of Lepidoptera Heterocera from Japan. 267 
Genus RIVULA. 
Guenée, Dup., Cat. Lep. Eur., p. 206 (1844); Hampson, 
Fauna Brit. India, Moths, 1, p. 334 (1894). 
165. 
Rivula angulata, sp. n. 
¢. Head and thorax whitish. Forewings whitish tinged with 
pink and clouded with brownish; antemedial line brownish, 
bidentate on costal area, thence inwardly oblique and slightly 
wavy to the inner margin ; postmedial line white, edged and shaded 
inwardly with brownish, outwardly oblique to just beyond the end 
of cell, thence inwardly oblique to the inner margin ; a brownish 
cloud beyond the postmedial and from this there is a waved, dusky 
line to the inner margin where it terminates in a small brownish 
cloud ; fringes brownish preceded by an interrupted black line 
which is extended along the costa to the brownish cloud. Hind- 
wings fuscous with traces of a darker medial line, fringes paler with 
an interrupted black line at their base. Under surface whitish 
ochreous ; forewings suffused with blackish on the basal two thirds ; 
hindwings speckled with brownish, a black discal dot and traces of a 
dark central line. 
Expanse, 20 mm. 
Male type from Yoshino, Yamato, August. 
A series of eight male and two female specimens taken 
at Yoshino, Yamato, in May, June, July and August, 1900. 
Expanse of series, 20 mm. # to 22 mm. . 
Local distribution. HoNnno. 
Habitat. JAPAN. 
Collection number, 1250. 
166. 
Rivula biatomea. 
Rivula biatomea, Moore, Proc. Zool. Soc. Lond., p. 29 
(1883); Hampson, Fauna Brit. India, Moths, ii, p. 335 
(1894). 
One male and two female specimens taken at Taniyama, 
Satsuma, in July, 1895, and at Miyazaki, Hyiaga, in 
September, 1895. 
Hitherto unrecorded from Japan. 
Local distribution. Kytsxt. 
General distribution. NILGIRIS; CEYLON; JAPAN. 
Collection number, 1379. 
