138 Sir G. F. Hampson on new 
to beyond middle; hind wing white, the costal area irrorated with 
brown and rufous, the terminal area suffused with brown to sub- 
median fold, a brown postmedial line oblique towards costa, then 
curved and ending at submedian fold. 
Hab. Dutcu N. Gutyea, Fak-fak (Pratt), 19, Snow Mts., 
Oetakwa R. (Meek), 1 2 type. Exp. 40 mm. 
(141Lk) Macalla argenteorubra, sp. n. 
3. Head and thorax fiery red, the back of head with tufts of 
silvery-white scales, the patagia with patch of silvery-white scales 
at middle and silvery-white tips; abdomen creamy white with 
some rufous suffusion on dorsum; pectus creamy white and red; 
tibie and tarsi ringed with white; ventral surface of abdomen 
creamy white tinged with red. Fore wing fiery red irrorated with 
blackish ; an antemedial series of slight silvery-white spots with a 
larger spot further from base above inner margin; a medial silvery- 
white line from costa to median nervure, angled outwards below 
costa, and a spot on inner margin, followed by an oblique series of 
obscure blackish marks, with some silvery-white scales on their 
outer edge from above median nervure to vein 1; a diffused 
silvery-white discoidal spot and an incurved series from lower angle 
of cell to inner margin; a waved silvery-white postmedial line from 
costa to vein 5, then a series of spots incurved below vein 3; the 
postmedial area with small spots above and below vein 4; a sub- 
terminal series of silvery-white spots defined on each side by black ; 
cilia chequered white and fiery red with some black scales at 
middle. Hind wing white, the costal area tinged with brown ; 
a terminal series of brown striz; cilia chequered with red and 
brown spots at base and intersected with red to vein 2. Underside 
of fore wing pale brown, the costal area and terminal area except 
towards tornus bright rufous, small ante- and postmedial whitish 
spots on costa; hind wing creamy white, the costal area irrorated 
with fulvous and brown scales, a slight fulvous spot at upper angle 
of cell and diffused postmedial and subterminal bars from costa to 
vein 5. 
Hab. DutcH N. Guinea, Mt. Goliath (Meek), 1 S type. 
Exp. 42 mm. 
(117) Macalla chlorographalis, sp. n. 
3. Head and thorax pale yellow-green mixed with cupreous 
red, the tips of antennal processes and patagia bright cupreous red ; 
tibie with cupreous-red patches, the tarsi blackish with pale rings ; 
abdomen pale greenish suffused with red-brown, the ventral surface 
ochreous. Fore wing golden green; the basal area almost entirely 
suffused with deep red; an oblique white antemedial line, defined 
on outer side by red below the cell; medial area suffused with red 
to just below vein 2, leaving green streaks on the veins; a small 
white spot defined on each side by black in middle of cell; slight 
blackish streaks in the interspaces below end of cell; postmedial 
