POEITIA. 459 



'. Upperside fore wing : blue colour ex- 

 tended into interspace 2 ; subterminal 

 spots and upper discal markings of 



blue generally present P. Jieicitsoni, p. 46C . 



b'. Upperside fore wing : blue colour never 

 extended into interspace 2 ; subter- 

 minal spots and upper discal markings 



of blue never present P. Sumatra, p. 462. 



b. Upperside fore wing : basal half or more 



of cell blue. 

 '. Upperside fore wing: no preapical or 



subterminal spots or streaks of blue. 

 a 2 . Upperside fore wing : blue colour 



not extended into interspace 3 .... P. pleurata, p. 464. 

 b 2 . Upperside fore wing : blue colour 



extended into base of interspace 3. . P. phraatica, p. 465. 

 b'. Upperside fore wing : preapical and 

 suDterminal spots and streaks of blue 



present . P. erycinoides, p. 461. 



B. Underside : markings consist of only' discal 

 and postdiscal transverse lines or bands, 

 simple or lunular, not catenulated, and 

 terminal non-annular markings. 



a. Underside fore wing : a broad white discal 



band P. harterti, p. 466. 



b. Underside fore wing: no wbite discal band. 

 '. Upperside fore wing : blue or green 



markings along lower side of median 

 vein form a series of short longitu- 

 dinal streaks at the bases of inter- 

 spaces 1 to 4 P. phalia, p. 467 



b'. Upperside fore wing: blue or green 

 markings along lower side of median 

 vein form a continuous outwardly 

 clavate streak '. P. pediada, p. 469. 



22- 



A. Underside : markings similar to those of 



the males under A in above Key. 

 o. Upperside fore wing : with more or less 



of blue colouring. 

 a. Upperside fore wing : a yellow discal 



patch above blue area. 

 2 . Upperside hind wing : blue area 

 comparatively large, consisting of 

 outwardly broadened streaks in 



posterior "interspaces P. hewitsoni, p. 460. 



b'-~ Upperside hind wing : blue area 

 much restricted, reduced to discal 



quadrate spots in interspaces 3 and 4. P. erycinoides, p. 462. 

 b'. Upperside fore wing : no yellow patch ; 



blue area large. 



a . Upperside fore wing: subterminal 

 transverse series of blue spots sepa- 

 rated by a series of short, terminal, 

 ochraceous-yellow lines along the 

 veins , P. Sumatra, p. 463. 



