SEPTEMBER, 1859. 53 



middle of the inner margin tinged with the same hue ; with 

 a deep fuscous spot at the end of the disc, and two others of 

 the same hue rather indistinct, one in the fold beyond the 

 middle, the other on the disc and a little posterior to it. 

 Sometimes the dull yellowish hue prevails, freely dusted with 

 deep fuscous and with the spots more distinct than in the 

 darker specimens. Hind-wings bluish, shining gray, with 

 the cilia of the same hue. 



Exp. al. 5-50 to 5-60 lines. 



Imago on wing in September. 



jT. variatella* Palpi pale yellow, blackish externally. 

 Head yellowish-white. Thorax gray, with tegulas black, 

 tipped behind with gray. Abdomen blackish. Antennas 

 blackish-brown. Fore-wings whitish, varied with dark 

 brown and blackish; with a dark brown streak containing 

 blackish scales, curving somewhat from the costa at the base 

 to the fold; with a blackish-brown spot on the fold rather 

 before the middle, slightly connected with one of the same 

 hue nearer the base on the costa ; with a dark brown, some- 

 what oblique patch about the end of the disc and one at the 

 tip of the wing, and with the apical portion dusted with the 

 same hue ; a few white spots on the cilia of the inner margin, 

 and on the costa behind the discal patch; before the discal 

 patch are two well-marked white spots on the costa, the one 

 nearest the discal patch having a blackish central dot ; the 

 inner margin, toward the base, white, varied with dark brown 

 striae ; cilia grayish. Hind-wings dark brown, rather tinged 

 with reddish, cilia the same. 



Exp. al. 5*5 lines. 



Imago on wing in September. 



XYLESTHIA. 



Head roughly haired. Ocelli none. Eyes round, visible 

 in front. Antennae filiform, with whorls of scales on each 

 article, and the basal joint with a tuft of scales in front that 



This is probably T. granella, L. H. T. S. 



