IIOPETOIJNIA. — TARACHEPHIA. 
87 
area grey suffused with red-brown, the terminal area red- 
brown from below apex, a darker fascia below the cell to the 
subterminal line ; faint traces of a dark antemedial line, 
angled outwards in submedian fold, and of a sinuous medial 
line ; postmedial line very indistinct, dark, incurved at discal 
fold and oblique below vein 4 ; subterminal line indistinct, 
dark, slightly defined on outer side by whitish scales except 
towards costa, oblique, sinuous ; a terminal series of black 
points. Hind wing whitish thickly irrorated with brown, 
the terminal area suffused with brown ; a slight dark discoidal 
striga ; cilia whitish with a diffused brown line through them ; 
the underside brownish white irrorated with blackish, a black 
discoidal lunule. 
Hab. Br. E. Africa, Nairobi ( Crawshay ), 1 $ type. Exp. 
28 millim. 
Genus AUTEADISTIS. 
Type. 
Authadistis, Hmpsn. Ann. S. Afr. Mus. ii. p. 361 (1902). metaleuca, Hmpsn. 
Authadistis nyctichroa, n. sp. 
cL Head and tegulse brownish grey, the latter fuscous at 
extremities, the sides of frons and palpi except at tips black- 
brown ; thorax and abdomen black-brown with a leaden-grey 
gloss ; pectus brownish grey ; tibiae and tarsi black-brown, 
the latter ringed with whitish ; ventral surface of abdomen 
red-brown. Fore wing dark brown suffused with silvery 
leaden grey, the medial area black-brown, extending on costa 
to near apex ; a very indistinct sinuous blackish antemedial 
line ; postmedial line indistinct, blackish, excurved to vein 4, t 
then strongly incurved. Hind wing reddish brown, with a 
faint diffused dark postmedial line and fine pale line at base 
of cilia ; the underside pale red-brown, a slight discoidal 
striga, the diffused postmedial line distinct ; a faint sub- 
terminal shade. 
Hab. Sierra Leone, Ganya (Simpson), 1 $ type. Exp. 
26 millim. 
Genus TARACHEPHIA, nov. 
Type, T. hueberi, Ersch. ( Acontia ), Fedtsch. Reis. ii. Lep. 
p. 49, pi. 3. f. 47 (1874). 
Proboscis fully developed ; palpi upturned, slender, the 
2nd joint reaching to middle of frons and slightly fringed with 
scales in front, the 3rd moderate and thickly scaled ; frons 
with large truncate conical prominence with raised rim at 
extremity, its lower edge produced to three long points, a 
corneous plate below it produced to two points in front ; 
eyes large, round ; antennae of male somewhat laminate and 
almost simple ; thorax clothed almost entirely with scales, 
