26 Mr. E. M^rick's Descriptions of 



clotlied with long dense whitish hairs above. Forewings suboblong, 

 rather broad, costa anteriorly strongly, posteriorly slightly arched, 

 apex rounded, termen rounded, slightly oblique; dark crimson, 

 fuscous ; basal patch, lower half of central fascia, and an irregular 

 patch above tornus marbled with dark blue-leaden; a whitish- 

 ochreous elongate-triangular patch extending over posterior half 

 of costa, more ochreous towards costa, anterior side longest, marked 

 with an iridescent-violet-silvery streak dilated downwards, costal 

 edge deep ferruginous with five pairs of oblique white strigulae, a 

 blue-leaden striga running from fourth pair obliquely across apex, 

 apex suffused with deep ferruginous round this; a very fine black 

 terminal line, partly edged with silvery anteriorly : cilia leaden- 

 grey, basal half deep ferruginous except towards tornus. Hindwings 

 with 3 and 4 connate ; dark grey ; cilia grey, with dark grey basal 

 shade; dorsal edge in ^ thickened and rather contorted, with long 

 cilia. 



British Guiana, Bartica, from December to February 

 [Ptirish) ; seventeen specimens. 



Argyroploce cymotoma, n. sp. 



(J$. 13-14 mm. Head whity-brownish, sides marked with dark 

 red-brown. Palpi whitish, second joint suffused on lower part with 

 grey, on upper part with red-brown marked with black. Thorax 

 whitish mixed with grey and irregularly spotted with dark red-brown, 

 sometimes much suffused with dark fuscous. Abdomen dark grey, 

 anal tuft of S grey-whitish. Forewings elongate, posteriorly dilated, 

 costa moderately arched, apex rounded-obtuse, termen rounded, 

 nearly vertical ; red-brownish ; basal patch mixed and strigulated with 

 white, spotted with black on its lower portion, suffused witn fuscous 

 on dorsum, marked posteriorly on costa with a dark red-brown 

 blotch; beyond this a somewhat angulated fascia of white striation, 

 on costa forming a more conspicuous white blotch, followed on 

 costa by a dark red-brown blotch, narrow on costa and produced 

 posteriorly into a long acute prominence beneath costa, and on 

 dorsum by a triangular brown blotch edged with white; costa 

 posteriorly dark red-brown with pairs of whitish strigulae, with 

 more or less orange suffusion beneath these, and a sinuate blue- 

 leaden striga running from edge of costal blotch to termen beneath 

 apex, edged beneath with whitish posteriorly; ocellus narrow, 

 whitish-speckled, containing three black marks and enclosed 

 laterally by broad erect spots of pale purplish iridescence : cilia 

 red-brownish, on termen darker towards base. Hindwings with 



