176 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxv. 



2. Ordinary spots both obvious, transverse posterior line of primaries geminate. 



Group Pseudargyria. 



Orbicular always absent; reniform reduced to a black or white dot or altogether 



wanting 3 



3. Collar without marking of any kind Group Pallens. 



Collar white iuferiorly, or at least much paler than ujjper half... Group Albilmcn. 

 Collar with transverse lines of different colors, culminating in a broad purplish 



band below a whitish tip Group Jundcola. 



Collar with one, two, or three transverse dusky lines 4 



4. Primaries narrow, elongate, apex acute, outer margin slightly excavated to vein 



2, and there obtusely angulated; jirimaries strigate, no prominent maculation. 



Group Extincta. 

 Primaries trigonate or obtuse, apex not acute, not subfalcate below 5 



5. Median vein obscured by a dusky shade, marked by a white spot at its end. 



Group Subpimctata. 

 Median vein white or at least concolorous, and not obscured by a dusky shade. 6 



6. Rather slight, small species, vestiture with a scaly admixture; a dark shade extends 



through the c!enter of the primaries from base to outer margin Group Ligaia. 



Robust, stout species, vestiture hair or flattened hair; no dark shade extending con- 

 tinuously from base to outer margin 7 



7. Primaries obtuse, broader, very much rayed or streaky; median vein w^hite, not 



obviously margined by a darker shade; no black discal dot; transverse posterior 



line always complete .' Group Insueta. 



Primaries narrower, more trigonate, with marked apex; streaking not contrasting 

 and tends to disappear; median vein, if white, marked by an accompanying 

 dusky shade below it; if maculate at all, discal black dot is present; transverse 

 posterior line rarely complete and tends to disappear altogether. 



Group Phragmalidicola. 



LEUCANIA LUTINA, new name. 



Leucania vdutina Smith, Proc. U. S. Nat. Mus., XXII, 1900, p. 480. 



Ground color reddish luteous, washed with red brown, especially 

 beyond the middle of primaries. Thorax with a narrow, sharp crest; 

 disk carneous. Palpi reddish gra}^ above, deep velvety brown at 

 the sides. Abdomen washed with carmine red. Primaries with an 

 irreg-ular, diffuse, purplish shade along the submedian vein. Basal 

 line vaguely indicated. Transverse anterior line narrow, single, yel- 

 lowish, a little oblique outwardly to the middle, and then with a small 

 angle a little oblique inwardly. Transverse posterior line forming an 

 acute angle just below the costa, then evenl}^ oblique to the hind 

 margin; narrow, pale, margined on each side by darker red brown. 

 Subterminal line narrow, yellowish, irregular, preceded b}^ a few 

 small, obscure dark spots, the terminal space a little paler than the 

 rest of the wing. Fringes rust red. A vague dusky median shade 

 line is marked below the cell. Orbicular moderate in size, a little 

 irregular, annulate with yellow. Reniform of good size, oblique, 

 oblong, sides outlined in j^ellow, upper and lower margins obscure. 

 Secondaries semitransparent at base, blackish outwardly, with car- 

 mine interlined fringes and a carmine wash on the disk. Under side 



