544 PROCEEDIXGS OF TPIE JTATIONAL MUSEUM vol. 8tJ 



sinuous fine white line expanding at apex; terminal small white 

 streaks on interspaces. Hind wing dull buffy brown; a small white 

 line above anal angle; ciha white. Wings below brownish drab ; fore 

 wing with the costa finely, the termen narrowly pale -vinaceous-pink ; 

 hind wing deep olive-buff, the outer margin broadly brownish drab; 

 the termen vinaceous-pink. 



Expanse, 60 mm. 



Habitat. — Hansa Humboldt, Brazil. 



Type— U.S. l^M. no. 34725. 



Genus NYSTALEA Guenee 



NYSTALEA DAHNI, new species 



Male. — Head and collar saccardo's umber, with a posterior lateral 

 black spot; thorax concealed by the patagia, which are hair brown 

 streaked with fuscous; metathorax blaok with lateral tufts of long 

 white hairs; abdomen dorsally with black tufts at base, the following 

 segments grayish olive with transverse black lines, underneath white, 

 at base faintly vinaceous. Fore wing mostly light cinnamon-drab 

 mottled with light yellowish olive; base narrowly white outwardly 

 edged by a black line from costa to median vein; short antemedial 

 paired lines on costa; a fine medial, sinuous, black line, inbent on 

 inner margin toward base; a subterminal black fine formuig three 

 lunules from costa to inner margin, the two upper lunules proximally 

 edged with white, the upper lunule joined by a dark outbent shade 

 from costa, the middle lunule preceded by a fuscous vertical streak; 

 the small lunule on inner margin with only a Uttle white proximally; 

 the lunules outwardly edged with white on costa and from vein 4 to 

 inner margin; an irregular terminal black line, somewhat dentate before 

 tomns; cilia mostly white wnth black spots. Hind wing white at base, 

 the termen broadly hair browji, the veins postmedially with fine dark 

 lines. Fore wing below yellowish white, the veins from cell finely 

 black; a smoky medial streaky shade; white points on costa before 

 apex; a subterminal black line parallel with termen, which is white 

 with black fines on veins. Hind wing below white with faint yellow- 

 ish suffusions on costa; subterminal small black spots on veins, a 

 larger spot at veins 3 and 4. 



Expanse, 51 mm. 



Habitat. — Espirito Santo, Brazil. 



Type.—V.S.^.M. no. 34711. 



Two paratypcs from the same locality. 



Allied to A'^. multiplex Dognin. 



