370 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.50. 



beyond cell, obscured by the brown shading beyond cell, inbent 

 from vein 4 to inner margin; subterminal white, straight from 

 costa to vein 5, toothed on veins 3 and 4, followed by a duller 

 brown shade to termen; a terminal lunidar black line, punctiform on 

 interspaces, the points outwardly edged with white; cdia brown 

 crossed by a black line near tips. Hind wings fuscous; cilia yellow- 

 isli wliite. 



Expanse. — 19 mm. 



Habitat.— CotozslI, La Chorrera, Panama. 



Type.— C'dt. No. 19849, U.S.N.M. 



SYNOMERA ISTHMIALIS, new species. 



2Iale. — Palpi, head, collar, and thorax dull brown. Abdomen 

 dark gray brown above, white below. Fore wings dark gray, faintly 

 tinged with brown and lilacine, and thinly irrorated with black; 

 antemedial line fine, indistinct, whitish, sinuous; renifonn large, the 

 center ocherous edged with light brown and then with white, slightly 

 incurved on its outer edge; postmedial outcurved beyond cell, fine, 

 white, darldy edged; subterminal fine, white, dentate on veins 3 and 

 4; marginal black points outwardly edged with white; the terminal 

 dark line lunular; cilia reddish brown. Hind wings brownish gray; 

 a white postmedial streak, darldy edged on inner margin; cilia mot- 

 tled whitish and reddish, with a fuscous basal line at anal angle. 

 Fore wings below dark gray, the hind wings almost entirely white, 

 merely the costal margin darkly irrorated; a dark discal point. 



Expanse. — 16 mm. 



Habitat. — Rio Trinidad, Panama. 



Type.— Ca.t. No. 19850, U.S.N.M. 



SYNOMERA TANGA, new species. 



Male. — Palpi brown black; 3d joint, except base, yellow. Head 

 light brown. Collar, thorax, and abdomen lilacine ocher. Fore 

 wings ocher yellow, basal third lilacine outwardly limited by an in- 

 bent dark brown shade, its edge almost black; an incurved brown 

 black line from apex to inner margin at tornus, the space beyond 

 lilacine crossed by a wavy, fine, subterminal dark line; a few scat- 

 tered dark irrorations on medial space. Hind wings wJiitish brown; 

 a dark spot at anal angle. 



Expanse. — 22 mm. 



Habitat. — Trinidad. 



Type.— C^i. No. 19851, U.S.N.M. 



SYNOMERA PROCRUSTES, new species. 



Male. — Head and collar dull reddish brown. Thorax grayish 

 brown. Abdomen dark gray with pale segmental lines. Wings dark 

 brownish gray; terminal black points comiectcd by a lunular black 



