GRACILOPSJS. — ORYGMORHORA. 
587 
terminal line, defined on imier side by a white line except 
towards apex and slightly incurved above and below vein 3 ; 
cilia with a white line at base from vein 4 to tornus. Under- 
side grey- brown ; fore wing with slight dark medial line, 
the discoiclal striga as above, the postmeclial line white 
defined on inner side by whitish and slightly excurved beyond 
the cell, two white subterminal striae below costa ; hind wing 
with oblique dark medial line, blackish discoiclal striga with 
white mark on outer side of its upper part, the postmedial 
line as above, a white subterminal line from below vein 3 to 
termen at vein 1. 
Palpi with the 1st and 3nd joints ochreous mixed with 
brown in front. 
Hob. Br. Guiana, Demerara {Rodway), Id, 1 ? type. 
Exp. 36 millim. 
Genus OR YGMOP HOR A , nov. 
Type, 0. mediofoveata. 
Proboscis aborted and small ; palpi obliquely porrect, 
the 2nd joint extending about the length of head, moderately 
scaled below and slightly fringed with hair above towards 
extremity, the 3rd moderate and thickly scaled ; frons 
smooth, with slight ridge of hair above ; eyes large, round ; 
antennae of male minutely serrate, with long bristles and 
fasciculate cilia, ; thorax clothed almost entirely with scales 
and without crests ; tibiae slightly fringed with hair ; abdomen 
smoothly scaled and without crests. Fore wing with the 
apex rounded, the termen slightly crenulate and oblique 
below vein 4 ; veins 3 and 5 from near angle of cell ; 6 from 
just below upper angle ; 7, 8, 9, 10 stalked ; 11 from cell ; 
the male with small "fovea above base of vein 3. Hind wing 
with the termen slightly angled at veins 7 and 4 and excised 
at discal fold, then crenulate ; the cell half the length of wing ; 
veins 3, 4 from angle of cell ; 5 fully developed from below 
middle of discocellulars ; 6, 7 from upper angle ; 8 anasto- 
mosing with the cell near base only. 
Orygmophora mediofoveata, n. sp. 
g. Head, thorax, and abdomen deep red-brown mixed 
with some dark brown, the tegulae and patagia with some 
of the scales tipped with white, the abdomen with some 
whitish at base ; antennae black-brown ; palpi, pectus, legs 
and ventral surface of abdomen whitish suffused with rufous, 
the tibiae irrorated with dark brown, the tarsi black-brown 
ringed with white. Fore wing deep red-brown mixed with 
whitish and dark brown ; an indistinct double sinuous brown 
