XYLORTCXIDiE. 413 



apex rounded, tormen rouuded, Jittlc oulique; 2 anastomosing 

 with 1 c ; glossy violet-grey ; costa more or Jess broadly suffused 

 with white from base to middle ; a rather oblique hardly curved 

 somewhat irregular white line from middle of costa to | of dorsum, 

 rather suffused anteriorly, edged with dark fuscous posteriorly ; 

 wing beyond tliis glossy dark slaty-grey, with costal edge and 

 a streak round termen white ; some marginal dark fuscous dots 

 round ajjex and termen : cilia white, on tornus grey. Hindwings 

 with 3 and 4 long-stalked or coincident, 5 connate ; grey ; cilia 

 pale grey, with darker subbasal shade, round apex suffused with 

 whitish. 



JiKiTisH Guiana, Mallali, in March (Parish) ; three specimens. 



Stenoma chalastis, n, sp. 



(5.14 mm. Head white, posterior half of crown dark fuscous. 

 Palpi white, basal q of second joint dark grey, terminal joint with 

 base and apical half exce])t tip daik fuscous. Antennal cilia- 

 tions 2|. Thorax dark fuscous, edge of shoulders and apex of 

 patagia white. Abdomen dark grey. Forewings elongate, rather 

 narrow, costa anteriorly moderately, posteriorly slightly arched, 

 apex rounded, termen rounded, somewhat oblique; 2 anastomosing 

 with 1 c ; dark bronzy-grey ; a somewhat irregular slightly curved 

 white line from middle of costa to | of dorsum, dilated on costa ; 

 costal edge beyond this white, connected with a white streak round 

 apical portion of costa and termen, widest at apex and attenuated 

 to extremities, including tliree or four dark fuscous marginal dots 

 round apex : cilia white, towards tornus grey. Hindwings with 

 3 and 4 stalked, 5 connate ; dark grey ; cilia grey, round apex 

 white. 



Beitish GcriANA, Bartica, in February (FarisJi) ; one specimen. 



Stenoma apsorrhoa, n. sp. 



S 2 • 13-18 mm. Head while, crown more or less grey 

 posteriorly. Palpi white, second joint fuscous except apex, ter- 

 niinal joint with base dark fuscous, and variably infuscated at 

 middle and beneath apex. Antennal ciliations of c? Ig. Thorax 

 fuscous or grey, shoulders white. Abdomen grey, anal tuft of c? 

 whitish-ochreous. Forewings elongate, costa moderately arched 

 towards extremities, apex rounded, termen rounded, little oblique ; 

 2 sometimes anastomosing with 1 c (in 3 examples out of 10); 

 brown- grey or fuscous ; a white line along costa throughout, more 

 or less thickened towards base, continued round termen somewhat 

 waved to tornus ; a somewhat irregular slightly curved or bent 

 white line from middle of costa to | of dorsum : cilia white, 

 towards tornus more or less infuscated. Hindwings with 3 and 4 

 stalked, 5 closely approximated ; rather dark grey, darker in $ ; 

 cilia light grey, with darker subbasal shade. 



Pritish Guiana, Bartica, in December and January (PrtHs/i) ; 

 Peru, Pacaya, in June {j]Iounscy) ; ten specimens. Near 

 scitiorella. 



