300 Mr. W. Warren on new 
rounded, shaped like Hoterodes. Hind wing of male wholly 
white, triangular, being produced towards the anal angle; of 
female white, with dark margin, rounded. Antenne of 
female setaceous, as long as, or longer than, fore wing ; of male 
more than half as long again. Palpi porrected, drooping, 
pointed; ocelli present; tongue present; abdomen of male 
very long. 
Type Adeloides cinerealis (Hoterodes), Moore, P. Z. 8. 
1867, p. 94. 
ARCHERNIS, Meyr. 
Type A. octoguttalis, Feld., Meyr. Tr. E. 8. 1887, p. 220. 
Archernis pubescens, sp. n. 
Fore wings dull greyish yellow, suffused more or less with 
fuscous grey ; first line brown, close to base, second line much 
curved outwards in the middle and running in to quite half 
the length of the wing on the mner margin; three whitish 
semitransparent spots, one between the two stigmata in the 
cell, one on the costa on the inner side of the second line, the 
third in the middle of the disk, on the outer side of the second 
line, in the angle formed where it turns vertically towards the 
inner margin; submarginal space generally clearer yellow 
than the rest of the wing; fringes yellowish. Hind wings 
pale yellow, with a brown central spot and sinuous central 
line. Head and thorax suffused with fuscous grey ; abdomen 
yellowish. Underside like upper, but paler. 
Expanse of wings 24 millim. 
Several of both sexes from N. Chinaand N., India (Dharm- 
sala). 
Nearest to A. purpurescens, Moore (Samea), from the 
Andamans. 
MESOTHYRIS, gen. nov. 
Fore wings with costa nearly straight, slightly convex 
before apex, which is blunt; hind margin rounded. Hind 
wings rounded. Palpishortly rostriform; antenne (in female) 
filiform ; cell in both wings very short, hardly one third of 
the length of the wing; first median nervule starting imme- 
diately before the end of cell, third and radial on a long 
footstalk, second from the stalk halfway between first and the 
origin of the other two. ‘This neuration obtains also in 
the hind wing, where also the two costal branches are on a 
long stalk; owing to the shortness of the cell the two stig- 
