TKIPHiENA. 633 



line and usually black tips ; thorax with some of the scales some- 

 times grey-tipped ; abdomeu fuscous or brown ; the ventral surface 

 irrorated with grey. Fore wing grey-brown or reddish brown, the 

 costal area to postmedial line grey or ochreous, or in the redder 

 specimens rufous ; the subbasal line double from costa to submedian 

 fold, where there is a short black streak beyond it ; a double 

 obliquely waved antemedial line, more strongly exeurved above 

 inner margin; claviform usually present, elongate and defined 

 by whitish ; orbicular and reniform defined by whitish, the 

 former open V-shaped, its inner arm running back to the 

 antemedial line, the latter moderate, the cell before and below 

 them and below the orbicular usually black ; the postmedial line 

 double, minutely waved, bent outwards below costa, exeurved to 

 vein 4, then incurved, and with series of black points on the veins 

 beyond it ; the subtermiual line greyish, defined on each side by 

 fuscous, slightly angled outwards at vein 7 and exeurved at middle, 

 with blackish patch before it at costa ; a terminal series of black 

 points usually present. Hind wing fuscous brown ; the cilia 

 whitish with brown line through them ; the underside with 

 discoidal spot and curved postmedial line. 



A. Tegulae black at tips. 



a. Pore wing with black streak below base of cell. 



Ab. 1. facula. Fore wing with the cell filled in with black. 



Ab. 2. Fore wing with the cell not filled in with black. 

 h. formalis. Fore wing without black streak below base of 

 cell. 



B. Tegulae with the tips concolorous. 



Ab. 3. Fore wing with the cell filled in with black. 



Ab. 4. Fore wing with the cell not filled in with black. 

 Hah. Canada, Br. Columbia, Vancouver, 1 $ , type insularis ; 

 U.S.A., Washington Terr., 1 S , Oregon, The Dales, 1 $ , Nevada, 1 $ , 

 California (WalsingJiam'), 2 J , 1 5, Sanzalito, S. Joachim, 6 (^ , 

 2 5 , type and types facula and emarginata. Exp. 36-38 millim. 



*1089. Triphsena vittifrons. (Plate LXXVII. fig. 4.) 



Noctim vittifrons, Grote, Proe. Ent. Soc, Phil. iii. p. 527, pi. 5. f. 6 (1864) ; 

 Smith, Cat. Noct. N. Am. p. 54. 



2 . Head and thorax ochreous mixed with black-brown ; palpi 

 whitish at tips ; tegulse whitish, pale rufous at tips ; patagia 

 fuscous ; thorax fuscous and whitish ; abdomen fuscous and grey. 

 Fore wing fuscous ; the costal area creamy white slightly irrorated 

 with fuscous to beyond middle ; orbicular and reniform indicated 

 by slight creamy marks ; subterminal line indistinct, pale, slightly 

 angled outwards at vein 7 and exeurved at middle ; a slight 

 terminal series of dark points ; cilia with whitish line at base. 

 Hind wing semihyaline white ; the veins and terminal area slightly 

 tinged with fuscous ; the underside with the costal area irrorated 

 with fuscous. 



Hah. U.S.A., Colorado, Glenwood Springs {Bruce), in U.S. Nat. 

 Mus. Exp. 34 millim. 



