ETJXOA. 335 



streak below the cell from base to vein 2, orbicular and reniform 

 ■with brownish centres and white annuli defined by black and with 

 some dark brown suffusion in cell between them ; the orbicular 

 elongate, pyriform, conjoined or almost conjoined to the inner edge 

 of the reniform ; a streak of brownish suffusion from the reniform 

 to termen ; the veins of terminal area with dark streaks ; a terminal 

 series of dentate brown marks in the interspaces and a series of 

 black points on termen. Hind wing white; the veins and terminal 

 area more or less strongly tinged with brown ; the underside with 

 the costal area irrorated with brown ; a postmedial series of short 

 streaks on the veins. 



Hah. U.S.A., Montana, Colorado, California, Arizona, Utah, 

 Nevada, 2 5 type. Exp. 40-44 millim. 



597. Euxoa albalis. (Plate LXVII. fig. 27.) 



Agrotis albalis, Grote, Bull. Geol. Stirv. iv. p. 175 (1878) ; Smith, Cat. 



Noct. N. Am. p. 80. 

 Agrotis cloanthoides, Grote, Bull. Geol. Surv. vi. p. 153 (1880). 



5 . Head and thorax white mixed with grey-brown ; abdomen 

 white, dorsally tinged with brown and ventrally irrorated with 

 brown. Fore wing white, strongly irrorated with grey-brown; the 

 lines obsolete ; blackish streaks from base in and below cell ; the 

 orbicular represented by an indistinct dentate white mark slightly 

 defined by black ; the reniform by a small very indistinct white 

 annulus ; the subterminal line represented by three fuscous dentate 

 marks below costa and two on veins 3, 4, with large diffused white 

 patches on their inner sides ; cilia chequered fuscous and white. 

 Hind wing white, the veins and terminal area irrorated with grey ; 

 the underside with the costal and terminal areas irrorated with 

 grey-brown. 



Ab. 1. doanthoides : whiter. 



Bab. U.S.A., Colorado, Nevada, 1 5 type. Exp. 40 millim. 



*598. Euxoa aethes. 



Agrotis aethes, Mab. Bull. Soc. Philom. (7) ix. p. 62 (1885); id. N. Arch. 

 "Mus. (3)i. p. 149, pl.x. f. 7. 



S . Head and thorax ochreous white ; tegulse and patagia edged 

 with black and yellow-brown or rufous ; abdomen ochreous white, 

 slightly tinged on dorsum with rufous. Pore wing ochreous white, 

 suffused from before middle to termen with pale yellow-brown or 

 greyish mixed with red and fuscous in and near cell and near middle 

 of termen, leaving the costal area pale to the postmedial line ; a 

 black streak in submedian fold from base to the claviform, which is 

 ochreous defined by black, and elongate ; orbicular and reniform 

 ochreous defined by black, the former small or moderate, and ellip- 

 tical, the latter large, open above, and angled inwards on median 

 nervure ; postmedial line very indistinct, excurved from costa to 

 vein 4, then incurved ; subterminal line blackish, obsolescent except 

 at middle, angled outwards at vein 7 and excurved at middle, in 



