HYMENIA. — HYDROCAMPA. 
75 
HYMENIA, Hubn. 
Hymenia tricolor. (Plate LIX. fig. 6.) 
Dark bronzy brown with a very feeble lilacine tint ; fringe narrow, white at anal angles ; 
primaries with a small spot in the cell, a second just below it, and a large spot just beyond 
the cell stramineous; secondaries with an irregular central belt, broad to just beyond the 
first median vein and then abruptly narrowed, stramineous ; inner surface of palpi, the 
antennse, and the hind margins of the segments whitish. Primaries below silvery brown, 
with dusky-bordered white spots, similar to the stramineous spots of the upper surface ; 
secondaries white, with a broad irregular outer border and two unequal central spots silvery 
brown ; body below white. Expanse of wings 1 inch. 
Yokohama (Jonas). 
nYDROCAMPID^. 
OLIGOSTIGMA, Guen. 
Oligostigma corculina. (Plate LIX. fig. 7.) 
Snow-white ; primaries with the basal two thirds of costa dark l)rown ; two dark-browm 
stripes (with buff and white central lines towards the costa) crossing one another in the form 
of a and uniting at basal third with a third ill-defined dark-brown transverse line ; external 
two thirds of inner border brown, gradually shading off into the outer border, which is orange 
with an internal black edge ; a marginal series of black dots; fringe with a central grey line : 
secondaries crossed by two divergent dark-brown stripes, the outer one submarginal and 
streaked with buff ; marginal border and fringe as in primaries : body banded with dai’k 
brown. Under surface altogether paler, with similar markings, but the discal stripes pale 
buff, with black internal margins. Expanse of wings 8 lines. 
Yokohama (Jonas). 
HYDROCAMPA, Lair. 
Hydrocampa cretacea. (Plate LIX. fig. 8.) 
Chalky white; wings crossed by two pairs of black-spotted testaceous lines, widely 
separated and inarched on the primaries ; an internally black-edged pale testaceous marginal 
line ; discocellular spots snow-white, with testaceous margins : primaries with the centre of the 
costa and a submarginal apical spot snow-white ; head and thorax snow-white, palpi black, 
with yellowish inner surfaces : under surface altogether paler. Expanse of wings 7 lines. 
Yokohama (Jonas). 
L 2 
