296 PERCY SLADEN TRUST EXPEDITION 



shoulders and on each side of back greyish-ochreous irrorated with dark fuscous. Abdomen 

 prismatic-grey. Forewings elongate-lanceolate, apex produced, acute, upturned; shining 

 white, with slight violet reflections; markings ochreous suffusedly irrorated with dark 

 fuscous; a narrow median streak from near base to near apex; a broad patch extending 

 along dorsum from base to tornus, narrowed posteriorly, interrupted by an oblique bar 

 of groundcolour beyond middle; a spot before termen beneath median streak; a very 

 oblique blackish striga from middle of costa to f , not reaching median streak, and another 

 from f of costa to an elongate black apical mark: cilia whitish, round apex with a brown 

 patch on basal -§. Hindwings grey, with prismatic brassy reflections; cilia light grey, 

 tinged with violet. 



Silhouette, south side of Mont Pot-a-eau, 1500 feet, in August; two specimens. 



86. Hieroxestis irenica, n. sp. 



$%. 6 — 7 mm. Head and thorax pale ochreous-bronze, fillet and face white. Palpi 

 white, second joint with a dark fuscous line on side. Abdomen whitish-grey. Forewings 

 lanceolate, apex slenderly produced, acute, upturned; bronzy-ochreous, becoming golden- 

 ochreous towards apex; three oblique white fasciaform patches from costa at ^, middle, 

 and f , reaching half across wing; some undefined whitish suffusion towards dorsum, 

 apparently indicating corresponding oblique patches; a small round black apical spot: 

 cilia whitish, on costa with three somewhat diverging dark fuscous bars, on termen grey 

 towards base. Hindwings light grey; cilia grey-whitish. 



Mahe\ Cascade Estate, 1000 feet; Silhouette, Mare aux Cochons plateau, 1000 feet; 

 in September and February, five specimens. 



87. Hieroxestis rhodothicta n. sp. 



$%. 10 — 11mm. Head whitish-ochreous, face shining white. Palpi white. Thorax 

 pale ochreous. Abdomen grey. Forewings rather broadly lanceolate, apex produced, 

 acute, somewhat twisted, rather upturned; pale yellow-ochreous, costal edge suffusedly 

 white; blackish subbasal dots on costa and in middle; small spots of fuscous suffusion 

 immediately beneath costa at ^, f , andf ; disc slightly tinged with fuscous; small blackish 

 oblique triangular spots on dorsum at £, middle, and f ; an apical patch of pale rose- 

 pink suffusion, including a small black apical spot : cilia ochreous-whitish, more ochreous 

 towards base, round apex with basal half deep ochreous, at origin on costa with a 

 small fuscous spot, on termen tinged with grey. Hindwings dark grey; cilia grey. 



Mahe, near Morne Blanc, 1000 feet; Silhouette, Mare aux Cochons plateau; in 

 September and October, two specimens. 



88. Hieroxestis hermatias, n. sp. 



£%. 8 — 11 mm. Head and thorax light fuscous, face whitish. Palpi whitish, 

 second joint dark fuscous externally. Abdomen whitish-fuscous. Forewings elongate- 

 lanceolate, apex acute, upturned; light fuscous, sometimes mostly suffused with whitish, 

 or posteriorly suffused with dark fuscous irroration; oblique streaks of dark fuscous 

 suffusion from costa and dorsum near base, often obsolete; three strong very oblique dark 

 fuscous streaks from costa between f and apex, separated by white streaks, reaching half 

 across wing, first often preceded by a suffused white streak, third running into apex and 



