274 NOCTtllDJi. 



the discoidal lunule and a curved subterminal line usually 

 prominent. 



Hah. U.S.A., Colorado (/S'nott;, Bruce, CocJcerell), 5 cJ, 1 $ type, 

 Nevada. Exp. 36 millim. 



487. Euxoa dissona. (Plate LXV. fig. 7.) 



Agrotis d.issona, Moschl. Wien. ent. Mon. iv. p. 365, pi. 9. f. 4 (1860) ; 



Smith, Cat. Noct. N. Am. p. 101 ; Staud. Cat. Lep. pal. p. 149. 

 Agrotis rara, Pack. Proc. Post. Soc. N. H. xi. p. 38 (1868). 



5 . Head, thorax, and abdomen grey tinged with brown, pectus 

 with the hair blackish ; legs and ventral surface of abdomen dark 

 brown, woolly. Fore wing grey, suffused with brown and with a 

 slight lilac tinge ; the lines indistinct ; the subbasal line extending 

 from costa to vein 1 ; the antemedial line bent outwards in sub- 

 median fold ; claviform indicated by some brown scales ; orbicular 

 and reniform very indistinct, concolorous, moderate in size, and with 

 a quadrate brown patch between them in cell ; the postmedial line 

 minutely crenulate, angled outwards at veins 7 and 5, then oblique ; 

 the terminal line indicated by slight dark dentate marks ; a terminal 

 series of black points. Hind wing pale brown. Underside of both 

 wings with distinct discoidal lunule and traces of curved postmedial 

 line. 



Hah. Canada, Labrador, 1 $ Grote Coll. Exp. 34 millim. 



488. Euxoa vetusta. (Plate LXV. fig. 8.) 



Mamestra vetusta, Wlk. sxxii. 662 (1865); Smith, Cat. jVoct. N. Am. 



p. 101. 

 Lepipolys tetra, Wlk. xxxiii. 768 (1865). 



Agrotis euroides, Grote, Proc. Ac. Nat. Sci. Phil. 1874, p. 202. 

 Agrotis -perfura, Morr. Proc. Post. Soc. N. H. xvii. p. 164 (1874). 



Head and thorax white with a slight bluish tinge, mixed with 

 brown scales : palpi and frons at sides with some black scales ; tegulse 

 with medial black line, the basal half mixed with black; patagia 

 often with some black scales on edges ; the prothoracic crest at base, 

 the tibise and tarsi with some rufous scales and largely mixed with 

 black above ; abdomen grey, largely mixed with fuscous and with 

 some rufous at sides and below. Fore wing white with a slight 

 bluish tinge, and irrorated with fuscous ; the subbasal line black, 

 excurved below costa, angled outwards at median nervure and 

 extending to vein 1 ; the antemedial line double, waved ; the clavi- 

 form outlined with black ; the orbicular and reniform concolorous, 

 defined by black, the former somewhat oblique, elliptical, the latter 

 large, its centre defined by fuscous, a quadrate black-brown patch 

 in cell between them; an indistinct medial rufous line from cell to 

 inner margin ; the postmedial line strongly dentate, bent outwards 

 below costa, excurved to vein 4, then oblique, and with traces of 

 another line beyond it ; the subterminal line represented by a very 

 indistinct sinuous series of small dentate marks ; a prominent 



