TRACHKA. 165 



marks, angled outwards at vein 7 and dentate to near termeu at 

 veins 4, 3 ; a terminal series of slight blackish luuulea ; cilia inter- 

 sected with white. Hind wing whitish suffused with orange- 

 yellow, the veins and costal area irrorated wnth fuscous ; a large 

 discoidal lunule and traces of postmedial line with dark points on 

 the veins ; terminal area fuscous ; cilia white, yellowish at base 

 and with fuscous line through them except towards tornus ; the 

 underside white, the veins of terminal area irrorated with fuscous, 

 a large black discoidal lunule and postmedial series of short dark 

 streaks on the veins. 



Hah. U.S.A., Washington, 1 $ type, Colorado. Exp. 34 millim. 



2921. Trachea inordinata. (Plate CXII. fig. 3.) 



Hadena inordinaia, Morr. Proc. Acad. Nat. Sci. Phil. 1875, p. 63; Smith, 



Cat. Noct. N. Am. p. 141. 

 Xylophasia montana. Smith, Proc. U.S. Nafc. Mus. xiii. p. 444 (1890). 



Head and thorax pale rufous mixed with dark brown and white 

 scales ; teguhe with slight dark medial line ; tarsi fuscous ringed 

 with white ; abdomen grey-white tinged with rufous and irrorated 

 with brown, the ventral surface white. Fore wing grey-white 

 suffused with brown and irrorated with black, the medial area pale 

 rufous beyond and below cell ; subbasal line represented by double 

 black strige from costa and submedian fold ; a slight black streak 

 below base of cell and another above inner margin before the ante- 

 medial line, which is double filled in with white, angled outwards 

 below costa and in cell and inwards on median nervure, then 

 strongly excurved and retracted to inner margin ; claviform incom- 

 pletely defined by black, with pale bidentate mark beyond it and 

 black streak from its lower edge to postmedial line ; orbicular with 

 white annulus partly defined by black, very obliciue elliptical ; 

 reniform with greyish centre and slight whitish annulus partly 

 defined by black ; an indistinct medial line oblique from costa to 

 vein 2, then dentate ; postmedial line double filled in with white, 

 bent outwards below costa, then dentate, oblique below vein 5, some 

 white points be}'oiid it on costa ; the veins of terminal area with 

 fine dark streaks, the postmedial area whitish except towards costa ; 

 subterminal line white, defined on inner side by dentate black marks 

 strongest at middle, angled outwards at vein 7 and dentate to 

 termen at veins 4, 3 ; a terminal series of small black lunules ; cilia 

 chequered fuscous and white. Hind wing whitish suffused with 

 fulvous yellow, the veins and terminal area fuscous ; a blackish 

 discoidal lunule and curved postmedial line ; cilia white ; the under- 

 side white tinged with fulvous, a black discoidal lunule and traces 

 of postmedial and subterminal lines, the latter with minute dark 

 streaks on the veins, a black terminal line. 



Ab. 1. Head and thorax without rufous tinge ; fore wing darker, 

 with less rufous on medial area; hind wing j^ellower. — Br. Columbia. 



Ab. 2. montana. Fore wing paler, the markings hardly defined 

 by black, the dentate marks before subterminal line slight. — Colorado. 



