XYLORTCTID^. 511 



dark grey ; cilia jjale grey with darker subbasal shade, round apex 

 suffused with whitish. 



Fkench Guiana, St. Jean, E,. Maroni, in July ; one specimen. 



Stenoma tephrodesma, n. sp. 



c? . 14-15 mm. Head white. Palpi white, second joint with 

 dark fuscous streak on basal | , terminal joint with base and sub- 

 apical band dark fuscous. Antennal ciliations 2|. Thorax white, 

 centrally tinged with violet-grey. Abdomen whitish-grey, with a 

 whitish-ochreous lateral hairpencil from base lying in a groove. 

 Forewings elongate, rather narrow, costa gently arched, apex 

 rounded, terraen rounded, slightly oblique; 2 separate, anastomosing 

 with 1 c; whitish, partially faintly tinged with fuscous ; a suffused 

 dark fuscous streak from base of costa along basal 1 or -| of 

 dorsum, followed by some undefined lighter ashy-fuscous suffusion ; 

 first discal stigma rather large, blackish, plical smaller, obliquely 

 beyond it ; two somewhat irregular rather curved suffused dark 

 fuscous lines from costa at middle and | to dorsum at ^ and tornus, 

 included space wholly ashy-fuscous except costal edge ; seven 

 blackish marginal dots round apex and termen : cilia whitish, on 

 tornus grey. Hindwings with 3 and 4 stalked ; grey ; cilia grey- 

 whitish, with greyish subbasal shade, round apex white. 



Prekch Guiana, R. Maroni ; three specimens. 



Stenoma tumens, n. sp. 



cJ . 17 mm. Head white, crown faintly fuscous-tinged. Palpi 

 white, second joint with dark fuscous streak on basal -|, terminal 

 joint with base dark fuscous and suffused with fuscous anteriorly 

 beneath apex. Antennal ciliations 2|. Thorax white suffused 

 with light fuscous except on margins. Abdomen whitish. Fore- 

 wings elongate, rather narrow, costa anteriorly moderatelj', poste- 

 riorly gently arched, apex rounded, termen rounded, somewhat 

 oblitjue ; fuscous-whitish, with faint lilac tinge, white on costal 

 edge and between veins posteriorly ; a fuscous basal dot in middle, 

 and a short oblique mark above base of dorsum ; three cloiidv dark 

 fuscous oblique transverse lines, second and third triangularly 

 dilated on costa, first from ^ of costa to middle of dorsum, slightly 

 curved, second from middle of costa to | of dorsum, slightly sinuate 

 outwards in middle, third from | of costa to tornus, curved out- 

 wards on lower half, dorsal area between this and second partially 

 suffused with fuscous ; eight marginal dots round apex and termen : 

 cilia white, on tornus fuscous-tin<;ed. Hindwings whitish ; costa 

 broadly expanded and clothed with rough projecting white scales 

 from base to f , beyond this abruptly sinuate-incised ; a yellowish 

 subcostal finely striated groove from base to | ; cilia white. Fore- 

 wings beneath with long dense whitish subdorsal hairpencil from 

 base covered by hindwings. 



Fkknch Guiana, St. Jean, E.. Maroni, in July ; one specimen. 



