78 BULLETIN 38, UNITED STATES NATIONAL MUSEUM. 



Size smaller; color darker, sordid; t. p. liue very even, regular; orbicular 

 large, concolorous, irregular, complete rubifeha. 



Color bright, more yellow; t. p. liue irreguJar; orbicular oblong, oblicjue, 

 opeu superiorly oblata. 



Color even, yellowish browu, veius darker, ordinary spots complete; size 

 small, wiugs narrower kosaria. 



Color sordid gray; lines and spots faintly marked; vestiture unusually hairy, 



RAVA. 



Color blackish; ordinary spots yellowish, contrasting; internal margin iu the 

 (Jpale; primaries narrow, elongate fknnica. 



Color bright carmine or lake to red brown ; costa pale, whitish; ordinary spots 

 small, annulate with white; a dash from base through discal cell black; 



size small 1'LECTA. 



Collar dark purplish black; lines very even pale; cell between ordinary spots 



black COLLARIS. 



Noctua baja. Fabr. 



1787. Fabr., Mant. Ins., Ii, 175, Noctua. 



1701. Oliv., Enc. Meth., viii, 345, Noctua. 



1793. Fabr., Ent. Syst., iii, 2, 709, Noctua. 



1793. Gmel., Ed. Liun., Syst. Nat., 2579, Noctua. 



lir'16. Hub., Verzeichniss, 222, Amathes. 



1834. Hiib., Lep. Eur., Noct. iv, pi. 25, f. 119, Noctua. 



18.52. Gn., Sp. Gen., Noct. i, Noctua. 



1856. Wlk., C. B. Mus., Lep. x, 396, Graphiphora. 



1875. Speyer, Stett. Ent. Zeit., xxxvi, 122, Ag7-otis. 



1876. Grote, Bull, Buff. Soc. N. II., in, 80, Agrotis. 



Luteous to red brown. Transverse lines all evident, little darker 

 than ground color. The costal spots at iucei)tiou of s. t. liue only, 

 black or blackish. Transverse lines geminate. Basal half line distinct. 

 T. a. line, slightly and evenly convex outwardly. T. p. line very even, 

 sinuate, curve over cell very slight. The outer line is marked with 

 darker venular dots. S. t. line narrow, distinct, very even, parallel to 

 outer margin. Ordinary spots large, concolorous defined by a narrow 

 liale annulus and the slightly darker filling of cell. Reniform slightly 

 constricted at middle, inferiorly shaded with blackish. Claviform very 

 short, illy and usually incompletely defined. Secondaries from pale 

 luteous to dark smoky fuscous. Beneath, i)owdered with reddish ; a 

 common dark extfadiscal liue and lunate discal spot. Thorax and head 

 concolorous with primaries; abdomen with secondaries. 



Expands 36-40""" ; 1.44-l.GO inches. 



Habitat. — Europe and United States. 



A wide-winged species with rather long and very slightly waved 

 fringes. Easily distinguished b}^ the reddish color and the prominent 

 costal spots at inception of s. t. line; these are usually, black and in 

 the great majority of specimens the darkest part of the wing. 



A very remarkable amount of variation is found in this species. 

 Lederer says the anterior tibia' are not spinose. In all the American 

 specimens examined spines are distinctly present, though in some cases 

 well hidden by the vestiture. I have been unable to examine European 



