no. 1815. SOUTH AMERICAN TINEOID MOTHS— BUSCK. 223 



ing nearly to the following streak. Hindwings whitish fuscous. 

 Abdomen dark fuscous above; underside and legs whitish. 



Alar expanse. — 17-19 mm. 



Habitat. — St. Jean, Maroni River, French Guiana. Wm. Schaus, 

 collector. 



Type.— Cat. No. 13588, U.S.N.M. 



Cotype in British Museum. 



STENOMA DEMAS, new species. 

 Plate 9, fig. 40. 



Second joint of labial palpi white, shaded externally with blackish 

 fuscous; terminal joint white, with base and an annulation near the 

 tip black. Face silvery white. Head and thorax ocherous. Fore- 

 wings white, with a large black basal spot on dorsum and a bold 

 oblique black fascia across the wing beyond the cell; this fascia is 

 evenly concave on the inner side, irregularly bent on the outer side, 

 and broader at the dorsal end than at costa. Extreme apical edge 

 black. Cilia white. Hindwings white. Abdomen light ocherous 

 fuscous above ; legs and underside white. 



Alar expanse. — 14 mm. 



Habitat. — St. Jean, Maroni River, French Guiana. Wm. Schaus, 

 collector. 



Type.— Cat. No. 13588, U.S.N.M. 



While this species is clearly nearly related to and very similar to 

 the foregoing group of species, it is at once distinguished by its small 

 size and its striking clear-cut wing pattern. 



STENOMA HAMON, new species. 

 Plate 9, fig. 41. 



Labial palpi blackish brown, with the tip of second joint and the 

 base of terminal joint shaded with white. Face white. Head and 

 thorax dark fuscous. Forewings white, sprinkled with brown atoms, 

 and with three oblique irregular blackish brown lines across the wing; 

 the first of these is nearly straight, only slightly zigzag, and runs from 

 basal fourth of costa to shortly before middle of dorsum ; the second 

 line is much more irregular and runs reasonably parallel with the first 

 just outside the cell; the third line is evenly convex, with a sharp 

 indentation at costal third. Around the entire edge is a prominent 

 series of small equidistant dark brown dots. Hindwings dark fuscous. 

 Abdomen dark fuscous above; underside light ocherous. Legs ocher- 

 ous; tarsi annulated with black. 



Alar expanse. — 22-23 mm. 



Habitat. — St. Jean. Maroni River and Cayenne, French Guiana. 

 Wm. Schaus, collector. 



Type.— Oat. No. 13580, U.S.N.M. 



