160 NociuiB,!:. 



strigse from costa and cell, tlie antemedial by a black striga from 

 costa and a Hue from cell to inner margin, excurved in submedian 

 interspace and very strongly dentate above inner margin ; claviform 

 elongate, defined by black : orbicular and reniform small, defined by 

 black, tbe former produced on outer side, the latter with dark 

 streaks in the interspaces from it to the postmedial line, which is 

 minutely dentate, bent outwards below costa, excurved to vein 4, 

 then oblique, the subterminal line indistinct, dentate outwards at 

 veins 7, 6, 4, 3, and defined by dentate brown marks on its inner 

 side ; a terminal series of black points ; cilia pale, with a dark line 

 through them. Hind wing pale fuscous brown ; the cilia pale, with 

 a brown line through them ; the underside with discoidal spot and 

 indistinct curved postmedial line. 



5 . Grey-brown to dark brown ; the wings reduced to about two- 

 thirds length ; the markings of fore wing less prominent. 



Ab. 1. hombycia. Much darker ; fore wings fuscous black ; hind 

 wings grej'-black. — Siberia, Mongolia. 



Hah. Feance, Pyrenees ; Switzerland, Zeller and Prey Colls. ; 

 JN'oRWAT ; Rttssia, Urals ; Armenia, Caucasus ; W. Siberia, Altai ; 

 Mongolia. Exjj., <S 46, $ 24-32 milHm. 



Larva. Mill. Ann. Soc. Lmn. Lyon, (2) xix. p. 44, pi. 112. ff. 5-8. 



Young stages : clear ochreous. Adult : blue-green, darker on 

 dorsum ; warts and stigmata black, each with a single hair ; lines 

 almost obsolete ; thoracic shield black ; head reddish yellow with 

 lateral black fasciae. Pood-plant, grasses. 



B. (Scotia). Female with the wings fully developed. 



a. Fore wing with dark fascia below base of cell confluent 



with the claviform. 

 a^. Hind wing white. 



cr. Fore wing blue-grej^ with rufous in discal and 



submedian folds cndogcsa. 



b'^. Fore wing brownish grey without rufous in 



discal and submedian folds sahulosa. 



b^. Hind wing suffused with fuscous. 



a^. Fore wing witli short blackish marks in inter- 

 spaces beyond lower angle of cell areiiivolans. 



b'^. Fore wing with black streaks in interspaces 



beyond the cell chretieni. 



b. Fore wing without dark fascia below base of cell. 



a\ Hind wing with dark patch on apical area on 

 miderside. 

 CI?. Fore wing with the reins pi-ominently defined 



by white streaks ... rcpcmdcc. 



- Ir. Fore wing with the veins not prominently 

 defined by white streaks. 

 a?. Forewingwiththeorbicular elongate, elliptical, radians. 

 W'. Fore wing with the orbicular rounded. 



a'. Fore wing with the cell dark between the 



stigmata infiisco. 



6*. Fore wing with the cell between the 



stigmata not darker than the ground-colour, porphyricollis. 

 1^. Hind wing without dark patch on apical area on 

 underside. 

 «,-. Hind wing white, the terminal area more or less 

 tinged with brown in female only. 



