PARNASSIUS. 117 



Key to the forms of Parnassius. 



A. Fore wing : vein 10 not anastomosed with 

 vein 11. 



a. Hind wing upperside : spots of the sub- 



terminal series lunular. 

 a'. <5 $ . Cilia of fore wing typically pure 

 white ; anal pouch in fertilized 5 with 

 a strong posterior carina .......... P. jacquemonti, p. 118. 



V. c? $ Cilia of fore wing white, always 

 conspicuously alternated with black ; 

 anal pouch in fertilized $ without 

 carina. 

 a 2 . d $ . Expanse over 60 mm ....... P. epaphus, p. 120. 



b 2 . c? 2 . Expanse under 55 mm ..... P. epaphus, race 



b. Hind wing upperside : spots of the sub- sikhunensis, p. 121. 



terminal series rounded. 

 a'. Hind wing underside with a con- 

 spicuous basal series of red or crimson 

 spots ............................ P. hardv:ickei, p. 121. 



b'. Hind wing underside without a basal 



series of red spots. 



a 2 . Termen of hind wing with a more or 

 less well-defined edging of dusky 

 subhy aline black. 

 a 9 . Hind wing upperside : series of 



subterminal spots complete. 

 a*. Hind wing upperside: subter- 

 minal spots not centred with 

 blue no red or crimson sub- ( p rfrffc . 



upper*:' 'sub^ > "**""* P- 



minal spots centred with blue, 

 subtornal red or crimson spots , D , , , . 

 present, large and prominent . . * ***2 ? -, 9 . 

 Hind wing upperside : series of ' ******* P- 125. 



subterminal spots not complete. 

 a 4 . Fore wing upperside : discal 

 transverse black band short, 

 typically not extended below 

 vein 5 ; in Indian specimens 

 extended to vein 1, but always 



. . . 



A 4 . Fore wing upperside : discal ' hunza > P' 124 ' 



transverse band long, extended 

 to dorsal margin, bent inwards 

 below apex of cell, never joined . p j ol ^- lt> 

 to postdiscal band ..... ..... \ P ' del P htus > race 



b\ Termen of hind wing without a sub- ' 'tenosemus, p. 125. 



hyaline black edging, white-scaled , n , , ,. 



4h t up * S *..... ...... { p - **"5^ p . 126 . 



B. Fore wing : vein 10 anastomosed with vein 



11 towards apex. 



a. Hind wing upperside : spots of subterminal 

 series formed into large conspicuous 

 pseudocelli. 



