24 J. N. ELIOT 



55 (53) Under surface of hind wing variegated with mauve markings ; no basal or 



subbasal streaks. Fore wing with subcostal spot in space 5. Male clasp 



with terminal hook ........ radha (p. 106) 



- Under surface of hind wing with basal and subbasal streaks ; no mauve 



markings. Fore wing no subcostal spot in space 5. Male clasp without 

 terminal hook ........ narayana (p. 106) 



56 (49) Male hind wing with vein 8 almost as long as vein 1 of fore wing. Fore wing 



postdiscal spot in space 3 usually at least 1 mm. from the streak beyond cell 



cydippe (p. 107) 



- Male hind wing with vein 8 short, as usual. Fore wing postdiscal spot in 



space 3 usually separated from streak beyond cell only by the dark vein . 57 



57 (56) Upper surface of hind wing with discal and postdiscal bands the same colour . 58 



- Upper surface of hind wing with the discal band yellow or whitish, the postdiscal 



band brownish ........... 63 



58 (57) Fore wing upper postdiscal band in spaces 9 and 10 normal, comprising short 



streaks. Under surface of hind wing with markings on area between base 



and discal band ........... 59 



- Fore wing with a long yellow streak astride vein 10 uniting the upper post- 



discal band and the subcostal spots, which are only weakly indicated. 

 Under surface of hind wing with basal area unmarked . . beroe (p. 108) 



59 (58) Under surface of hind wing with discal and postdiscal bands outlined by wavy 



reddish lines. N. arachne group ........ 60 



- Under surface of hind wing without wavy reddish lines . . . . 61 



60 (59) Under surface with fore wing postdiscal spot in space 5 and hind wing discal 



band white ......... nemorosa (p. 108) 



- Fore wing postdiscal spot in space 5 and hind wing discal band yellow 



arachne (p. 108) 



61 (59) Fore wing without postdiscal spot in space 4 ...... 62 



- Fore wing with a postdiscal spot in space 4 . . . philyroides (p. 113) 



62 (61) Upper surface markings cream to orange. Under surface of hind wing with a 



washed-out appearance ...... manasa (p. 109) 



- — Upper surface markings white. Under surface of hind wing with prominent 



mother-of-pearl markings in basal area ..... nycteus (p. 109) 



63 (57) Male clasp without a terminal hook. Upper surface of hind wing with 



ochreous patches on termen between tornus and mid-space 3. N. thisbe 

 group 64 



- Male clasp with a long terminal hook. Upper surface of hind wing with termen 



uniformly blackish brown. N. themis group ...... 66 



64 (63) Under surface of hind wing with the subbasal lavender spot in space 5 well 



separated from the discal band, which has its two upper spots in spaces 6 and 



7 usually narrow ........... 65 



- Hind wing with the subbasal spot in space 5 touching or partly merged into 



the inner edge of the discal band, which usually has wide spots in spaces 6 



and 7 .......... . thisbe (p. 109) 



65 (64) Larger, fore wing length about 37 mm. Under surface of hind wing with post- 



discal band not faded out in the middle ; discal band with spot in 5 bluish 

 white ..... typical form of thisbe ssp. obscurior (p. no) 



- Smaller, fore wing length about 29 mm. Under surface of hind wing with post- 



discal band usually obsolescent in spaces 3, 4 and 5 ; discal spot in space 5 

 yellow ......... yunnana (p. no) 



66 (63) Under surface of hind wing with at least indications of a submarginal fascia . 67 



Under surface of hind wing unmarked yellow from postdiscal band to termen 



nemorum (p. 113) 



