338 
XOCTUID-i:. 
red-brown and slightly striated with blackish, the costal area 
irrorated with black towards apex ; antemedial line blackish, 
angled outwards below costa, then oblique ; a black point 
in middle of cell and slight brownish discoidal striga ; post- 
medial line very indistinctly double, brown filled in with 
whitish, very obliquely excurved to vein 4, then retracted 
to median nervure near origin of vein 2 and excurved above 
inner margin ; a subterminal series of slight blackish points, 
excurved at middle ; a series of minute black points at base 
of cilia. Hind wing whitish tinged with red-brown especially 
on terminal area. Underside white ; fore wing tinged with 
rufous below the costa and on terminal area ; both wings 
with the costal area irrorated with dark brown. 
Ab. 1. Fore wing with patch of leaden fuscous suffusion 
on inner half of medial area and oblique shade from apical 
part of costa to beyond lower angle of cell. 
Hab. N. Nigeria, Zungeru ( Macfie ), 2 $ type. Exp. 22 
millim. 
Genus ISADELPHINA, nov. 
Type, I. retracta, Hmpsn. (Cosmophila), P. Z. S. 1910, p. 432, 
pi. xxxvii. f. 20. 
Proboscis fully developed ; palpi upturned, the 2nd joint 
reaching to about vertex of head, slightly fringed with hair 
in front and also behind at extremity, the 3rd long and 
smoothty scaled ; frons smooth, with tuft of hair above ; 
eyes large, round ; antennae of male somewhat laminate and 
almost simple ; thorax clothed with hair and scales mixed 
and without crests ; tibiae smoothly scaled, the inner medial 
spur of hind tibiae very long ; abdomen rather dorsally 
flattened, smoothly scaled and without crests. Fore wing with 
the apex rounded, the termen evenly curved and not crenu- 
late ; veins 3 and 5 from near angle of cell ; 6 from upper 
angle ; 9 from 10 anastomosing with 8 to form a short areole ; 
11 from cell ; the male with a small fovea at base of inner 
margin above with some rough hair beyond it. Hind wing 
with the cell about half the length of wing ; veins 3, 4 stalked ; 
5 fully developed from lower angle ; (>, 7 from upper angle ; 
8 anastomosing with the cell near base only. 
Isadelphina lacteifascia, n. sp. 
( j'. Head and thorax yellow suffused with rufous ; the 
dorsum of thorax black with white streak ; antennae dark 
brown ; palpi with the 3rd joint dark brown ; abdomen 
dark fuscous brown ; pectus, legs and ventral surface of 
abdomen creamy white, the tarsi brown ringed with white. 
Fore wing yellow suffused with rufous and striated with dark 
