4 
XOCTUIDJi. 
Genus PAL51CHTH0NA. nov. 
Type, P. hypoleuca, Dogn. ( Barcita ) Het. Nouv. Am. Sud. 
viii. p. 35 (1914). 
Proboscis fully developed ; palpi upturned, the 2nd joint 
reaching to about middle of frons and fringed with rather long 
hair in front, the 3rd rather long, somewhat dilated at ex- 
tremity and porrect ; frons smooth, with tuft of hair ; eyes 
large, round ; antennae of male with fasciculate cilia ; thorax 
clothed with long hair only and without crests ; pectus, 
coxae and femora clothed with long hair, the tibiae fringed with 
rather long hair ; abdomen with large hairy crest at base 
only. Fore wing with the apex rounded, the termen evenly 
curved, crenulate ; veins 3 and 5 from near angle of cell ; 
6 from upper angle ; 9 from 10 anastomosing with 8 to form 
the areole ; 11 from cell. Hind wing with the cell about half 
the length of wing ; veins 3, 4, 5 from angle ; 6, 7 from upper 
angle ; 8 anastomosing with the cell near base only. 
Genus SYPNA. 
Type. 
Sypna, Gueu. Noct. iii. p. 144 (1852) omicronigera, Guen. 
Dadd ala. Walk, xxxiii. 974 (1895) quadrisignata, Walk. 
Elina, Walk, xxxiii. 983 (1865) achseoid.es, Walk. 
Sypna fonnosensis, n. sp. 
Head and thorax red-brown mixed with black-brown and 
some whitish ; the patagia with blackish bars towards ex- 
tremities ; palpi black, ochreous in front and white at extreme 
tips ; fore and mid tarsi black ringed with whitish ; abdomen 
fuscous mixed with grey. Fore wing brown tinged with purple 
and irrorated with blackish and some blue-white scales ; 
subbasal line indistinct, defined on outer side by some white 
scales, excurved below costa and ending at submedian fold ; 
antemedial line blackish defined on each side by whitish and 
by blue-white at inner margin, waved, incurved in the cell 
and excurved below it ; a white point defined by 7 black in 
middle of cell ; reniform defined by blue-white points and a 
spot at middle of outer edge all surrounded by black scales 
and with a slight ochreous lunule in centre ; an indistinct 
sinuous blackish medial line ; postmedial line blackish 
defined on outer side by ochreous whitish and on each side by 
blue-white stria? from costa, bent outwards below costa, then 
waved and interrupted, bent inwards at discal fold, in- 
curved below vein 4 and strongly angled inwards at vein 2, 
some white points beyond it on costa : subterminal line black, 
maculate towards costa, incurved at discal fold where there is 
a reddish ochreous patch beyond it, and excurved at middle ; 
a series of white points defined by black before termen ; cilia 
with a fine pale line at base. Hind wing grey suffused with 
