- 
414 Mr. A. G. Butler’s Descriptions of new 
black, the inner line extending to the subcostal vein, the 
outer one to the third median branch; a large subanal 
discal golden nebula bounded externally by two sub- 
marginal black spots; a slender golden marginal line ; 
front of head and antenne dark brown; under surface 
sericeous, snow-white; wings with a black marginal 
line ; primaries with the apical area, excepting a spot at 
apex, pale greyish brown; the stripes of the upper 
surface indistinctly visible through the wing ; secondaries 
with an interrupted submarginal greyish streak ; expanse 
of wings, male 1 inch 7 lines, female 1 inch 9 lines. 
3, Nikko (Maries); 9, Yokohama (H. Pryer). 
Nearly allied to the Indian M. planaria, but in colora- 
tion much more like Hrosia himala. 
For convenience sake I still retain the Hrosiide among 
the Geometrites. 
EROSIIDA. 
117. Erosia cretacea, n.s. 
Chalky white; wings slightly sericeous, crossed by a 
pale testaceous angulated discal band, partly edged on 
both sides with black, ill-defined excepting for its black 
external edge towards the costa of primaries; beyond 
this band a much interrupted and ill-defined streak of 
the same colour, most distinct upon the secondaries ; 
basal half of primaries irrorated with testaceous, a 
rather darker angular line towards the base; a sub- 
marginal blackish-speckled testaceous streak on the 
apical half; secondaries crossed near the base by a 
slender blackish line, and just beyond by blackish and 
testaceous scales in three ill-defined series; two black 
dots at the end of the cell; a submarginal abbreviated 
black line between the tails, and a testaceous spot 
enclosing a black dot above the inferior tail; abdomen 
indistinctly barred with grey; under surface white, 
primaries and legs sordid; antenne below ferruginous ; 
expanse of wings, 1 inch 13 line. 
Tokei (Fenton). 
118. Hrosia plagifera, n.s. 
Upper surface white; primaries with greyish basi- 
costal area; a rather broad dark grey central band, 
edged and striated with black, notched in front, inter- 
