REVISION OF SPKOIKS OF THE GENUS AGROTIS. 151 



a poor one and badly rubbed, and would not have been deseril)ed but 

 that it was a male, with the allinities so distinet as to render its recog- 

 nition certain should other specimens be turned up. 



Carneades biclavis (irt. 



1879. Grt., Bull. Geol. Surv., V, 20(), Agrotix. 

 1882. Grt., 111. Essay W.l, Tl. i, f. 12, A<iroti>i. 



Color of primaries pale yellowish gfraj'. Ordinary spots fused; the 

 white orbicular lyin;n' on the ('cll iind enterinj; the ui)ri<j;ht reniform, 

 which is more angulate and less bent than in lagena, and centrally 

 stained with o(;hreous; the ordinary spots edged with black, except 

 sui)eriorly. A black basal dash extends into the long, whitish and 

 prominent claviform, finely edged with fuscous. Median lines oblit- 

 erate. S. t. line indicated by a curved series of interspaceal black 

 marks. Veins inconspicuously and finely marked in white. Second- 

 aries pure white. JJeneath white, slightly fuscous on the cell. Thorax 

 whitish gray. 



Expands 31""" ; 1.2.") inches. 



Habitat. — Arizona. 



This species is unknown to me in nature, but its resemblance to 

 hoJlcmani is so marked that it can be referred nowhere else. Mr. Grote 

 fortunately gives antennal structure of the i which makes the refer- 

 ence more ])ositive. 



Carneades perpolita Morr. 



lS7f>. Morr., Proc. Bost. Soc. Nat. Hist., xviii, 237, Agrotis. 

 1)S78. Lint., Eut. Cont., iv, 12:5, Agrotis. 



Deep shining blackish brown, transverse lines obsolete, ordinary spots 

 con(;olorons, outlined by narrow black lines ; variable in shai>e and occa- 

 sionally connected or even contliuuit. Secondaries smoky fuscous, paler 

 at base. JJeneath smoky, the costal and outer margins of both wings 

 darker. A distinct discal lunule. Head and thorax concolorous. 



Expands 34-37"'"'; 1.35-1.50 inches. 



Habitat. — Northern, Eastern, and Middle States, Maine, New York. 



A very simi)ly marked species, and once sectionally [ilaced entirely 

 unmistakable. I have the type, which is the largest specimen I have 

 .seen, and which has a distinct brown tint, less evident in the other speci- 

 mens. It seems rare, and most of the si)ecimens seen by me have como 

 either from Mrs. Fernald or from ^Ir. Hill. 



Carneades fumalis Grt. 



187:?. Gr'.. Buir. Bull., i, 98, Agrotis. 



1678. Grt., Hull. (Jeol. Surv., iv, 174, Agrotis. 



pcrmnrida Morr. 

 1874. Morr., Proc. Bost. Soc. Nat. Hist., xvii, 10:1, Agrotis. 



Dark ash-gray, uuicolorous; transverse lines distinct, api)arentl7 

 simple. T. a. line outwardly oblique, curved between veins, and be- 



