322 
XOCTUIDJE. 
point ; a double minutely waved dark medial line slightly 
excurved beyond the cell ; postmedial line black slightly 
defined on outer side by whitish, minutely waved ; traces 
of a punctiform whitish subterminal line ; a waved dark 
terminal fine forming black points at the interspaces ; cilia 
darker at tips. Underside whitish tinged and thickly irrorated 
with red-brown ; fore wing with the inner area white, a small 
white discoidal lunule defined by black, two oblique medial 
lines towards costa, then an inwardly oblique shade to sub- 
median fold, postmedial line black slightly defined on outer 
side by whitish, bent outwards below costa, then waved 
and oblique below vein 4, a slight brown subterminal shade ; 
hind wing with minute white discoidal lunule defined by 
black, diffused dark medial line excurved beyond the cell, 
black postmedial line excurved and waved to vein 2, and 
slight subterminal shade. 
Hab. Brazil, Espiritu Santo, l <$ type ; Peru, Yahuar- 
mayo, 1 $. Exp. £ 30, £ 34 millim. 
Genus TYMPANOBASIS, nov. 
Type, T. thyrsipalpis. 
Proboscis fully developed ; palpi upturned, the 2nd joint 
reaching to vertex of head, moderately scaled in front and 
slightly fringed with hair behind towards extremity, the 3rd 
typically long and thickly scaled at extremity only ; frons 
smooth, with ridge of hair above ; eyes large, round ; 
antennae of male with slight bristles and cilia ; thorax clothed 
almost entirely with scales, the pro- and metathorax with 
small spreading crests ; fore and mid tibiae slightly fringed 
with hair, the hind tibia} with tuft of scales between the 
spurs ; abdomen with dorsal crest at base only. Fore wing 
with the apex rounded, the termen evenly curved and not 
crenulate ; veins 3 and 5 from near angle of cell ; (5 from 
upper angle ; 9 from 10 anastomosing with 8 to form a minute 
areole ; 11 from cell. Hind wing with the cell half the length 
of wing ; veins 3, 4 from angle ; 5 fully developed from just 
above angle ; (5, 7 from upper angle ; 8 anastomosing with 
the cell near base only ; the costa strongly lobed at base 
in male and the fore wing with large fovea on upperside 
between veins 1 a and b. 
Tympanobasis thyrsipalpis, n. sp. 
Head and thorax red-brown, the head and teguhe with 
white mixed ; abdomen grey-brown ; palpi with the 3rd 
joint whitish at base and white at tips ; pectus, legs and 
