roLiA. 115 



1285. Polia nimbosa. (Plate LXXXI. fig. 14.) 



Aplecta nimbosa, Guen. Noct. ii. p. 77 (1852) ; Smith., Cat. Noct. N. Am. 

 p. 114. 



Head and thorax white mixed with some brown and black; 

 palpi black towards tips ; frons with black bar ; tegulse with black 

 line near tips ; patagia edged with black on outer side ; tarsi black 

 above towards extremity ; abdomen whitish, dorsally tinged with 

 brown or fuscous. jFore wing white irrorated with fuscous and 

 black ; an ill-defined waved subbasal line angled inwards in cell and 

 ending at vein 1, the costal area and cell from it to subterminal 

 line tinged with fuscous ; anteraedial line defined by whitish on 

 inner side, oblique, waved, angled inwards on median nervure and 

 vein 1 ; claviform short and broad, defined by black ; orbicular and 

 reniform large, defined by black, their centres obscurely defined by 

 fuscous, the former round ; postmedial line defined by white on 

 outer side, strongly dentate, double at eosta, bent outwards below 

 costa and incurved below vein 4, some white points beyond it on 

 eosta ; subterminal line whitish, defined by an irregularly dentate 

 black line on inner side, angled outwards at vein 7 and excurved at 

 middle ; a terminal series of black lunules. Hind wing whitish 

 suffused with brown, leaving the area be}'ond the sinuous post- 

 medial line paler ; a dark terminal line ; cilia white; the underside 

 white, with dark discoidal lunula, sinuous postmedial, line, and 

 diffused subterminal band. 



Hah. Caxada, Br. Columbia ; U.S.A., X., E., and Middle States, 

 Trenton Falls (Doubleday), 5 d , 1 $ , type, Colorado. Exjp. 58-62 

 millim. 



1286. Polia mystica. (Plate LXXXI. fig. 15.) 



Mamestra mystica, Smith, Ent. News Philad. ix. p. 242 (1898) ; Dyar, Oat. 

 Lep. N. Am. p. 156. 



cJ . Head, thorax, and abdomen grey-white mixed with black ; 

 frons with black bar ; tegulae with black medial line ; patagia edged 

 with black on outer side ; tarsi banded with black. Fore wing 

 grey-white, thickly irrorated with black ; a rather indistinct waved 

 subbasal line from costa to submedian fold ; an irregularly waved 

 antemedial line bent inwards in cell ; claviform indistinctly defined 

 by black ; orbicular and reniform large, grey defined by black, the 

 former elliptical, somewhat oblique, the latter strongly constricted 

 at middle ; postmedial line defined by grey on outer side, dentate, 

 bent outwards below costa, excurved to vein 4, then incurved ; 

 the subterminal line whitish, defined by dentate blackish marks on 

 inner side at costa, discal and submedian folds, angled outwards at 

 vein 7 and dentate at veins 4, 3 ; a terminal series of prominent 

 black lunules. Hind wing grey, irrorated and suffused with fuscons : 

 a postmedial fuscous band and the terminal area darker ; the cilia 

 white, with a fuscous postmedial line through them ; the underside 

 whiter, with fuscous postmedial line and subterminal series of 

 diffused patches. 



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