148 Col. C. Swinhoe on new Geometers. 
Family Euschemide. 
Genus EuscHEeMA, Hiibn. 
Euschema scyllea. 
3. Head, body, and wings yellow ; antennee black ; thorax 
with indications of two grey spots in front, but without bands. 
Fore wings with the apical half black, its inner border ex- 
tending straight from the centre of the costa to the hinder 
angle, angled inwards in its centre; the blackish space in- 
cludes two bluish-white semihyaline macular bands, the first 
of four and the second of three spots; no markings in the 
internal half of the wing. Hind wings whitish on the costa ; 
a blackish elongated spot at the end of the cell, and a macular 
marginal blackish band, the first three spots near the apex 
large and running into each other, followed by three small 
spots, the last two curving inwards. Underside as above, 
except for a spot at end of cell of fore wings, which is slightly 
visible above through the wing. 
Expanse of wings 37% inches. 
Type: India. In O.M. 
Allied to £. militaris, but very distinct, having no bands on 
the thorax and no internal bands on either wing. 
Family Geometride. 
Genus HEROCHROMA, nov. 
Differs from the genus Pingasa in the males having simple, 
not pectinated, antenne as in that genus. 
Herochroma baba. 
g. Wings shaped similarly to 47. viridaria, Moore ; colour 
of a uniform grass-green, somewhat similar to but brighter 
than in H. subtepens, Walker, xxi. 438, type from Sarawak, 
but also a common Indian insect. Both wings crossed by an 
outwardly dentated brown discal line, black marginal lunules 
at the ends of the veins, a row of submarginal white dots on 
the veins, a black spot at end of each cell. Underside with 
the ground-colour greyish white, smeared with dark ochreous, 
a large black spot at end of each cell, a broad discal band 
across both wings, and black marginal lunules. 
Expanse of wings 1485-2 inches. 
Type: Khasia Hills. In B.M. 
A long series. Allied to 4. viridarta, but of an entirely 
different shade of green colour, and without the bronze tessel- 
lations with which that insect is covered and without the 
reddish-brown bands, 
