LEPIDOPTERA HETEROCERA. 1625 



apice et segmentorum marginibus posticis cinereis ; tibice 

 posticce non incrassatce ; alee latiusculcb,fusco conspersce, lineis 

 quinque fuscis, la interrupta, 2a Aaque latiusculis subundu- 

 latis, Sa punctulari, ba pallidiore indistincta, punctis margin- 

 alibus fuscis elongatis ; anticce vix acutce. 



Male. Dark cinereous. Head black, except the vertex. Palpi 

 porrect, black above, not extending beyond the head. Antennae 

 densely setose. Abdomen brown, cinereous at the base and at the 

 tip; a cinereous band on the hind border of each segment. Hind 

 tibiae slender ; hind tarsi long. Wings brown-speckled, rather 

 narrow, with five brown lines ; first line near the base, incomplete ; 

 second and fourth slightly undulating, rather broad; third composed 

 of points ; fifth paler, indistinct ; marginal points brown, trans- 

 versely elongated. Fore wings hardly acute ; exterior border slightly 

 convex, rather oblique. Length of the body 2\ lines ; of the wings 

 7 lines. 



a. North America. From Mr. Carter's collection. 



AciDALIA? ALBIFERA. 



Faem. Alba ; palpi porrecti, caput non super 'antes ; ala> semihya- 

 lina, latiusculce, lineis quatuor pallide ochraceis angulosis 

 interruptis indistinctis ; anticce subacutce ; postica margine 

 exteriore vix angulato. 



Female. White. Palpi porrect, slender, not extending beyond 

 the head. Antennae and legs slender. Abdomen shorter than the 

 interior border of the hind wings. Legs slender. Wings semihya- 

 line, rather broad, with four indistinct zigzag interrupted pale och- 

 raceous lines. Fore wings slightly acute ; exterior border convex, 

 moderately oblique. Hind wings with the exterior border very 

 slightly angular in tl^e middle. Length of the body 2% lines ; of 

 the wings 9 lines. 



a. North America. From Mr. Carter's collection. 



ACIDALIA NATARIA. 



Mas. Cinerea ; caput nigrum, vertice pallide; ala sat angusta, 

 lineis quinque indistinctis subangulosis subobscurioribus, 

 puncto medio nigro, linea postmedia e punctis parvis nigris. 



