of Heterocera from Japan. 291 
downwards; the wing beyond this line and the costal area as 
far as the third line suffused with brown; fifth line whitish 
and nearly straight to the first median branch, where it is 
replaced by a dark grey 3-shaped line; a submarginal series 
of short longitudinal whitish lines terminating in black dots ; 
fringe dark grey, traversed by a whitish line: secondaries 
pale brown, with a broad fuliginous outer border; fringe stra- 
mineous: thorax grey, black-speckled, crest of head and 
collar jet-black ; abdomen greyish, with the base and edges 
of the segments whitish; anal tuft stramineous. Under 
surface pale sandy yellow: wings with a broad blackish ex- 
terno-discal band, outer border brownish, widest in primaries ; 
fringe of these wings dark grey, with basal whitish line, dis- 
coidal cell and interno-median area greyish: secondaries with 
a grey dot at the end of the cell; front of pectus and legs 
above greyish. Expanse 2 inches 6 lines. 
Yokohama (Jonas). 
Of more than twice the bulk of any known species. 
Ommatophoride. 
142. Nyctipao letitia, n. sp. 
Near to N. crepuscularis, but altogether duller; the white 
discal stripe not bordered with lilac; the yellowish outer border 
of the arched white stripe and the diffused oblique bars on the 
external area replaced by dull pale brown; all the dark areas 
fuliginous; the ocellus smaller, its front margin more regu- 
larly convex; the white lunules on the disk of all the wings 
more slender, and enclosing large blackish spots. Under 
surface darker and duller, the white spots of the discal series 
rather larger, and the other spots smaller; the inner arched 
streak of secondaries further from the discal series of spots. 
Expanse 4 inches 5 lines. 
Hakodaté (Whztely) ; Yokohama (Jonas). 
Hypopyride. 
143. Sprrama interlineata, n. sp. 
Spiramia (sic) japonica, Walker (nec Guénée), Lep. Het. Suppl. iii. 
p. 948 (1865). 
3, Yokohama (Jonas); ¢ , Japan (Fortune). 
S. interlineata chiefly differs from the S. rectifasciata of 
Ménétriés, of which we also possess both sexes, in the creamy 
tint of the white belt, which in the primaries is traversed by 
two parallel brown lines. 
