228 
Annals of the Transvaal Museum. 
gently arched, apex obtuse, termen rounded, oblique ; light grey, 
irregularly sprinkled with darker ; costa blackish, marked with oblique 
whitish strigulae, posteriorly paired and giving rise to short bluish-leaden 
marks ; basal patch indicated by striae of blackish irroration, and an 
elongate discal patch of blackish suffusion representing angle ; central 
fascia represented by an oblique dark streak from costa, an irregular patch 
of blackish suffusion in disc, edged posteriorly by a white spot, and some 
darker suffusion towards dorsum, in which is a triangular sub-dorsal patch 
of whitish- ochreoUs suffusion edged above with black ; ocellus small, 
edged laterally with bluish-leaden, veins within ft suffused with black ; 
space above this marked with black lines on veins, limited above and 
posteriorly by an oblique bluish-leaden line from post-median pair of 
costal strigulae ; cilia grey sprinkled with white points, with a white basal 
streak along termen. Hind wings rather dark grey ; cilia grey, with 
darker sub-basal shade. 
Woodbush Village, in December (Swierstra) ; two specimens. 
Polychrosis incultana, Walk. 
Pretoria, in March (Janse) ; one specimen. Hitherto I have only seen 
this from Mauritius, where it is common. 
Argyro'ploce orthacta , Meyr. 
Male, 14 mm. Antennal ciliations minute. Abdomen rather long, 
anal tuft ochreous-whitish. Posterior tibiae whitish, shortly rough-haired 
above. Hind wings with dorsal edge thickened, yellowish tinged, with 
slight sub-dorsal furrow clothed with hairs. 
Pretoria, in October (Janse). 
Argyroploce sistrata, n. sp. 
Male and female, 17-20 mm. Head brownish, mixed or partly suffused 
with indigo- blackish. Palpi porrected, ferruginous-brownish mixed or suffused 
with dark fuscous. Thorax dark fuscous, somewhat whitish sprinkled, 
crest ferruginous. Abdomen in male whitish-fuscous, in female dark fuscous. 
Posterior tibiae in male clothed with dense long rough whitish hairs above 
and beneath, in female more shortly rough-scaled. Fore wings elongate, 
moderate, posteriorly dilated, costa gently arched, apex rounded, termen 
slightly rounded, somewhat oblique ; seven indefinite, apparently to 
apex ; dark purplish-fuscous, with irregularly scattered small raised spots 
of leaden-metallic scales ; basal patch and central fascia indicated by 
irregular blackish marks and suffusion, but undefined, latter followed by 
an undefined spot of deep red-brown suffusion above middle ; beyond an 
obtusely angulated line from three-quarters of costa to tornus, the posterior 
area is suffused with ochreous-whitish, except a more or less developed 
apical patch of red-brown suffusion, and an oblique blackish striga or spot 
from above middle of termen ; cilia leaden-grey with two blackish lines, 
beneath tornus whitish mixed. Hind wings in male pale grey, in female 
dark grey ; dorsum in male clothed with long hairs ; under surface in 
male with a roundish patch of blackish-grey modified scales below 
middle of disc ; cilia in male ochreous-whitish, round apex suffused with 
grey, in female grey-whitish with grey sub-basal shade. 
