TEIPHiENA. 637 



Hah. Canada, Eenfrew Co., 2 cS ; U.S.A., Maine, New York, 

 Lewis Co., 1 S t3'pe, Utah, Kevada, Colorado (Snow), 1 (5 , 2 $ , 

 New Mexico, Arizona. Exp. 30-36 millim. 



1097. Triphsena variata. (Plate LXXVII. fig. 11.) 



Agrotis variata. Grote, Bull. Buff. Soc. Nat. Sci. ill. p. 83, pi. 4. f. 12 



(1876) ; Smith, Cat. Noct. N. Am. p. 53. 

 Agrotis varix, Grote, Bull. Buff. Soc. Nat. Sci. iii. p. 83 (1876). 

 Agrotis orbis, Grote, Bull. Buff. Soc. Nat. Sci. iii. p. 83 (1876). 



Head and thorax dark red-brown, irrorated with a few grejr 

 scales ; palpi black, pale at tips ; pectus, legs, and abdomen brown 

 mixed with gre}-. Fore wing dark red-brown ; double, waved, 

 subbasal, antemedial, and postmedial lines filled in with grey, and 

 with black points on each side of them at costa, the 1st ending at 

 submedian fold, the 2ud oblique, the last bent outwards below 

 costa, slightly incurved in discal fold and incurved below vein 3 

 and with grey points beyond it on the veins ; the orbicular and 

 reniform indistinctly defined by grey, the former small, round, the 

 latter sometimes filled in with blackish ; the subterminalline angled 

 outwards at vein 7 and excurved at middle, the area beyond it pale 

 grey ; a terminal series of black points. Hind wing fuscous brown, 

 the cilia whitish with brown line through them; the underside 

 grey-brown irrorated with black, the costal area tinged with red ; 

 a black discoidal lunule and curved postmedial line. 



Ab. 1. orbis. More uniform grey-brown. 



Ab. 2. Ground-colour grey ; hind wing paler. 



Hab. Canada, Vancouver I., 1 5 type varLv ; U.S.A., Colorado, 

 2 5 , Glenwood Springs, Nevada, California, Sierra Nevada, 2 c? 

 type orbis. Exp. 40 miUim. 



1098. TriphaBna alternata. (Plate LXXVII. fig. 12.) 



NoctiM alternata, Grote, Proc. Ent. Soc. Phil. iii. p. 526, pi. 5. f. 8 (1864) ; 

 Smith, Cat. Noct. N. Am. p. 53. 



Head and thorax ochreous or reddish brown, sometimes irrorated 

 with fuscous ; palpi rufous at sides, pale at tips ; abdomen ochreous 

 or reddish irrorated with black, thickly on dorsum, the hair at sides 

 and anal tuft rufous. Pore wing greyish, more or less strongly 

 tinged with chestnut or purplish red and irrorated with black ; 

 distinct double, waved, subbasal, ante- and postmedial lines, the 

 1st extending to submedian fold, the 2nd oblique, and the last bent 

 outwards below costa, slightly incurved at discal fold and incurved 

 below vein 4, with a series of points on the veins beyond it ; 

 orbicular and reniform defined by grey, the former oblique, 

 elliptical, the latter with its lower part filled in with fuscous ; the 

 subterminal line angled outwards at vein 7 and excurved at middle, 

 the area beyond it paler ; a terminal series of black points. Hind 

 wing fuscous brown, the cilia pale with a brown line through them ; 

 the underside reddish ochreous irrorated with black, a black 

 discoidal spot and curved postmedial line. 



