XYLOKTCTID^. 527 



whitish-grey, hecoming whitish towards base ; cilia whitish, with 

 faiut grey subbasal liEe. 



Fkench Guiana, St. Jean, E. Maroni, in July ; two specimens. 



Stenoma praecauta, n, sp, 



J . 23-26 mm. Head white, sides of face marked with dark 

 fuscous, crown suffused with pale lilac-fuscous. Palpi white, second 

 joint with basal | dark fuscous. Antennal ciliations 2|. Thorax 

 whitish-lilac-fuscous. Abdomen whitish-grey. Forewings elongate, 

 posteriorly slightly dilated, apex rounded, termen somewhat rounded, 

 hardly oblique; 2 separate ; whitish-lilac- grey, costal edge white ; 

 stigmata dark grey, plical obliquely beyond first discal ; a faint 

 irregular grey line from | of costa almost to same point with fol- 

 lowing ; a cloudy grey waved line from 4 of costa to dorsum before 

 tornus, indented beneath costa, then moderately curved ; a marginal 

 series of blackish dots round apex and termen : cilia grey-whitish, 

 greyer towards base. Hindwings with 3 and 4 connate ; light 

 grey; cilia grey-whitish, with grey subbasal shade. 



French Guiana, St. Jean and Nouveau Chantier, E.. Maroni ; 

 four specimens. Much like sorona, but larger, and readily 

 distinguished by the lighter hindwings. 



Stenoma ventilatrix, n. sp. 



(f . 26 mm. Head whitish, sides of face marked with dark 

 fuscous, crown suffused with pale lilac-grey. Palpi whitish, second 

 joint with basal 4; lilac-fuscous. Antennal ciliations 3. Thorax 

 whitish-lilac-grey. Abdomen grey. Forewings elongate, poste- 

 riorly dilated, costa slightly arched, apex rounded, termen some- 

 what rounded, hardly oblique ; 2 separate ; whitish-lilac-grey, 

 costal edge white; stigmata dark fuscous, plical obliquely beyond 

 first discal ; a series of indistinct small grey dots from near costa 

 at I very obliquely outwards to beyond cell, thence continued as a 

 faint irregular line to dorsal extremity of following ; a cloudy grey 

 line from i of costa to dorsum before tornus, sinuate-indented 

 towards costa, then moderately curved ; a marginal series of blackish 

 dots round apex and termen : cilia white, basal half faintly barred 

 with pale lilac-fuscous. Hindwings with 3 and 4 connate ; rather 

 dark grey ; a slender ochreous-whitish hairpencil from base lying 

 in a lateral groove of abdomen; cilia grey- whitish, with grey 

 subbasal shade. 



Fkencu Guiana, R. Maroni ; one specimen. 



Stenoma aggregata, n. sp. 

 c5' . 19 mm. Head light greyish-ochreous, face white. Palpi 

 whitish, second joint with dark fuscous streak on basal | and 

 slight subapical ring. Antennal ciliations 2. Thorax greyish- 

 ochreous, with two indistinct black dots at posterior extremity. 

 Abdomen pale grey, anal tuft whitish. Forewings elongate, poste- 

 riorly slightly dilated, costa anteriorly gently, posteriorly slightly 



