492 [June 



blackish shades in the male, which are wanting in the female, where 



these parts are covered with unicolourous pale squammation. Exp. % 



1.05 to 1.10 inch. 9 1.05 inch. 



Habitat. — Colorado Territory. (Coll. Ent. Soc. Philad.) 

 Resembles Agrotis acuminifera Evers. sp., from Russia ; our species 



is smaller however, and perfectly distinct. 



Agrotis cicatricosa, n. sp. (Plate 3, fig. 4, 9 •) 



Resembles the foregoing in size, general appearance and coloration. 

 Largely shaded with testaceous whitish ; costa dark greyish with paler 

 markings indicating the commencement of the transverse lines. Basal 

 line apparent interiorly, bordered with a dark shade ; subcostal vein 

 covered diffusely from the base to the subterminal space with a testa- 

 ceous whitish stripe, which is concolorous with the ordinary spots and 

 is fused with them superiorly. Orbicular spot oblique, with a faintly 

 darker interior ringlet; reniform much attenuated and excavated out- 

 wardly. Transverse anterior line, similar to basal line, whitish testa- 

 ceous, visible inferiorly, followed by a blackish shade. A broad testa- 

 ceous dash in the interspace below the fourth median nervule. Trans- 

 verse posterior line narrow, black, regularly undulate between the 

 veins; subterminal space rather dark testaceous; subterminal line tes- 

 taceous, preceded by blackish cuneiform marks between the veins. 

 Terminal space dull blackish ; apex testaceous ; fringes dark testace- 

 ous, paler at base. 



Posterior wings white with a slight even testaceous shade, immacu- 

 late ; fringes pure white. 



Under surface of both wings white, immaculate, with a very faint 

 and undecided testaceous tinge. 



Antennae simple; " collar" with a central dark line, above which it 

 is brownish, below pale. Thorax with mixed greyish and olivaceous 

 blackish hair; tegulae pale, with testaceous brown marginal lines. Ab- 

 domen whitish testaceous. Head covered with very pale scales on the 

 clypeus, darker above on the epicranium and occiput. The thoracic 

 region beneath, legs and palpi are clothed with whitish hairs, which on 

 the two latter parts become mixed with greyish. 9 Exp. 1.10 inch. 



Habitat. — Colorado Territory. (Coll. Ent. Soc. Philad.) 



Mr. James Ridings brought these species from the Territory last 

 year, together with other Lepidoptera already noticed in different arti- 

 cles in these pages. 



Compared with a 9 specimen of Agrotis quailridentata, nob., the 

 present species differs as follows : the anterior wings show more of the 



