South American Micro- Lepidoptera. 21 



Eucosma religiosa, n. sp. 



(J. 12 mm. Head white, sides of crown crimson-fuscous. Palpi 

 subascending, white, second joint fuscous except rough anterior 

 scales. Thorax white, patagia with a crimson-fuscous bar. Abdo- 

 men grey, anal tuft grey-whitish. Forewings elongate, posteriorly 

 dilated, costa gently arched, without fold, apex very obtuse, termen 

 somewhat prominent, slightly rounded ; fuscous suffused with dull 

 crimson, mixed with blackish in disc; a broad ochreous-whitish 

 dorsal band occupying nearly half of wing, upper edge very in-egular ; 

 costal edge blackish with pairs of whitish strigulae , a violet-leaden 

 striga from i| of costa to termen below apex ; ocellus limited beneath 

 and posteriorly by short silvery-metallic streaks not united, contain- 

 ing three short black marks partially surrounded by whitish : cilia 

 whitish, on upper part of termen with reddish-fuscous subbasal line, 

 on tornus spotted with reddish. Hindwmgs with 3 and 4 connate ; 

 rather dark grey ; cilia grey, with darker subbasal shade. 



British Guiana, Bartica, in January {Parish); one 

 specimen. 



Eucosma atricapilla, n. sp. 



?. 12 mm. Head, palpi, collar, and shoulders dark fuscous, 

 thorax otherwise ochreous-whitish, palpi ascending, shortly scaled. 

 Abdomen dark grey. Forewings elongate -oblong, costa towards 

 base rather strongly arched, then nearly straight, apex obtuse, 

 termen hardly sinuate, nearly vertical; pale pinkish-ochreous, 

 somewhat suffused with whitish anteriorly, and strigulated with 

 violet-grey; a large rounded-triangular dark fuscous blotch on 

 dorsum slightly before middle, reaching more than half across wing ; 

 an oblique ferruginous spot on middle of costa, whence a line of very 

 fine transverse black and white striolation runs to near termen 

 beneath apex, thence downwards to middle of termen, closely 

 followed on subcostal portion by a very fine violet line; costa 

 beyond this with three small deep ferruginous marks separated by 

 white strigulae, and then a wedge-shaped deep ferruginous spot 

 occupying apical portion and cut transversely in middle by a dark 

 leaden mark : cilia pale ochreous, with interrupted violet-grey 

 basal line, round apex dark brown with blackish basal line. Hind- 

 wings with 3 and 4 connate; dark grey; cilia grey, tinged with 

 whitish towards tips. 



British Guiana, Bartica, in February {Parish); one 

 specimen. 



