‘of Lepidoptera Heterocera from Japan. 313 
wavy, and the submarginal is whitish, wavy, indistinct. Fringes of 
all the wings whitish grey preceded by a wavy black line. Under- 
side whitish, powdered with fuscous brown ; all the wings have a 
blackish discal dot and traces of a blackish postmedial line on the 
costa. 
Expanse 40 mm. 
A series of three male specimens taken at Hakodate, 
April, 1902, measuring in expanse from 37 to 40 mm. 
Agrees very closely in markings with B. interrupta, and 
possibly may be a pale form of that species. 
Local distribution. YEZO. 
Habitat, JAPAN. 
Collection number, 526. 
251. 
Boarmia interrupta, sp.n. (Plate XXX, fig. 2.) 
g. Antennae bipectinate, the branches slender and decumbent. 
Forewings brownish, upper part of median third whitish brown as 
also is the space between the antemedial and medial lines ; ante- 
medial line black, curved through the cell thence slightly oblique 
to the inner margin, a black dot on it at costa and at median 
nervure ; postmedial line black, outwardly edged with whitish- 
brown, undulated ; medial line outwardly oblique from costa to 
middle of the cell where it is bent inward to lower angle of the 
cell thence almost parallel with postmedial to the inner margin ; 
submarginal line whitish, wavy, outwardly edged with deep brown. 
Hindwings whitish brown powdered with darker ; antemedial line 
brown, not well defined especially towards the costa ; postmedial 
line blackish, serrate, followed by a brown shade; submarginal band 
whitish, wavy, indistinct towards the costa. Fringes of all the wings 
greyish brown, preceded by a black wavy line, the line on fore- 
wings with black dots on it. Underside whitish, suffused with 
fuscous on forewings and powdered with fuscous on the hindwings ; 
all the wings have a blackish discal dot and a dusky transverse line 
beyond, but that on the forewings is only traceable on the costal 
area. 
Expanse 36 mm. 
Male type from Tokyo, April, 1898. 
Local distribution. Honpo. 
Habitat. JAPAN. 
Collection number, 526a. 
