of Heterocera from Japan. 195 
pale-yellowish costa, internal area silvery grey ; secondaries 
with white fringe. Expanse 2 inches 4 lines. 
Hakodaté ( Whitely). 
Allied to &. herbida, much larger and brighter in colouring, 
and with no trace of the white patch beyond the reniform 
spot. 
PLATAPLECTA, 0. gen. 
General aspect of Aplecta nebulosa (Mamestra of Grote), 
but with much shorter and broader wings, shorter body, and 
longer and less densely clothed palpi. Type P. soluta (Polia 
soluta, Walker). 
110. Plataplecta subviridis, n. sp. 
Primaries silvery grey (or white densely irrorated with 
grey), with blackish and white markings, nearly as in Aplecta 
nimbosa ; the whole wing, but especially the basal area, indis- 
tinctly blotched with pale green; costal margin blackish, 
spotted with white near the apex ; reniform spot subquadrate, 
black-edged ; two transverse black-edged white stripes across 
the base of the interno-median area, a third connecting the 
first median branch with the inner margin, and followed by a 
large black spot; a very irregular greenish and white sub- 
marginal stripe bounded internally by conical black spots ; 
apex blackish; a marginal series of black spots; fringe 
brown; secondaries pale brown, with darker outer border, 
blackish marginal line, and whitish fringe ; body correspond- 
ing in colour with the wings: under surface shining pale 
brown ; costa of primaries white-spotted near apex; secon- 
daries whitish, with the discocellulars and outer border dusky ; 
venter whitish. Expanse 1 inch 6-7 lines. 
Yokohama (Jonas). 
The male is lighter in colour than the female. 
111. Hadena gnoma, n. sp. 
Close to H. atriplicis, but much larger and darker, the pri- 
maries of a slaty-grey colour, varied with black and brown 
and bright green markings, arranged as in 4. atriplicis, the 
bifid white spot less pure in colour and rather larger: secon- 
daries, abdomen, and under surface altogether darker than in 
H, atriplicis. Expanse, f 1 inch 10 lines, ? 2 inches 2 lines. 
Yokohama (Jonas). 
112. Hadena lucia, n. sp. 
Allied to H. atriplicis, but differing as follows :—prima- 
riés above with an abbreviated white band from the costa to 
