Ileterocera from Cosfa Rica. oiO 



below vein 4 ; subtermiiial ruscous spots from costa to 

 vein 5 ; a marfrinul fuscous shade from above vein 4 to above 

 vein 6. tlind wings shaded with pale olive-brown except 

 before postmodial line, tiie shading striated with fuscous 

 brown; antemedial line thicker; a black spot on disco- 

 cellular; postmedial line fine, slightly wavy; subterminal 

 fuscous spots ; a dark terminal line. Wings below duller ; 

 a broad subterminal fuscous shade, reduced to spots on hind 

 wings below vein 4 ; termen broadly whiter ; the lines all 

 present ; black discal points. 



Expanse 36 mm. 



Huh. Juan Vinas. 



Gazena fnaria^ sp. n. 

 (J . Head, collar, and thorax brownish grey ; thorax 

 behind and abdomen whiter, the latter shaded with grey- 

 brown and with brownish irrorations ; black transverse lines 

 on segments, dorsally interrupted at base. Wings wiiitc, 

 with a few brown irrorations ; a terminal fuscous- brown 

 line, expanding on interspaces; cilia white, crossed by a 

 wavy grey-brown line, and with greyish shadings at veins. 

 Fore wings : the base brownish grey ; antemedial line black, 

 slightly inangled on subcostal, inbent below median ; a black 

 medial line, outbent on costa, edging finely a grey disco- 

 cellular space, incurved below cell, somewhat punctiform, 

 closely followed by a narrow, parallel, greyish shade ; post- 

 medial similar, inbent, sinuous, followed' by greyish shades, 

 except between veins 7 and 6, 4 and 2, and inner margin, 

 where the shading is pale reddish brown ; subterminal line 

 lunular dentate, white, indicated by greyish and pale brown 

 shadings. Hind wings : a thick black basal line, downbent 

 on inner margin ; antemedial and medial dark brown lines 

 also downbent on inner margin, very faint towards costa ; a 

 dark grey discal spot ; postmedial line as on fore wings, 

 followed by brown shading between veins 2 and 4, the sub- 

 terminal as on fore wings. Fore wings below brownish grey, 

 almost fuscous apically ; the cilia and apex narrowly while ; 

 a terminal brown line. Hind wings whitish, the veins faintly 

 brownish ; a small grey discal spot. 



Expanse 30 mm. 



Hah. Poas, Turrialba. 



A smaller wiiiter form expanding 27 mm. is found on 

 Turrialba, but a large series of specimens would be necessary 

 before separating it. 



Melanchroia tritoniaria, sp. n. 

 rT . Body and wings dark blue. Back of head, neck, and 



