18 Journ., Bom, Nat. Hist, Soc., Vol. XX, No. 1. [June 13, 1910. 
irrorated with whitish-ochreous, basal third more or less spotted with blackish, 
on costa with two entire blackish bars before apex. Hindwings pale grey ; 
cilia whitish-ochreous, 
Maskeliya, Ceylon (Pole) ;in January, April, May, August and October ; 
ten specimens, Closely allied and very similar to the preceding species, but 
differs by the distinctly broader fore and hind wings, the forewings somewhat 
dilated posteriorly, the presence of the dark streak or at least spot beneath 
costa posteriorly, and the antennzx not ringed with dark fuscous. 
Periacma limosa, un. sp. 
& 2 14-20 mm. Head, palpi, antenne, and thorax light brownish-ochreous, 
Abdomen grey, anal tuft pale ochreous. Forewings elongate, costa gently arch- 
ed, apex obtuse, termen obliquely rounded ; 7 to apex ; light ochreous, suffusedly 
irrorated with brownish or fuscous ; stigmata large, cloudy, indistinct, fuscous, 
plical hardly beyond first discal; sometimes an indistinct cloudy spot of 
fuscous suffusion towards apex: cilia light brownish-ochreous, sometimes 
with indications of fuscous spots. Hindwings grey ; cilia ight, grey, with two 
faint darker shades. 
Maskeliya, Kegalle, Polgahawela, Puttalam, Trincomali, Ceylon (Pole, 
Alston, Green) ; in May, and from October to December, twelve specimens, 
Periacma byrsodes, 0. sp. 
g 20 mm. Head pale greyish-ochreous. Palpi pale greyish-ochreous, irro- 
rated with blackish. Antennz and thorax pale greyish-ochreous irrorated 
with fuscous. Abdomen pale greyish-ochreous, irrorated with grey. Fore- 
wings elongate, costa moderately arched, apex obtuse, termen somewhat 
sinuate, rather oblique ; 7 to apex ; fuscous sprinkled with pale ochreous and 
blackish ; stigmata large, cloudy, very indistinct, formed of dark fuscous irro- 
ration, plical hardly beyond first discal, from second discal a streak of rather 
dark fuscous suffusion runs to submedian fold before tornus; a dark fuscous 
terminal line: cilia whitish-ochreous, with traces of an interrupted fuscous 
median shade. Hindwings grey ; cilia as in forewings. 
Hakgala, Ceylon (Green) ; in May, one spetimen. 
Periacma pentachora, n. sp. 
@ 16-20 mm, Head, thorax, and abdomen whitish-ochreous, shoulders dark 
fuscous, Palpi ochreous-whitish, basal joint and base of second irrorated 
with dark fuscous, second joint with a dark fuscous subapical dot, Antenne 
whitish-ochreous more or less suffused with fuscous, becoming dark fuscous 
towards base, Forewings elongate, slightly dilated posteriorly, costa gently 
arched, apex obtuse, termen straight, oblique ; 7 to apex ; whitish-ochreous, 
suffused with pale yellow-ochreous towards margins ; a moderate blackish 
spot on base of costa ; stigmata blackish, plical slightly beyond first discal, 
another dot between and above discal, and a fifth near beneath second discal ; 
suffused dark fuscous spots on costa at 4, 3, towards apex, and on tornus, 
variable in development and sometimes in part almost obsolete: cilia whitish- 
ochreous. Hindwings whitish-ochreous tinged with grey; cilia whitish- 
ochreous. 
[16] 
