178 XOCTCIO.K. 



•230<>. Oncocuemis griseicoUis. (I'lutc C. lig. 3L'.) 



Ov.yurmis </'i»./.-.<//i.., tiroto. Can. KiU. xiv. p. 19 (1882); Smitl. Pdl 

 Noel. N. Am. p. U",y. 



Head l)liick : thorax wliitisli prey ; abdomen whitish. Fore 

 wins; whitish sparsely irrorated with hhick, the markinprs very 

 indistii\(t ; subhasal line ah.sent ; antcmedial line faint, tine, 

 blackish, erect: claviform slight: orbicular and reniform s^liphtly 

 detined hy black, the former round, the latter constricted at middle, 

 with a blackish streak fr<mi it to termon : postniedial line hardly 

 tracealile ; terminal area with slight dark streaks. Kind wing 

 whitisli and semihyaline, 



//flA. U.S.A., Arizona. Kq^. 25 raillim. This species is 

 unknown to mc, figured from drawing from specimen in U.S. 

 ^'at. Mus. 



2307. Oncocuemis uigrocaput. (Plate C. fig. 25.) 



0}ir<iciic7nis niqri'capul. Smith. Trans. Am. Ent. See. xxi. p. 07 (1804); 

 Dyar, Cat. Lep. N. Am. p. 127. 



S . Head, thorax, and abdomen ochreous white, 3rd joint of 

 palpi, frons, and antenna^ black ; tegula) with slight black line near 

 base ; fore and mid tibiie blackish above ; tirsi banded with black. 

 Fore wing ochreous white irrorated with pale brown : a minute 

 black streak on base of median nervure ; a black fascia below the 

 cell to beyond middle, narrowing to extremity: a ])lack fascia in 

 diseal fold from middle of cell to termen narrowing to extremities ; 

 slight black streaks in interspaces of terminal area ; no traces of 

 lines or stigmata. Hind wing white, the veins and tcrmen slightly 

 tinged with ochreous. 



llah. U.S.A., Colorado, Glenwood Springs, 1 ^ . Exp. 3G millim. 



2308. Oncocuemis atricolaris. (Plate C. fig. 2G.) 



Hionohndena a/rico//aris, Ilarv. Bull. Butl". Soc. Nat. Sci. ii. p. 273 (1874) ; 

 Smith, Cat. Noct. N. Am. p. 102. 



(S . Head and thorax fuscous brown ; tegulaj deep black at; ba.so 

 dcfineil by white above, the tips with some white scales; abdomen 

 paU> ochreous brown. Fore wing whitish tinged with pale brown and 

 thickly irrorated with dark brown ; subhasal and antemedial lines 

 represented by slight blackish marks oncosta ; a fine black streak 

 below basal hiilf of costa defined by white below; a diffused black 

 fascia below the cell conHuent with tlu- claviform, which is elongate 

 and defined by black; a black streak in lower end of cell; orbicular 

 and reniform' almost obsolete ; postniedial line represented by a 

 small Idack mark on costa and a rather indistinct incuiTed line 

 from vein 4 to inner margin ; a strong black streak below vein 5 

 from lower angle of cell to tennon towards which it is finer; 

 terminal area with a series of black streaks in the interspajces, 

 longer above and below vein 6 ; sul)tcrminal line absent ; cilia 

 chequered brownish and black. Hind wing white, the veins 



