210 NOCTtriB^. 



2985. Trachea impulsa. (Plate CXIII. fig, 19.) 



Mamestra impulsa, Guen. Noct. i. p. 194 (1852) ; Smith, Cat. Noct, 



N. Am. p. 136. 

 Hadena mixta, Grote, Bull. Geol. Geog. Surr. Terr. vi. p. 264 (1880). 



Head and thorax purplish black with a few white scales ; tarsi 

 ringed with white ; abdomen fuscous black, greyish at base. Fore 

 wing purplish black irrorated with a few white scales ; a slight 

 black streak below base of cell ; subbasal line represented by black 

 striae from costa and cell; antemedial line black, waved, oblique from 

 costa to submedian fold ; claviform small, defined by black ; 

 orbicular and reniform defined by black, the former rather oblique 

 elliptical, the latter with minute white lunula at middle of outer 

 edge with one or two points above and below it ; a medial line 

 oblique from costa to below cell, then approximated to postmedial 

 line which is slightly bent outwards below costa, then dentate, 

 escurved to vein 4, then incurved, some white points beyond it on 

 costa ; subterminal line represented by a series of small wedge- 

 shaped black marks in the interspaces with white points on them ; 

 a terminal series of black points and a series of white points at base 

 of cilia. Hind wing whitish tinged with brown, the veins and 

 terminal half fuscous ; cilia fuscous mixed with whitish ; the under- 

 side whitish, the costal and terminal areas irrorated and suffused 

 with fuscous, a discoidal lunule and sinuous postmedial line. 



Ab. 1., mixta. Pore wing rather browner and more tinged with 

 purple, the reniform with more white, the black marks of sub- 

 terminal line conjoined, somewhat excurved below vein 7 and at 

 middle. 



Hah. Canada, Hudson's Bay (Barnston), 1 c? , 1 $ , Br. Columbia, 

 Kaslo (CocJde,) 1 $ , Revelstoke (Mrs. Niclioll), 1 $ , Fraser E. {St. 

 John), 1 S ; IJ.S. A., Eastern and Middle States, New York, Trenton 

 Falls (Doubleday), 1 c?, 1 $ type, Evans Center (Grote), 1 J , 2 $ , 

 Schenectady (Lintner), 1 $ , Texas, 1 S type mixta, California 

 (WaJsimiham),! <S . Exp, 40-48 millim. 



2986. Trachea bnmnea. (Plate CXIII. fig. 20.) 



Euplexia bnmnea, Leech, Trans. Ent. Soc. 1900, p. 83. 



5 . Head and tegulse rufous mixed with brown ; thorax brown 

 slightly mixed with greyish ; palpi blackish at sides ; Irons with 

 lateral black bars ; legs rufotts and fuscous, the tarsi fuscous ringed 

 with ochreous ; abdomen brown mixed with rufous. Fore wing 

 bright rufous, the costal area to subterminal line, the cell and area 

 just below it on medial area, the medial part of inner area and the 

 terminal area except towards apex suffused with brown ; subbasal 

 line represented by double black strise from costa and some scales 

 above vein J ; antemedial line double, oblique, waved ; claviform 

 small, brown defined by black ; orbicular and reniform brown 

 defined by black, the former round, the latter with white lunule 



