EXPEDITION TO SOKOTRA: NEW GENERA AND SPECIES. 37 
above and below the lower angle ; the termen suffused with brown ; a crenu- 
late terminal black line ; cilia intersected with whitish. Hind-wing with the 
base and inner area brownish white ; a slight blackish streak on inner area ; 
an oblique blackish bar from upper angle of cell to the broad fuscous sub- 
terminal band at vein 2, and with a whitish patch beyond it, beyond the 
cell; two deep black subapical spots on termen, a large patch at middle 
extending on to cilia, with a small spot below it with white spot on its 
inner side; cilia white; underside yellowish white ; fore-wing with oblique 
black bar from upper angle of cell to the sinuous postmedial line, the area 
beyond which is brownish, with a large apical black patch ; a white patch 
beyond the cell; hind-wing with small black spot on discocellulars, and 
another beyond lower angle of cell. 
Habitat. Sokotra (Jena-agahan, 2500 ft., 19; Hadibu Plain, 12d, 219 1: 
Closely allied to C. vermiculata, H.S., from 8. Africa, but differs in the 
oblique discoidal band of hind-wing and black terminal spots. 
Amefrontia, gen. nov. 
Type. A. purpurea. 
Palpi oblique, reaching just beyond the large frontal tuft, which has a 
flattened corneous plate below it with rounded edge ; antenne bipectinate, 
with moderate branches ; tibiz without spines. Fore-wing with areole ; the 
costa slightly arched ; the termen obliquely curved ; the cilia non-crenulate. 
Hind-wing with vein 5 from well above angle of cell. 
(5) Amefrontia purpurea. 
$. Head and thorax vinous red ; antenne black-brown with white tips ; 
legs brown, the joints ringed with white ; abdomen ochreous brown. Fore- 
wing vinous red ; the disk tinged with brown ; the orbicular and reniform 
ochreous white, with some purplish scales at centre ; an indistinct dark waved 
antemedial line; a crenulate slightly curved postmedial line with short 
streaks beyond it on the veins ; a terminal series of ochreous points. Hind- 
wing white tinged with fuscous. ap. 22 mm. 
Habitat. Sokotra (Hadibu Plain, 1 ¢). 
(6) Amefrontia albiluna. 
2. Head and thorax ochreous brown mixed with darker scales ; fore- 
tarsi banded with black; abdomen ochreous white slightly tinged with 
fuscous. Fore-wing ochreous brown, irrorated with dark brown ; traces of a 
sinuous antemedial line with a dark shade on its inner side and some black 
scales on its outer ; a medial dark shade angled at lower angle of cell; a 
black discoidal lunule with a white lunule on its outer edge ; the postmedial 
line double, excurved from costa to vein 3, then incurved, some black points 
on its inner side, and fuscous grey suffusion beyond it. Hind-wing whitish, 
the terminal half suffused with fuscous ; cilia whitish. Exp. 20 mm. 
Habitat. Sokotra (Hadibu Plain, 2 ¢ ). 
Geometridz. 
Boarmiane. 
P (7) Hyperythra xdiphlebia. 
$. Fore-wing without fovea ; hind-wing with the base of costal veins 
swollen. Orange-yellow ; antenne with the branches brownish ; palpi at 
sides and legs thickly irrorated with red-brown ; abdomen slightly irrorated 
