160 
NOCTUin.K. 
oblique elliptical black spot deiined by whitish in middle of 
cell ; a small postmedial chocolate-red patch on costa, the 
dark brown postmedial line arising from it, obliquely excurved 
to vein 4, then bent upwards to upper angle of cell, then 
defined on inner side by whitish, slightly excurved below 
median nervure and dilated into a wedge-shaped mark 
towards inner margin ; an oblique chocolate-red bar from costa 
before the subterminal line, which is brown, angled inwards 
at discal fold, excurved at middle, angled inwards below 
vein 3 and ending at tornus ; a strong deep chocolate-brown 
terminal line at the excision above middle and a fine line 
before termen below vein 4. Hind wing deep red-brown, 
the cilia rufous. Underside of fore wing brown, the costal 
and terminal areas rufous, the inner area whitish ; hind wing 
whitish suffused with rufous especially towards costa, a slight 
brown discoidal point. 
Hab. Br. Guiana, Demerara {Rodway), 1 $ type ; Had. 
ign., 1 <$. Exp. 32-38 millim. 
Genus TEPHRINOPS , nov. 
Type, T. velutisigna. 
Proboscis fully developed ; palpi upturned, the 2nd joint 
reaching to about vertex of head, moderately fringed with 
hair in front and slightly above at extremity, the 3rd short, 
oblique and thickly scaled ; frons smooth, with tuft of hair 
above ; eyes large, round ; antennae of male bipectinate 
with moderate branches, each joint with a pair on each side, 
the apical third ciliated ; thorax clothed with hair and scales 
mixed, the prothorax with spreading crest, the metathorax 
with slight crest ; tibiae fringed with rather long hair, the 
mid tibiae of male dilated with groove containing a tuft of 
long hair ; abdomen with some rough hair at base of dorsum, 
but without crests. Fore wing with the costa arched towards 
apex which is produced and acute, the termen strongly 
excised below apex and angled outwards at vein 4, the inner 
margin with scale-tooth before middle ; veins 3 and 5 from 
near angle of cell ; 6 from upper angle ; 9 from 10 anastomos- 
ing with 8 to form the areole ; 11 from cell. Hind wing with 
the cell about half the length of wing ; veins 3, 4 from angle ; 
5 fully developed from well above angle ; 6, 7 from upper 
angle ; 8 anastomosing with the cell near base only. 
Teplirinops velutisigna, n. sp. 
g. Head, tegulae, and a band behind them bright rufous ; 
thorax whitish tinged with rufous and with a few red-brown 
scales ; legs suffused with red-brown ; abdomen whitish, 
