HYMENIA. — HTDEOCAMPA. 75 



HYMENIA, Hiibn. 



Hymenia tricolor. (Plate LIX. fig. 6.) 



Dark bronzy brown with a very feeble lilaciue tint ; fringe narrow, white at anal angles ; 

 primaries with a small ajjot 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 

 antennae, 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). 



HYDROCAMPID^. 



OLIGOSTIGMA, Guen. 



Oligostigiua corculina. (Plate LIX. fig. 7.) 



Snow-white ; primaries with the basal two thirds of costa dark l)rown ; two dark-brown 

 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, gradiially 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 submargiual and 

 streaked with bufl:' ; marginal border and fringe as in primaries : body banded with dark 

 brown. Under sui'face altogether paler, with similar markings, but the discal stripes pale 

 bulf, with black internal margins. Expanse of wings 8 lines. 



Yokohama [Jonas). 



HYDROCAMPA, Latr. 



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. 



Y'okohama [Jonas). 



l2 



