470 Mr. E. Meyrick on 
Mixophyla venatalis, Walk. (— usalis) (erminea, 
Moore). Sambawa. 
Pterygisus fedalis, Gn. Sambawa, Pulo Laut. 
Cymoriza fulvobasalis, Snell. §.H. Borneo. 
Hydrocampa oxygona, sp. n. 
gd. 21 mm. Forewings fuscous ; lines slender, white, first 
curved, second angulated beneath costa, at 2 abruptly curved up- 
wards to middle of disc, thence again abruptly curved downwards, 
angulated above dorsum ; a subterminal row of uneven white dots. 
Hindwings fuscous, lighter in disc; extreme base and a subbasal 
line whitish; lines slender, white, first hardly curved, second 
forming an acute angular prominence in middle ; a round blackish 
discal spot ; a subterminal row of white dots. 
Sambawa; one specimen. 
Nymphula irialis, Walk. (—usalis). Pulo Laut. 
N. responsalis, Walk. §.H. Borneo. 
N. turbata, Butl. S.E. Borneo. 
N, diminutalis, Snell. S.E. Borneo. 
N. villidalis, Walk. (unilinealis, Snell.) S.E. Borneo. 
OLIGERNIS, g. n. 
Forehead rounded ; ocelli present ; tongue developed. Antenne 
3, in ¢@ serrate, minutely ciliated. Labial palpi long, curved, 
ascending, second joint loosely scaled beneath, terminal joint nearly 
as long, acute. Maxillary palpi moderate, with loose spreading 
scales. Posterior tibize with outer spurs almost: as long as inner. 
Forewings with 3, 4, 5 approximated at base, 10 out of 9, 11 
absent. Hindwings with 3 and 4 froma point, 7 out of 6 near 
origin, anastomosing with 8 to near middle. 
A specialised development of Nymphula. Type, O. 
endophthalma. 
O. endophthalma, sp. n. 
&@. 11 mm. Forewings elongate-triangular, apex rectangular, 
hindmargin bowed, little oblique ; white ; basal area suffused with 
light fuscous ; first line white, indistinct, edged on costa with 
ochreous-yellow, elsewhere with a cloudy dark fuscous suffusion ; 
an ochreous-yellow streak from middle of first line to 3 of disc, 
thence angulated to costa at ¢; a similar ochreous-yellow streak- 
beneath and parallel to this, but more curved, not reaching costa. 
