Heterocera from Costa Rica. 633 



cell and vein 2 brown, crossed by wliitisli-buff striae ; cell and 

 outer space above vein 2 dark grey, becoming vvhitisii on 

 termen, and crossed by darker grey stri^ ; vein 2 entirely, 

 veins 3-6 terminally white ; cilia olive-brown tipped witli 

 white. Hind wings thinly scaled, grey, with darker striae ; 

 the termen finely and cilia at base olive-brown ; the margin 

 greyish buff. 



Expanse 35 mm. 



Hub. Juan Vinas, El Sitio. 



Cossula? ccerulescens J sp. n. 



Palpi crimson ; frons reddish brown ; vertex and collar 

 velvety black; thorax silky steel-black; abdomen black, 

 tinged with dark blue ; anus crimson ; thorax below crimson ; 

 legs black. Fore wings silky steel-black, with velvety black 

 streaks, chiefly across costal and inner margins ; a velvety 

 black patch across middle of cell, extending slightly below 

 it, a broad subterininal dull black band from vein 9, curving 

 to outer margin between 4 and 5, inwardly shaded with red, 

 and followed by a broader red shade crossed by a black line. 

 Hind wings dark silky blue; the cilia partly white; wings 

 below dark silky blue; the outer margin of fore wings with 

 irregular red markings. 



Expanse 64 mm. 



IJab. Tuis, Juan Vinas. 



PSYCHOGENA, gen. nov. 



Antennae dentate, with short bristles; legs and tarsi with 

 ridges of long hairs above ; abdomen long and slight ; lateral 

 tufts of hairs on terminal segments. Fore wings long and 

 narrow, the outer margin oblique; vein 2 just beyond middle 

 of cell ; 3 near end of cell ; 4 and 5 separate ; 6 from near 

 upper angle ; 7 and 8 stalktd ; 9 and 10 free. Hind wings 

 triangular, the outer margin incurved ; the anal angle pro- 

 duced ; 2, 3, 4, and 5 apart; 6 and 7 stalked. 



Psj/cJiogena miranda, sp. n. 



cJ . Palpi, vertex, collar, and patagia black ; frons and 

 thorax dark brown ; abdomen dorsally brown, laterally black, 

 terminally mottled with buff-white. Fore wings dull light 

 brown ; the base rather broadly black, expanding on inner 

 margin, and crossed by an irregular basal brown line ; black 

 reticulations on costa, inner margin, subterminal area, and 

 medially, and a large black spot medially below vein 2 ; a 



Ami. c5 Mag. X. Hist. Ser. 8. Vol. vii. 42 



