APOKIA. 161 



lower ; veia 8 lost, vein 9 out of 7 close to apex, 10 and 11 free, 

 10 from just before upper apex of cell. Hind wing: comparatively 

 long, narrow, subpyriform ; cell elongate, discocellulars outwardly 

 oblique ; precostal vein simple, straight. Antennae about half 

 length of fore wing, club flattened, gradual ; palpi slender, sub- 

 porrect, hairy in front, third joint about half length of second. 



Key to the forms of Aporia. 



A. Upperside : ground-colour white, veins more 



or less black, but that colour never dilated 

 where the veins cross disc of wings, no 

 irroration of black scales except slightly at 

 base of wings. 



a. Upperside : fore wing without qr rarely with 



an anterior postdiscal transverse black 

 band. Of comparatively large size, expanse 

 over 60 mm ........................... A, soracte, p. 161. 



b. Upperside : fore wing with an anterior post- 



discal transverse black band always pre- 

 sent. Of comparatively small size, expanse 

 well under 60 mm ..................... A. balucha, p. 162. 



B. Upperside : ground-colour white, generally 



thickly overlaid with an irroration of black 

 scales" at least over the basal half or three- 

 fourths of wings ........................ A. nabellica, p. 163. 



C. Upperside : ground-colour black or dark 



brownish-black, or if white then veins of 

 both fore and hind wings broadly bordered 

 with black, that colour dilated where veins 

 cross disc of wings. 



a. Upperside : ground-colour black. 



a'. Upperside : markings on both fore and 



hind wings white, narrow ; white streak 



in interspace 1 of fore wing always more 



or less traversed by a longitudinal black 



line .............................. A. agathon, p. 163. 



b'. Upperside : markings OE both fore and hind 



wings white, broad ; white streak in 



interspace 1 of fore wing not divided 



or traversed longitudinally by a black \ A. agathon, var. ? 



line .............................. \ caphusa, p. 165. 



b. Upperside : ground - colour white, veins 



broadly bordered with black, that colour , A 



dilated where veins cross disc of wings .. \ A ' t*'. '"l66. 



584. Aporia soracte, Moore, Cat. Lep. Mm. E. I. C. i, 1857, p. 83 ; 

 id, P. Z. S. 1882, p. 256, pi. 11, fig. 5, larva ; Mackinnon $ de N. 

 Journ. Bomb. N. H. Soc. xi, 1898, p. 589. 



cT ? Upperside: milk-white, with all the veins, especially of the 



VOL. II. M 



