NO. 2039. NOCTUID MOTHS FROM TROPICAL AMERICA— 8CHAUS. 519 



laro'est below vein 3; a dark terminal line. Hind wings: A dark 

 point in cell; medial line outcurved; a white shade on discoceliular 

 Avith dark points at ends and middle; postmedial wavy between 

 veins 5 and 2 ; a dentate subterminal whitish line, partly finely dark 

 edged, shaded with fuscous between veins 2 and 4. 



Expanse. — 24 mm. 



Habitat. — Cayenne, French Guiana. 



This species, P. suhgeminata Scliaus, and P. minuta Druce, require 

 a new genus. 



Type.— Cat. No. 16597, U.S.N.M. 



THERMESIA OCRESIA, new species. 



Female. — Palpi, and head gray brown, the vertex mottled with 

 whitish. Collar brown. Thorax, abdomen, and wings grayish, 

 faintly tinged with lilacine; abdomen with darker irrorations and 

 whitish segmental lines. Wings: A straight subterminal brown 

 line, inwardly edged with white; an interrupted terminal fine dark 

 line, expanding at middle of interspaces, other lines very fine, wavy. 

 Fore wings: Antemedial line double, well apart, the mner line less 

 distmct; a fine line on discoceliular followed by a fainter incurved 

 Ime, forming a narrow reniform; postmedial outcurved, touching 

 reniform behind, followed by a fainter, finely lunular, line, broadly 

 shaded with pale brown on inner margin; termen slightly shaded 

 with brown. Hind wings: A fine line on discoceliular; postmedial 

 followed by a second line, the entire space to subterminal shaded 

 with brown; termen slightly shaded with brown. Wmgs below 

 buff white, with some grayish irrorations; dark discal points; traces 

 of postmedial lines; terminal line as above. 



Expanse. — 28 mm. 



Habitat. — St. Jean, Maroni River. 



Type.— C&t. No. 16598, U.S.N.M. 



THERMESIA GLYCERA, new species. 



Female. — Palpi brown irrorated with fuscous brown. Body dull 

 brown, the thorax slightly paler. Fore wings: Basal half oHve 

 brown limited by the postmedial whitish buff line, which is deeply 

 outcurved below costa, and inbent to middle of inner margin; the 

 costa pale shaded beyond the line; antemedial line fine, fuscous 

 brown, outcurved on costa, and below subcostal; traces of a fine 

 medial line; outer space slightly paler; a dark brown subterminal 

 shade almost straight; termen narrowly paler, with an interrupted 

 fine dark line. Hind wings: The base brown shading to fuscous 

 brown before the pale postmedial line; a few dark irrorations beyond 

 the postmedial; the subterminal shade less distinct; the terminal 

 dark fine more continuous. Fore wings below brown; postmedial 



