BY J. C. MOULTON. 
248 
a 1 . Hind margins very slightly dentate. Fore wing 
long and pointed or short and broad. 
b. For© wing long and pointed. Male above 
glossy violet blue. Female dull violet or bluish 
with or without white discal patches . 79. konga .* 
b 1 . Fore wing short and very broad. Male above 
blackish, margined with light blue green. 
Female mimics the Pierine genus Delias, 
c. Eed basal spot on hind wing below . 80. borneensis. 
c 1 . No red basal spot . . . .81. tceniola. 
Subfam. 4. Amathusiin^. 
a . Fore wing: five subcostal nervules free and well 
separate, with the exception of the first, which 
runs close to the costal in Amathusia. Size 
moderate, exp. al. 55-115 mm. 
b . Hind wing cell without membranal fold at end. 
c. Colouring above ochreous or chestnut brown. 
No ocelli on hind wing above. 
d. Cell of hind wing open .... Faunis. 
d 1 . Cell of hind wing closed . . . Xantho- 
tcenia. 
c 1 . Colouring semi-transparent grey fuscous. 
Two large ocelli on each hind wing . . Tcenaris. 
b l . Hind wing cell apparently closed by trans¬ 
verse fold in the wing membrane . . Amathusia. 
a 1 . Fore wing : first subcostal nervule anastomosed 
with costal nervure. 
b. Apex of fore wing pointed. 
c. Third median nervule without spur . . Amathux- 
idia. 
c 1 . Third median nervule with upwardly directed 
spur ........ Zeuxidia. 
b 1 . Apex of fore wing rounded .... Thau- 
mantis . 
a 2 . Fore wing : five subcostal nervules free, but first 
and second subcostal nervules run very close to 
the costal nervure. Size very large and square. 
Exp. al. 110-150 mm. ..... Thauria. 
* The four forms of this species may be differentiated thus :— 
a. Dark glossy blue above .... 
a. Not dark glossy blue above. 
6 . Uniform dull purplish dove-colour above 
b 1 . With white apical band in fore wing. 
c. Disc of both wings above not white 
c 1 . Disc of both wings white . 
$ f. konga. 
5 f. konga. 
2 f. trepsichroides. 
2 f. ptychandrina. 
S 
