suffused and 

 irrorated with red-brown, an indistinct oblique postmedial 

 line, the area beyond it dark brown with a cupreous gloss. 

 ? . Abdomen greyer ; hind wing darker. 



Hub. Madagascar, Betsileo (Cowan), 1 ^, 1 ? type. 

 Exp., £ 44, $ 40 mm. 



Allied to P. biloba, Steph. 



Plusia tetrastigma, sp. n. 



? . Head, thorax, and abdomen red-brown mixed with 

 grey-white. Fore-wing grey-brown irrorated and striated 

 with dark brown, a large triangular patch of dark red-brown 

 extending obliquely from apex below costa into the end of 

 cell and down to vein 2 ; traces of a sinuous grey subbasal 

 line from costa to vein ] and of a sinuous grey antemedial 

 line ; an oblique silvery stigma formed by a minute silver 

 lunule above median nervure towards end of cell, a round 

 spot below median nervure almost or quite touching an ellip- 

 tical spot with another round spot below it; reniform faintly 

 defined by grey and strongly constricted at middle; post- 

 medial line very slight and indistinct, grey, sinuous, angled 

 inwards in submedian fold below the silvery stigma ; the 

 veins of terminal area slightly streaked with grey; a fine 

 waved grey subterminal line and fine waved grey line just 

 before termen. Hind wing whitish suffused with reddish 

 brown especially on terminal area ; cilia whitish, with a brown 

 line through them ; the underside whitish irrorated with 



