^%h^'J PROCEEDINGS OF THE NATIONAL MUSEUM. 269 



Mamestra sutrina Grt. 

 1881. Grt,, Papilio, i, 5 ; Mamestra. 



"This species is similarly sized with the Californian cuneata, but a 

 little slighter body. It is deep brown, cut aud lined with white, and 

 wants all yellowish markings, aud is thus differently colored from its 

 ally. It differs in markings by the absence of the dots following the t. 

 p. line and by the whHe lunulate s. t. line. Lines double, filled in with 

 white. Keuiform aud orbicular subequal, approximate, white ringed. 

 Clavitbrm outlined in black, beyond it a white spot. A dark line upou 

 submediau fold. Median lines lunulate, uneven, approaching inferi- 

 orly. Black iuterspaceal marks precede the white s. t. line. Half-line 

 marked. T. a. line nearly perpendicular, marked by a black outer 

 line and preceding white shade. T. p. line outwardly bent above, 

 drawn in below vein 4, well removed outwardly. Beneath, fuscous. 

 Hind wings irrorate with whitish, with discal dot and transverse line; 

 above, secondaries with da*ker border aud slightly paler base. Eyes 

 hairy. Body tufted. Expanse S 30"'"'. Colorado." 



Mamestra ferrealis Grt, 

 1883, Grt,, Cuu. Eut., xv, 29; Mamestra. 



"Allied to Mamestra cinnabarina var, ferrea, but larger, bright 

 brown. Orbicular circular, bright brown, with central dot. Keuiform 

 upright, very slightly medially constricted, with a central line hooked 

 into two dots. T. p. line double, black, with white included shade. 

 Subtermiual space washed with whitish, leaving a brown patch atcosta. 

 Terminal space narrow, brown at apex, afterward blackish. Sub- 

 terminal line whitish, preceded by a narrow brown shading. A black- 

 ish shade between the stigma on cell, A blackish shade on costa over 

 subbasal space. Basal half-line white. A broad shade submedially 

 across median space, deepening before t. p. line, where it is cut by the 

 brown median shade. Hind wings fuscous, with extramesial Hue. 

 Beneath, i^rimaries purply brown, with a black costal shade outside of 

 the common extramesial line. Thorax rather pale, collar aud teguUie 

 with black lines. Abdomen tufted, reddish, fuscous, somewhat brighter 

 beneath. Montana. Mr, H, K. Morrison." 



Mamestra dimmocki Grt. 



1875, Grt., Proc, Ac, Nat, Sci,, 1875, 420; Mamestra. 



" 9 . Allied to subjiincta G. and E. Of the same blackish-brown color, 

 differing by being darker aud more reddish, by the absence of the 

 median dash, and the want of the prominent W mark to the subtermi- 

 ual line. Collar with a black line. Fore wings with a short distinct 

 black basal dash. Median lines blackish, indistinct, lunulate, approxi- 

 mate. Orbicular large, luniforn), excavate on the inner side. Keui- 

 form large, medially constricted, shaded with blackish over the median 



