96 Mr. W. Scliaus on 



preceded by a greyish and a dark line; tlie postmedial out- 

 curved from costa above reniform, angled at vein 5 and 

 slightly incurved^ the inner part heavily marked, the outer 

 part very fine; the siibterminal broad, irregular, with 

 branches to terminal line, and crossed by a faint brownish 

 line; the terminal line outwardly lunular; cilia dark grey, 

 shaded with brown. Hind wings grey-brown, tinged with 

 opalescent white on basal half where thinly scaled ; a dark 

 point on discocellular ; a wavy dark terminal line; cilia 

 fuscous brown, tipped with white. 



Expanse 33 mm. 



Hab. Juan Viuas. * 



Near T. impulsaj Gn. 



Trachea altivolans, sp. n. 



(J . Palpi brown in front, laterally black ; head, collar, 

 and thorax lilacine brown ; abdomen brownish grey, more 

 darkly irrorated, anal hairs reddish brown. Fore wings 

 light brown, tinged with lilacine on basal half; orbicular 

 space outlined by a fine dark line, deeply toothed towards 

 base, outwardly sinuous, obsolescent below subcostal, followed 

 by a fuscous-grey shade from costa to below reniform ; reni- 

 form large, somewhat oblique, its outer margin incurved, 

 outlined in buff-brown, and containing a curved darker line ; 

 a fine black line from base below cell to a black shade below 

 vein 2, then inbcnt to middle of wing, angled to submedian 

 and outcurved below it; two fine oblique dark lines on inner 

 margin antemedially ; postmedial line vague, deeply dentate, 

 and fuscous on veins, followed by short fuscous streaks ; 

 termen fuscous grey, wedge-shaped between the veins, shaded 

 with dark brown next to subterminal area ; base of cilia 

 brown, followed by a fuscous line and then by dark grey, all 

 interrupted by buff-brown scales at end of veins. Hind 

 wings whitish buff, the dark discal spot and postmedial line 

 of underside visible above ; veins greyish brown ; a terminal 

 fuscous line ; base of cilia ligiit brown, followed by a darker 

 line and tipped with white. 



Expanse 3G ram. 



Hab. Volcano Poas. 



Trachea supera^ sp. n. 

 ? . Palpi and frons dark violaceous brown, irrorated with 

 white; vertex brown, with ochreous hairs at base of an- 

 tennse ; collar and thorax mottled dark brown and dull green, 

 slightly irrorated with white ; abdomen dark grey, dorsal 

 tufts ochreous brown. Fore wings : base greenish, crossed 



