DICHKOMIA.— HYPENA. 55 



deep ochreous : primaries below greyish, ochraceous externally ; pectus sordid whitish ; legs 

 greyish ; venter sordid ochreous. Expanse of wings 1 inch 2 lines. 

 Yokohama {Jonas). 



Dichromia arnica, n. sp. (Plate XXXVIII. fig. 3.) 



Allied to T. triplicalis ; it differs from the preceding species in its darker primaries, with 

 a sprinkling of grey scales on the external area, also in the broad smoky- brown border of the 

 secondaries, which are, moreover, sordid towards the base, and "the brown abdomen. Expanse 

 of wings 1 inch 4 lines. 



Yokohama (Jonas) ; Hakodate* (Whitely). 



HYPENA, Schrank. 

 Hypena vigens, n. sp. (Plate XXXVIII. fig. 4.) 



Nearly allied to the Indian H. abducalis, but more sericeous, the oblique belt less sharply 

 defined, with white instead of creamy edges ; the four discal lines wider apart ; fringe of 

 primaries with three slender parallel blackish lines, of secondaries with two very pale subcon- 

 fluent grey lines. Expanse of wings 1 inch 5 lines. 



Yokohama (Jonas). 



Hypena ella, n. sp. (Plate XXXVIII. fig. 5.) 



Allied to H. velatipennis from Natal, but the primaries redder, the central transverse line 

 pale blue instead of yellowish, the external area (excepting the spots, which are black or 

 blackish in H. velatipennis) sprinkled with blue scales. Expanse of wings 1 inch 2 lines. 



Yokohama (Jonas), 



Hypena stygiana, n. sp. (Plate XXXVIII. fig. 6.) 



Wings above fuliginous brown : primaries crossed from basal fourth by a very broad 

 white-edged blackish band, its inner edge zigzag, its outer edge almost bracket-shaped ; an 

 oblique dusky apical dash and indications of a series of discal spots ; a slender interrupted 

 blackish marginal line : under surface pale greyish brown ; secondaries with a black discocel- 

 lular spot. Expanse of wings 1 inch 5 lines. 



Yokohama (Jonas). 



Hypena columbaris, n. sp. (Plate XXXVIII. fig. 7.) 



Upper surface pale brown, washed with lilacine grey ; primaries with an indication of* 

 markings as in H. abducalis ; secondaries with white fringe. Expanse of wings 1 inch 3 lines. 

 Yokohama (Jonas). 



Apparently allied to H. vigens, but differing entirely in the form of the palpi. 



