NATURAL SCIENCES OF PHILADELPHIA. 5? 



interior line perpendicular, geminate ; claviform and orbicular spots 

 absent, the reniform distinct, black with an irregular pale annulus ; 

 median shade distinct; the exterior line reduced to a series of black 

 dots on the nervules ; terminal space dark-brown. Posterior 

 wings white, with a faint discal dot. 



Beneath light gray, with discal dots and traces of the median 

 lines ; the basal and median spaces on the anterior wings blackish. 



Hab. Colorado, Nebraska. 



Our type of this species was defective and rubbed ; the recent 

 receipt of several specimens in fine condition enables us to give a 

 complete description. 



We consider it our representative of the European A. corticea. 



Agrotis plagigera, Morr. 



Proc. Bos. Soc. Nat. Hist., vol. xvii. p. 163, 1874. 



Our type of this species was captured in Colorado ; we have since 

 received specimens from other localities which show that it is also 

 found in other Western States. It is allied to A. 4 dentata and 

 A. messoria, and it is possible that it may ultimately be con- 

 sidered a variety of the former. The ground color of the anterior 

 wings light-gra}^, slightly tinted in the median space with ochre- 

 ous; the costa is light and the nervures dark, accompanied by 

 faint whitish shades; the half-line and the median lines are gemi- 

 nate, denticulate, and distinct, the median shade simple, but also 

 distinct; the subterminal line is light, preceded by a series of 

 cuneiform black markings; the terminal space blackish; the spots 

 are all present, the orbicular and reniform large and whitish, with 

 gray annuli, the claviform concolorous, black-edged, and con- 

 spicuous. 



The posterior wings gray, with a darker diffuse terminal shad- 

 ing. 



Hab. Colorado, Kansas, Illinois. 



Agrotis redimicula, Morr. 



A. redimacula (err.), Morr., Proc. Bos. Soc. Nat. Hist., vol. xvii. p. 1G5 

 (1874). 



Since describing this species we have obtained specimens from 

 widely separated places which show it to be spread over the 

 Eastern, Middle, and Western States. 



The following are some of these localities: Colorado (T. L. 

 Mead) ; Missouri (C. V. Riley) ; New York (T. L. Mead); Long 

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