2 40 PIEKID.E. 



than to 8, vein 8 strongly curved. Antennae about half length 

 of fore wing, slender, with a gradual but well marked club ; eyes 

 naked ; palpi short, subporrect ; abdomen moderately long. 



Key to the forms of Delias.* 



A. Hind wing underside : with either hasal or ter- 

 minal red markings. 



a. Hind wing underside : these red markings 



terminal. 

 a. These red markings inwardly margined with 



black. 

 2 . Hind wing upperside : with a transverse 



curvod postdiscal black band I), eucharis,^. 141. 



6 2 . Hind wing upperside: without any trans- j I), hierta, race 



Averse black band .' | metarete, p. 143. 



//. The red markings not margined inwardly 



with black. 



2 . Upperside : J , black margins to veins 

 broad ; $ , interspaces on fore wing be- 

 yond postdiscal oblique black band not 



tinged with yellow -D. hierta, p. 142. 



& 2 . Upperside : $ , black margins to veins 

 narrow; $, interspaces on fore wing 

 beyond postdiscal oblique black band \ D. hietia, race 

 decidedly tinged with yellow | ethirc, p. 143. 



b. Hind wing underside : red markings basal. 



a'. Red markings restricted to whole of inter- 

 space 8 D. dcseombesi, 



V . lied markings arranged so as to form a [p. 144. 



patch transversely across base of wing. 

 a 2 . Hind wing upperside : basal area dusky, 

 red markings seen through only by 



transparency from underside D. aylaia, p. 145. 



b 2 . Hind wing upperside ; basal area red . . 1). tliysbe, p. 146. 

 K Hind wing underside : without basal or terminal 



red markings. 

 . Hind wing underside : ground-colour uniform 



yellow. 



'. Fore wing upperside : $ , apex broadly 

 shaded with black, with a clearly denned 

 superposed transverse series of white spots ; 

 $, entirely shaded with dusky black 

 scales ; transverse series of white spots as 



in c? D- ayostina, p. 1 47. 



b'. Fore wing upperside : <$ , apical third to 

 half shaded with black ; transverse series 

 of superposed spots not clearly defined, 

 blurred ; , less densely shaded with dusky 

 black scales ; transverse series of white J D. agostina, race 

 spots not well denned | ayoranis, p. 148. 



* D. thyiJ><?, race kandha, is not included in this key, as that form is unknown 

 to me. 



