Morrison.] 118 [June 16, 



ish ; the spots are very large, subquadrate, white and contrasting, 

 and with continuous black annuli; median shade indistinct; the 

 exterior line dentate, and not very well marked; subterminal line 

 whitish, conspicuous, with two Hadena-like teeth, and preceded by a 

 very black, conspicuous shade band; terminal space light; a series of 

 black dots at the base of the fringe. Posterior wings whitish, some- 

 what iridescent, with a broad, black border. Beneath cinereous 

 gray, with indistinct markings. 



Hab. Eocky Mountains. From the collection of Prof. Julius E. 

 Meyer. This species belongs to the Enrols group of Agrotis. 



Mamestra repentina nov. sp. 



Expanse, 32 mm. Length of body, 15 mm. 



Eyes hairy. Abdomen with a single middle dorsal tuft. Thorax 

 gray, mottled with black. Collar with a transverse black line. An- 

 terior wings light gray, with all the lines and spots present ; half-line 

 distinct; the interior line black, lobate and geminate, the median 

 shade very wide, black and dentate, running between the ordinary 

 spots; claviform spot small, black and linear; the ordinary spots 

 light and contrasting, the orbicular round, the reniform larger, 

 kidney-shaped ; the median space is olivaceous green ; the exterior 

 line is dentate, of the usual shape ; a dark shade on the costa before 

 the subterminal line; the latter is but little distinct, preceded by a 

 few isolated black spots; the geminate lines all enclose yellowish 

 shade lines; the fringe bicolorous, yellow and white, and with the 

 outer white portion checked with black. Posterior wings gray, 

 lighter at the base. Beneath gray, nearly unicolorous. 



Hab. West Hoboken, N. J. From the collection of Prof. Julius 

 E. Meyer, of Brooklyn, N. Y. 



Allied to Mamestra palilis Harvey, but the better defined markings 

 and the different colors of the ground will separate it. 



Mamestra ectypa nov. sp. 



Expanse, 30 mm. Length of body, 14 mm. 



Eyes hairy. Abdomen of the male short, with only a small dorsal 

 tuft on the basal segment. Palpi well clothed, of the ordinary form 

 in this genus. Thorax dark, concolorous with the anterior wings; 

 the collar with a black, transverse line above. Anterior wings dark 

 olivaceous gray, with all the markings very distinct and conspicuous; 

 half-line present ; interior line geminate, black and well-lobed, en- 

 closing a bluish shade line; the ordinary spots of usual size, lighter 



