199 



2970. Trachea commoda. (Plate CXIII. fig. 12.) 



Xylina commoda, Wlk. xi. 760 (1857) ; Smith, Cat. Noct. N. Am. p. 153. 

 Hadena alberta. Smith, J. N.Y. Eut. Soc. xi. p. 8 (1903). 



Head, thorax, and ahdomen fuscous brown, mixed with grey ; 

 tarsi ringed with whitish. Fore wing fuscous brown tinged with 

 purplish grey and irrorated with white scales ; antemedial line 

 very indistinct, waved, oblique; claviform absent; orbicular and 

 reniform with incomplete pale annuli defined by brown, the former 

 very oblique elliptical, the latter somewhat constricted at middle ; 

 postmedial line defined by greyish on outer side, bent outwards 

 below costa, oblique and sinuous below vein 5, some white points 

 beyond it on costa ; subterminal line represented by a series of 

 slight whitish marks defined on inner side by dentate brown marks, 

 angled outwards at vein 7 and excurved at middle, some dark 

 streaks beyond it in the interspaces ; cilia greyish with series of 

 white points at base followed by a blackish line. Hind wing 

 greyish suffused with fuscous brown, the terminal area darker ; 

 cilia greyish with a black line near base ; the underside grey, the 

 costal and terminal areas irrorated with brown, a dark discoidal 

 spot and curved postmedial line. 



Hah. Canada, Alberta, Calgary (Wolley-Dod), 2 J, 1 $ cotype 

 alberta ; U.S.A. {Doubleclay), 1 $ type. Exp. 44 millim. 



*2971. Trachea enigra. (Plate CXIII. fig. 13.) 



Xylophasia enigra, Smith, Psyche, xi. p. 54 (1904). 



S . Dark brown mixed with fuscous and grey ; tegulaB with 

 slight dark medial line ; tarsi fuscous with pale rings ; abdomen 

 greyish brown, the dorsal crests mixed with black. Fore wing 

 dark brown mixed with some grey and irrorated with black ; sub- 

 basal line black defined by greyish on outer side, waved, from costa 

 to submedian fold ; antemedial line indistinct, double, waved, 

 oblique from costa to submedian fold ; claviform small, defined by 

 black ; orbicular and reniform with slight grey annuli defined by 

 black, the former oblique elliptical ; an indistinct slightly waved 

 medial line oblique from costa to submedian fold, then inwardly 

 oblique ; postmedial line indistinct, blackish slightly defined by 

 grey on outer side, bent outwards below costa, then dentate, 

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

 subterminal line indistinct, whitish with blackish patch before it 

 on costa, slight dentate marks before it at middle and slight dark 

 marks beyond it at middle, excurved below vein 7, angled inwards 

 at discal fold and outwards at veins 4, 3 ; a terminal series of small 

 black lunules ; cilia Avith a dark line through them. Hind wing 

 greyish nearly uniformly suffused with brown ; a slight dark 

 terminal line ; cilia brownish white with series of dark marks from 

 apex to vein 2 ; the underside grey tinged with brown and irrorated 



