rOLTA.. 81 



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

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

 underside paler, irro rated with brown and black, a black discoidal 

 lunule and curved postmedial line. 



Hah. U.S.A., Colorado, 1 S • Exp. 30 millim. 



1236. Polia determinata. (Plate LXXX. fig. 10.) 



Mamestra determinata, Smith, Proc. U.S.Nat. Miis. 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 ochreous. Fore wing ochreous 

 whitish, suffused and irrorated with rufous, most strongly on 

 medial area; the median nervure, 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 annuli 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 lino ; postmedial line rather indistinct, dentate 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, 

 angled 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. 



Hab. U.S.A., Colorado, 1 c? , foothills (Brace), in Coll. Schaus. 

 Eap. 34 millim. 



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



T(/>niocampa 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 lino from costa to 

 submedian fold ; the antemedial line oblique from costa to 

 submedian fold, then waved ; orbicular and reniform moderate, 

 greyisli defined by rufous, the former round, the lat(er 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. Q 



