(^36 NOCTUIDJE. 



series of black points. Hind wing fuscous brown ; the cilia grey 

 with a brown line through them ; underside with the costal area 

 grey irrorated with black. 



Hah. U.S.A., Colorado (Snoiu), 1 c^ type, 'New Mexico, Arizona. 

 Exp. 36 millim. 



1095. Triphsena discoidalis. (Plate LXXYII. fig. 9.) 



Agrotis discoidalis, Grote, Bull. Buff. Soc. Nat. Sci. iii. p, 82, pi. 4. f. 9 

 (1876) ; Smith, Cat. Noct. N. Am. p. 56. 



5 . Head and thorax ochreous brown, with a few black scales on 

 patagia ; palpi black at sides, pale at tips; antennae blackish; 

 abdomen grey-brown ; pectus, legs, and ventral surface of abdomen 

 irrorated with dark brown. Fore wing grey irrorated with black ; 

 the costal area pale yellow -brown to the postmedial line; the sub- 

 basal line black, curved from costa to submedian fold, defined by 

 pale brown on outer side and with a blackish mark beyond it on 

 costa; the autemedial line double, irregularly dentate, more strongly 

 inwards on vein 1 ; claviform with its extremity defined by black ; 

 orbicular and reniform greyish defined by black, the former small, 

 elliptical, almost complete above, the latter incomplete below, the 

 cell black before and between them ; the postmedial line double, 

 waved, bent outwards below costa, slightly incurved in discal fold 

 and incurved below vein 4, the area between it and subterminal 

 line suffused with fuscous, this line being minutely waved and 

 slightly excurved at vein 7 and middle ; a terminal series of black 

 points. Hind wing pale brown, the cilia whitish with a brown 

 line through them ; the underside whitish irrorated with brown, 

 an indistinct discoidal spot, sinuous postmedial line, and dift'used 

 subterminal line. 



Hah. U.S.A., Oregon, Portland, jSTevada, California, Sierra 

 Nevada, 1 $ type. Exp. 36 millim. 



1096. Triphsena placida. (Plate LXXVII. fig. 10.) 



Agrotis placida, Grote, Ann. Lye. Nat. Hist. N.Y. xi. p. 305 (1876) ; Smith, 

 Cat. Noct. N. Am. p. 52. 



Head and thorax dark brown, irrorated with a few whitish scales 

 or mixed with grey ; palpi whitish at tips ; abdomen fuscous brown, 

 the anal tuft tinged with fulvous ; pectus, legs, and ventral surface 

 of abdomen whitish irrorated with fuscous. Fore wing dark brown 

 or rufous or grey, suffused in parts with rufous or dark brown, and 

 with some black irroration ; double, waved, subbasal and ante- 

 medial lines ; orbicular and reniform with grey annuli defined by 

 brown; a medial shade; the postmedial line double, minutely 

 dentate and produced to slight points on the veins, bent outwards 

 below costa, excurved to vein 4, then incurved ; the subterminal 

 line grey, slightly angled outwards at vein 7 and excurved at middle, 

 the area beyond it paler or grey; a terminal series of dark points. 

 Hind wing fuscous brown, the cilia whitish at tips ; the underside 

 with discoidal lunule and curved postmedial line. 



