POLTA. 81 



marks, angled outwards afc vein 7 and excurved at middle ; a 

 terminal series of black lunules. Hind wing fuscous brown ; tho 

 underside paler, irrorated with brown and black, a black discoidal 

 lunule and curved postmedial line. 



Hah. U.S.A., Colorado, 1 c? . Exp. 30 millim. 



1236. Polia determinata. (Plate LXXX. fig. 16.) 



Mamestra determinata. Smith, Proc. U.S.Nat. Mas. xiv. p. 209(1891); 

 id. Cat. Noct. N. Am. p. 115. 



S . Head and thorax reddish brown and grey, the scales tipped 

 with grey ; abdomen brownish oehreous. Fore wing ochreous 

 whitish, suffused and irrorated with rufous, most strongly on 

 medial area; the median uervure, the costal area beyond antemedial 

 line, and the terminal area dark brown irrorated with white ; 

 subbasal line obsolete ; antemedial line single, oblique from costa 

 to submedian fold, then slightly angled inwards on vein 1 ; orbicular 

 and reniform with rufous centres and whitish auuuli defined by 

 black, the former irregularly rounded, the latter concave towards 

 base and with fuscous spot in its lower extremity ; traces of a 

 waved medial line ; postmedial line rather indistinct, deutate and 

 produced to points on the veins, bent outwards below costa and 

 incurved below vein 4, some pale points beyond it on costa ; 

 subterminal line only defined by the area beyond it being darker, 

 ansrled outwards at vein 7 and excurved at middle : a terminal 

 series of small black lunules. Hind wing pale suffused with 

 reddish brown, paler towards base and inner margin ; cilia white, 

 with a strong brown line through them ; the underside whitish, the 

 costal and terminal areas irrorated with brown, a slight discoidal 

 lunule. 



Hah. F.S.A., Colorado, 1 S , foothills (Bruce), in Coll. Schaus. 

 Exjy. 34 miUim. 



1237. Polia Columbia. (Plate LXXX. fig. 17.) 



Tcpniocavipa Columbia, Smith, Pr. U.S. Nat. Mus. x. p. 472 (1887) ; id. 

 Cat. Noct. N. Am. p. 202. 



S . Head and thorax bright rufous, the hairs tipped with grey ; 

 abdomen reddish ochreous, sometimes darker, with the anal tuft 

 redder, the ventral surface irrorated with white. Fore wing bright 

 rufous irrorated with grey ; the lines rather indistinct, the veins 

 with brownish streaks ; traces of a subbasal line from costa to 

 submedian fold ; the antemedial line oblique from costa to 

 submedian fold, then waved ; orbicular and reniform moderate, 

 greyish defined by rufous, the former round, the latter with some 

 fuscous in lower part ; a medial rufous shade, oblique from costa to 

 lower angle of cell ; the postmedial line minutely dentate, bent 

 outwards below costa, slightly incurved at discal fold, incurved 



VOL. v. G 



