Iltterocera fn m Cot<tii Rica. 303 



sinuous. On botii winfjs the postinedial separates tlic 

 yellow from the brown terminal s|iace. 



Expanse 34 mm. 



J/ab. Sixola. 



Si/hpta e.vcflsalis, sp. n. 



J. Palpi white, shaded below with greyish brown. Head 

 and thorjix white ; some pale brownish shadings on Irons and 

 collar and similar irrorations on thorax. Abdomen on basal 

 segments dorsaliy brown, with subdorsal white lines, inter- 

 iiipted by segmental white lines ; terminal segments white. 

 Body below white, the legs partly and faintly shaded with 

 greyish brown. Wings greyish brown, shot with lilacine; a 

 whitish subterminal line, interrupted on fore wing by veins; 

 a terminal dark line, interrupted by white spots, confluent on 

 liind wings. Fore wings : the base broadly white, shaded 

 with yellow, and crossed by a subbasal greyish shade, widest 

 on inner margin ; a similar basal spot followed by a white 

 point on median ; costa greyish ; a small semihyaline space 

 at end and beyond cell, interrupted by small discocellular 

 spot, containing a hyaline point. Hind wings : base white, 

 extending below cell and along inner margin. Underside 

 whitish, sh )wing indistinctly the markings of upper suiface. 



Expanse 25 mm. 



Hah. Sixola, Juan Vinas, Tuis, Guapiles. 



Allied to S. cerec^afi'Sy Wlk. 



Sylepta fahalis, sp. n. 



(J . Body and wings above buff-grey, somewhat iridescent. 

 Fore wings : basal hah in and below cell tinged with bluisli 

 lilacine, the postmedial area faintly tinged with purplish ; a 

 fuscous spot in cell and streak on discocellular ; postmedial 

 fuscous, indistinct, outcurved from veins 8-2, then angled and 

 marked by a fuscous spot on fold. Hind wings : costa 

 shaded with whitish ; faint tiaces of a postmedial line. 

 Wings below whitish ; a fuscous shade on discocellular of 

 fore wing. 



Expanse 28 mm. 



Ilab. Juan Vinas. 



Lygropia murinalis, sp. n. 



? . Body and wings above silky greyish brown. Body 

 underneath whitish. Fore wings : lines fuscous, rather 

 coarse, the antemedial nearly straight, the postmedial out- 

 curved beyond cell, straight below vein 3 ; a slightly paler 



