110 = Jour., Bom. Nat. Hist. Soc., Vol. XXI., No. 1. [ October 31, 1911. 
Puttalam, Ceylon; Calcutta; Khasis ; Kuching, Borneo ; twelve specimens. 
Opogona stathmota, n. sp. 
36 2. 11-16 mm. Head dark fuscous, face ochreous-whitish. Palpi 
ochreous-whitish, externally with a streak of dark fuscous suffusion. 
Antennze ochreous-whitish, basal joint dark fuscous. Thorax dark fuscous, 
posterior third yellow. Abdomen fuscous. Hairs of posterior tibize pale 
grey. Forewings elongate-lanceolate, apex acute, somewhat produced ; 
yellow ; a small triangular dark fuscous spot on base of costa, extending less 
than 4 of wing ; posterior half fuscous with slight purple gloss, its anterior 
edge rather outwardly oblique from costa, marked with a few black scales, 
with two or three slight irregular indentations: cilia fuscous. Hindwings 
rather dark grey; cilia grey. 
Maskeliya, Ceylon (Pole, Alston, de Mowbray); N. Coorg, 3,500 feet 
(Newcome) ; from March to May, and August to October, eight specimens. 
In semisulphurea the division of colour is nearly vertical, and the basal mark 
of costa forms a streak extending about 4 of wing; in zsoclina the division 
is much more oblique, and the hairs of posterior tibize are ochreous- 
whitish. 
Opogona vanthocrita, n. sp. 
@.14-15 mm. Head dark purple-fuscous, face ochreous-whitish. Palpi 
ochreous-whitish, externally with streak of dark fuscous suffusion. Anten- 
ne ochreous-whitish, basal joint dark fuscous. Thorax yellow, anterior 
third dark purple-fuscous. Abdomen greyish. Hairs of posterior tibiz 
pale whitish-ochreous tinged with grey. Forewings elongate-lanceolate, 
apex somewhat produced, acute; clear yellow; a wedge-shaped dark purple- 
fuscous mark on base of costa, extending hardly % of wing ; somewhat more 
than posterior half rather dark fuscous, with slight purplish gloss, anterior 
edge vertical, slightly irregular, marked with a few blackish scales ; cilia 
fuscous. Hindwings grey ; cilia pale greyish. 
Nilgiris, 3,500 feet (Andrewes) ; N. Coorg, 3,500 feet (Newcome) ; from 
August to November, five specimens. Intermediate between semisulphurea 
and stathmota in wing-markings, but differs from both in having the thorax 
mainly yellow. 
Opogona pandora, fi. sp. 
3 9. 13-14 mm, Head rather dark purplish-fuscous, face ochreous- 
whitish. Palpi ochreous-whitish, externally suffused with dark fuscous, 
Antenne ochreous-whitish, basal joint rather dark fuscous above. Thorax 
dark purplish-fuscous, posterior third pale yellow. Abdomen grey. Fore- 
wings elongate-lanceolate, apex produced, acute; rather dark purplish- 
fuscous ; a light yellow oblong blotch extending along dorsum from base 
to near middle of wing, and reaching } or more across wing, posterior edge 
rather irregular : cilia fuscous. Hindwings rather dark grey ; cilia grey. 
Khasis, in October ; two specimens. 
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