430 NOCTUID &, 
alternating black and white streaks; subterminal line white defined 
on inner side by black, dentate, incurved below costa, angled outwards 
at vein 7 and excurved at middle, an oblique black mark beyond it 
from termen just below apex ; a series of black strize defined on inner 
side by white just before termen: cilia chequered black and white. 
Hind wing pale ochreous, the cell, costal area and terminal area 
broadly suffused with fuscous; slight sinuous medial and post- 
medial series of dark points on the veins and traces of a subterminal 
line with ochreous marks on its outer edge below vein 2 and at 
vein 1; a terminal series of small black spots defined by a slight 
waved white line; cilia chequered black and white; the underside 
with blackish discoidal spot, diffused medial line excurved beyond 
the cell, and some greenish blue on costa beyond middle. 
Hab. Bornno, Sarawak ( Wallace), type T in Mus. Oxon., Sandakan 
(Pryer),1 9. Hep. 38 millim. 
6774. Risoba diphtheroides. (Plate CLXXXYV. fig. 25.) 
Risoba diphtheroides, Hmpsn. J. Bomb. Nat. Hist. Soc. xi. p. 453 (1897). 
3. Head and thorax pale blue-green with a few brown scales ; 
palpi mostly black towards extremity and with some white in front 
at base ; frons with lateral black spots; antenne blackish ; pectus 
and legs ochreous mixed with fuscous, the fore tarsi black ringed 
with white; abdomen whitish, the 8rd to 6th segments suffused 
with brown, the anal segment pale blue-green, the ventral surface 
ochreous irrorated with black. Fore wing pale blue-green suffused 
in parts with white and pale brown; the basal area tinged with 
brown and irrorated with black, with a wedge-shaped silvery white 
mark below the cell; subbasal line slight, black, from costa to 
median neryure ; antemedial line black, slightly waved towards 
costa and strongly excurved below the cell; medial area mostly pale 
brown from costa to submedian fold; orbicular with slight white 
annulus and brown point in centre ; reniform defined by black and 
with black points in centre, elliptical; a black striga from middle 
of costa; postmedial line black, with oblique bar from costa to 
reniform, bent outwards below costa, then defined on inner side by 
white, waved, slightly incurved at discal fold and strongly below 
vein 4, the costa beyond it with white points with black streaks 
between them ; subterminal line strong, black defined on inner side 
by white suffusion, angled inwards at discal fold, excurved and 
slightly waved at middle, incurved below vein 3 and again excuryed 
at vein 1, some brown suffusion beyond it and an oblique black patch 
below apex ; a terminal series of black strize with white marks before 
them ; cilia chequered black and white. Hind wing whitish almost 
entirely suffused with fuscous; a fine black terminal line ; cilia with 
slight white spots ; the underside brownish white, the terminal area 
broadly suffused with black, a small black discoidal lunule and 
postmedial bar from costa. 
Hab. Assam, Khisis, 1 ¢ type. Zap. 30 millim. 
