VCROXrCTA. 99 



•i'\ Fore wing with the orbicular well- 

 developed. 



a 7 . Fore wing with the orbicular round ... auricoma, 

 fr . Fore wing with the orbicular quadrate, 



whitish pidverosa. 



b 6 . Fore wing with the orbicular minute. 

 u? '. Fore wing with the antemedial line 



double, distinct menyan/hidis. 



b 7 . Fore wing with the antemedial line 

 single, obsolescent. 

 a a . Fore wing with the basal streak 

 reaching antemedial line. 



a . Fore wing blue-grey canadensis. 



h'. Fore wing grey-white. 

 a n '. Fore wing thickly in-orated with 



fuscous Cinderella. 



b 10 . Fore wing sparsely irrorttted with 

 fuscous. 

 a 11 . Fore wing creamy-white, the 

 post medial line incurved in sub- 

 median fold lepusculina. 



b li . Fore wing chalky white, the 

 post medial line angled inwards 



in subinedian fold chionochroa. 



If. Fore wing with the basal streak not 

 reaching antemedial line. 

 a 9 . Fore wing white irrorated with 



fuscous populi. 



IF. Fore wing brown irrorated with 



white simila7ia. 



b 5 . Fore wing without black streak in sub- 

 median fold crossing postmedial line. 

 a e . Fore wing with the postmedial line 

 strongly dentate. 

 a 7 . Hind wing with the ground-colour 



whitish gastridia. 



b 7 . Hind wing with the ground-colour 



orange metaxantha. 



b 6 . Fore wing with the postmedial line 

 minutely dentate. 

 a 7 . Fore wing blue-grey ; hind wing white 

 in male. 

 a". Fore wing with prominent white 

 lunule on postmedial line in sub- 

 median fold nigricans. 



b 9 . Fore wing without prominent, white 

 lunule on postmedial line in sub- 

 median fold emaculata. 



b 7 . Fore wing pale grey ; hind wing tinged 

 with brownish ocbreous. 

 a 8 . Fore wing with fuscous shade on 



inner area impressa. 



i 8 . Fore wing without fuscous shade on 



inner a> - ea distans. 



b 3 . Fore wing with series of dark streaks in inter- 

 spaces of terminal area. 

 a 4 . Fore wing with the postmedial line with 

 strong whitish teeth interrupted by dark 

 streaks at disci 1 and submedian folds edolata. 



E 



M 



