636 NOCTTJID^. 



series of black points. Hind \i-mg fuscous brown ; the cilia grey 

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

 grey irrorated with black. 



JIah. U.S.A., Colorado (Snotu), 1 cj type, l^ew Mexico, Arizona. 

 E,vp. 36 millim. 



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



Agrotis dkcoidalis, GiMte, 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 antemedial 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 belo\\- vein -A, the area between it and subterminal 

 line suffused with fuscous, this line being minutely waved and 

 slightly excurvcd 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 diftused 

 subterminal line. 



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

 Nevada, 1 $ type. Exp. 36 millim. 



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



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

 Oat. 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 grej-, 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. 



