TRACHEA. 175 



2934. Trachea ferens. (Plate CXII. fig. 13.) 



Xylo-phaiia ferens, Smith, Cau. Ent. xxxv. p. 134 (1903). 



Head and thorax grej- largely mixed with black ; frons with 

 lateral black bars ; tegulte with black medial line ; tarsi black 

 ridged with whitish ; abdomen grey suffused with fuscous, the 

 dorsal crests blackish at tips, the genital tufts ochreous. Pore 

 wing purpHsh grey suffused with fuscous and thickly irrorated 

 with black ; a sinuous black streak below base of cell ; subbasal 

 line represented by double black strisB from costa ; a black streak 

 above inner margin before the antemedial line, which is indistinctly 

 double filled in with grey, waved, oblique from costa to submedian 

 fold ; claviforra defined by black, acute at extremity and with strong 

 black streak below and beyond it to postmedial line ; orbicular and 

 reniform with slight whitish annuli defined by black, the former 

 irregularly rounded ; traces of a slightly sinuous medial line oblique 

 from costa to below cell ; postmedial line indistinctly double filled in 

 with grey, bent outwards below costa, then minutely dentate, 

 excurved to vein 4, then oblique, some whitish points beyond it on 

 costa and series of black and white points on the veins ; subterminal 

 line white, defined on inner side at middle by small dentate black 

 marks, angled outwards at vein 7 and minutely dentate at veins 4, 3; 

 a terminal series of small black lunules ; cilia blackish intersected 

 with grey. Hind wing grey with an ochreous tinge and suffused 

 with fuscous, the veins and terminal area darker ; a black terminal 

 line ; cilia ochreous with a blackish line through them except 

 towards torn us ; the underside whitish tinged with ochreous and 

 irrorated with brown, a small discoidal spot, sinuous postmedial 

 line, and slight diffused subterminal band. 



Hah. Canada, Manitoba, Cartwright, Alberta, Calgary ( Wolley- 

 Dod), 3 J , 1 $ . Exp. 40 millim, 



2935. Trachea separans. (Plate CXII. fig. 14.) 



Hadena separans, Grote, Bull. U.S. Geog. Geol. Surv. Terr. vi. p. 260 

 (1880) ; Smith, Cat. Noot. JST. Am. p. 133. 



Head and thorax dark brown mixed with black and grey ; frons 

 with black bar ; tegulse with black medial line ; patagia with some 

 black scales near upper edge ; tibitis and tarsi black ringed with 

 white ; abdomen grey mixed with brown, the dorsal crests blackish 

 at tips. Fore wing grey irrorated with dark brown and white scales 

 and suffused in parts with purplish fuscous, the costal area, medial 

 area to submedian fold, and terminal area except at apex darker ; 

 subbasal line double filled in with whitish, waved, from costa to 

 submedian fold ; a sinuous black streak below base of cell and 

 another above inner margin before the antemedial line, which is 

 double filled in with white, oblique, waved, bent inwards to inner 

 margin ; claviform small, incompletely defined by black and with 

 diffused black fascia below and beyond it to postmedial line ; 

 orbicular and reniform whitish defined by black and with some 



