430 N-QCTUID^. 



■with crest ; tegula produced to a slight dorsal ridge : prothorax with triangular- 

 crest ; fore tarsi with five curved claw-like spines on outer side of 1st joint ; 

 abdomen dorsally iiattened, with some rough hair at base and lateral fringes of 

 hair but no crests. Fore wing with the apex somewhat pi-oduced and acute, 

 the termen excurved at middle, then oblique ; veins 3 and 5 from near angle of 

 cell ; 6 from upper angle ; 9 from 10 anastomosing with 8 to form the areole ; 

 11 from cell. Hind wing with veins 3, 4 from angle of cell; 5 obsolescent 

 from middle of discocellulars ; 6, 7 from upper angle ; 8 anastomosing with 

 the cell near base only. 



A. Fore wing with the veins streaked with white sericea. 



B. Fore wing with the veins not streaked with white. 



a. Fore wing grey tinged with ru fous tremula. 



b. Fore wing purplish grey not tinged with rufous jjasz!«%'ca«s., 



2633. HarpaglsBa sericea. (Plate CVI. fig. 9.) 



Gl(sa sericea, Morr. Proc. Bost. Soc. N. K. xvii. p. 151 (1874) ; Smith, 



Cat. Noct. N. Am. p. ::;22. 

 Glcfa venusiula, Grote, Can. Ent. vii. p. 84 (1875); Smith, Cat. Noct. 



N. Am. p. 222. 



Head and thorax purplish grey mixed with dark red-brown ; 

 palpi rufous at sides ; tegul^ with whitish tips preceded bj' a brown 

 line ; abdomen purplish grey tinged with rufous and irrorated with 

 black, with slight pale segmental lines. Pore wing purplish grey 

 more or less strongly tinged with rufous and irrorated with black, 

 the veins finely streaked with white, ' the inner margin whitish 

 with the extreme edge rufous ; subbasal line whitish, straight, from 

 costa to submedian fold with a small dentate whitish mark beyond it 

 in cell ; antemedial line whitish defined by fuscous on outer side, obli- 

 quely curved ; orbicular and reniform defined by whitish, the former 

 oblique elliptical, the latter narrowing below and with black spot in 

 its lower extremity ; a slight medial shade from lower angle of cell to 

 above inner margin ; postmedial line whitish slightly defined by 

 fuscous on inner side, excurved from costa to vein 4, then oblique : 

 subterminal line whitish slightly defined by rufous on inner side and 

 fuscous irroration on outer, angled outwards at vein 7 and excurved 

 at middle ; a series of black points just before termen ; cilia with a 

 fine slightly waved white line through them. Hind wing fuscousi 

 brown with a silky gloss, the cilia tinged with rufous and with fine 

 pale line at base ; the underside grey tinged with purplish pink and 

 irrorated with brown, a small discoidal spot, curved postmedial line, 

 and some points on termen. 



Hah. U.S.A., Massachusetts, New York, 2 J , 2 $ , Maryland, 

 Wisconsin, Illinois, Distr. of Columbia, Middle and Central States. 

 Exp. 42-48 millim. 



2634. Harpaglsea tremnla. (Plate CVI. fig. 10.) 



Glaa tremula, Harv. Bull. BufF. Soc. Nat. Sci. ii. p. 276 (1874) ; Smith, 

 Cat. Noct. N. Am. p. 222. 



2 . Head and thorax grey mixed with purplish brown ; sides of 

 palpi rufous, of frons black ; legs rufous, the spurs banded black and 

 white ; abdomen grey-brown, the anal tuft and ventral surface 



