516 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.46. 



postmedial from a white spot on costa above reniform, outbent along 

 costa, wavy, incurved and lunular below vein 4. Hind wings: A 

 darker shade on discocellular ; postmedial line upcurved below vein 3. 

 Wings below dull fuscous gray with some lilacine irrorations ; darker 

 lines on discocellular; a postmedial line outwardly pale edged. 



Expanse. — 22 mm. 



Habitai. — St. Jean, Maroni River. 



Type.— C&t. No. 16591, U.vS.N.M. 



OSTHA OFELLA, new species. 



Male. — Body and wings above purplish brown. Vertex lilacine 

 gray. Wings: Small subterminal clusters of wliitish scales forming 

 an indistinct lino ; some white irrorations on outer margin ; terminal 

 white points at veins. Fore wings: Some whitish irrorations on 

 costa; a fine antemedial white line, outangled on costa, slightly 

 incurved across ceil, outwardly darker shaded; an irregular yellow- 

 ish white spot on discocellular; postmedial fine, white, inbent on 

 costa, outcurved beyond cell, wavy, inwardly dark shaded. Hind 

 wings: A fine lilacine streak on discocellular; postmedial as on fore- 

 wing, upcurved below vein 3. Wings below whitish gray; a dark 

 streak on discocellular, fine postmedial line, and subterminal shade 

 cut by veins; cilia dull fuscous brown. 



Expanse. — 16 mm. 



Habitat. — St. Jean, Maroni River, 



Type.— Csit. No. 16592, U.S.N.M. 



OSTHA? CYBELE, new species. 



Female. — Head, collar, and abdomen except basal segment dark 

 gray. Thorax, basal segment of abdomen, and %vings cinnamon 

 brown. Wings: Cilia fuscous with cinnamon spots at veins; a faint 

 subterminal fuscous gray shade, and similar faint postmedial line. 

 Fore wings: A fine wavy fuscous-gray antemedial line; a white 

 orbicular point circled with fuscous; similar white points on disco- 

 cellular in front and behind. Hind wings: A fuscous-gray shade on 

 discocellular and two white points. Wings below duU grayish brown. 



Expanse. — 28 mm. 



Habitat. — Rockstone, Essequebo River. "^ 



Type.— C&t. No. 16593, U.S.N.M. 



AZATHA? PULCHRA, new species. 



Male. — Palpi gray brown edged below with black. Frons white; 

 vertex and body above grayish brown; some darker dorsal tufts on 

 abdomen. Body below white. Fore \vings narrow, outer margin 

 oblique ; the base narrowly whitish buJGF with some small black spots, 

 followed by a dark reddish brown shade, sharply outbent below cell 

 and vein 2, but not reaching postmedial line ; tliis reddish brown space 



