DESCRIPTIONS OF SOUTH AFRICAN MICRO=LEPIDOPTERA. 
By E. Meyrick, B.A., F.R.S. 
III. 
Eucosmidae. 
Eucosma nasuto, n. sp. 
14 mm. Head, palpi, and thorax light brownish- ochreous. 
Abdomen grey, anal tuft whitish. Forewings elongate, narrow, costa gently 
arched, without fold, apex forming a long rounded prominence, termen 
abruptly excavated beneath this ; brownish-ochreous sprinkled with brown 
and fuscous, suffused with brown on costal half except towards base ; 
dorsum and anterior half of costa dotted with blackish ; a slight blackish 
transverse mark beneath fold before middle ; some dark fuscous scales 
on angles of cell ; cilia brownish-ochreous, round apex with a blackish 
sub-basal shade, above apex with a blackish hook. Hindwings with 3 and 
4 stalked ; grey, veins darker ; cilia pale greyish, suffused with pale 
ochreous round apex and upper part of termen. 
Ngqeleni, West Pondoland (Swinny) ; in August, one specimen. 
Characterized by the peculiar form of wing. Type in Transvaal Museum. 
Bactra quadratica, n. sp. 
$. 14 mm. Head and thorax whitish-ochreous, face more whitish. 
Palpi 2J, pale ochreous-yellowish, apex white. Abdomen whitish. Fore- 
wings elongate, rather narrow, costa gently arched, slightly bent in middle, 
apex round-pointed, termen straight, oblique ; whitish-ochreous, with 
some scattered black scales ; a few fine strigulae of black irroration on 
costa ; an undefined ochreous longitudinal mark towards fold before 
middle ; central fascia narrow, oblique, irregular-edged, ochreous, suffused 
with dark grey on costa ; an ochreous irregular streak close before termen 
from costa reaching three-fourths across wing, costal edge black ; an 
interrupted black terminal line : cilia glossy whitish-ochreous. Hindwings 
with 3-5 rather remote ; grey- whitish ; cilia whitish. 
Ngqeleni, West Pondoland (Swinny) ; in August, one specimen. Allied 
to harmonia Meyr., which was described as a Polychrosis, but appears to 
have no thoracic crest, and is therefore properly referable to Bactra. 
Type in Transvaal Museum. g 
Polychrosis stericta , n. sp. A] 
cJ. 12 mm. Head brownish, suffused with dark fuscous on crown 
and a central streak on forehead. Palpi brownish, irregularly irrorated 
with dark fuscous. Thorax brownish, somewhat mixed with dark fuscous. 
Abdomen fuscous. Forewings elongate, posteriorly dilated, costa slightly 
arched, apex obtuse, termen slightly rounded, rather oblique ; white, 
irregularly mixed with pale grey and orcheous-brownish, with a few black 
