OLIGIA. 375 



Ab. 1. mcerens. Ground-colour blackish ; fore wing with the 

 grey areas suffused with fuscous. 



Bab. Britain, Leech Coll. ; France, Sand and Leech Colls. ; 

 Jutland ; GERiiANr, Zeller, Frey, and Leech Colls. ; Austria ; 

 Hungary ; Switzerland ; S. Sweden ; Rumelia ; AV. Siberia, 

 Altai; E. Turkestan, Hi; E. Siberca, Ussuri. Exy. 32-36 

 millim. 



Larva. Meyr. Brit. Lep. p. 134 ; Barrett, Lep. Brit. ir. p. 401, pi. 184. f. 3. 



Dull pinkish ochreous ; spiracular line whitish ; head dark brown ; 

 thoracic plate brown. Eood-plant : stems and roots of Phalaris 

 arundinacea. 8-5. 



3195. Oligia albirivula, n. sp. (Plate CXVII. fig. 21.) 



5 . Head and thorax whitish mixed with bright rufous ; palpi 

 bright rufous ; frons with dark lateral bars ; tarsi fuscous ringed 

 with whitish ; abdomen grey tinged with rufous. Fore wing with 

 the inner and postmedial areas except at costa white, the basal 

 costal area, medial area to submedian fold, and terminal area bright 

 rufous ; subbasal line double, waved, from costal to submedial fold, 

 with a slight blackish streak beyond it above vein 1 ; antemedial 

 line double, angled outwards below costa, incurved in cell, then 

 strongly excurved and slightly angled inwards on vein 1 ; claviform 

 defined by brown, extending to median nervure ; orbicular with 

 slight ochreous annulus defined by brown, elongate elliptical ; reni- 

 form defined by brown, with whitish centre defiiied by brown and 

 yellowish annulus on inner side, whitish on outer, somewhat angled 

 inwards on median nervure ; postmedial line double, bent outwards 

 below costa, incurved at discal fold and strongly below vein 4, some 

 whitish points beyond it on costa ; subterminal line defined by a 

 rufous shade on inner side, angled outwards at vein 7 and totermen 

 at veins 4, 3 ; terminal area with dark patches at middle and above 

 tornus ; a terminal series of black lunules ; cilia rufous, mixed 

 with black towards tornus and with series of black spots at tips. 

 Hind wing whitish tinged with brown ; a terminal series of dark 

 striae ; the underside whitish irrorated with brown, a slight dark 

 discoidal spot, curved postmedial line, and terminal series of striae. 

 Hah. Assam, Khasis, 1 $ type. Exp. 30 millim. 



3196. Oligia violacea. (Plate CXVII. fig. 22.) 



Hadena violacea, Grote, Bull. Geol, Geog. Siirv. Terr. vi. p. 261 (1881) ; 

 Smith, Cat. Noct. N. Am. p. 141, 



$ . Head and thorax white mixed with a few reddish and black 

 scales ; frons with lateral blackish bars ; abdomen white slightly 

 irrorated with brown and tinged with rufous at sides. Fore 

 wing white suffused with purple, the base yellowish white 

 irrorated with brown, the costal area dark brown irrorated with 

 white from subbasal to subterminal line, the terminal area 



