238 
EUPLOEA. Bg H. Fruhstorfer. 
arasa. 
alcathoe. 
geyeri. 
u niform is- 
sal/sir a. 
distincla. 
snelleni. 
peducaea. 
tobleri. 
del one. 
arida. 
limborgi. 
menetriesi. 
epiphaneia. 
kheili. 
llio latter mostly wanting. April. Engano. — arasa subsp. nov. is the form from the Mentawej Islands. It 
approaches simplex from Nias, and still preserves traces of white striation on the under surface of the hindwing, 
which sometimes show through above, and are lighter and more distinct the larger the examples are. — 
alcathoe Godt. (= eyndthovi Fldr.), the name-type, a butterfly of elegant but simple facies. Forewing deep 
velvety black, hindwing lighter brown distally. Scent-stripe distinct, but narrow and somewhat raised at the 
edges, c? with almost rounded, short submarginal patches on the hindwing, which, however, in the 2 again 
assume the normal streak-shape and stand out distinctly, the colour somewhat inclining to yellowish, geyeri 
Fldr., unknown to me in nature, is probably a dry-season form of it. West and East Java, Bali, Lombok, 
but everywhere scarce. — uniformis Moore approaches pahakela. cf above without appreciable submarginal 
stripes, which in the ? show through slightly from the underside, cd beneath with vestigial, ? with two 
distinct but thin grey-white longitudinal streaks. North and South Borneo. — salistra subsp. nor., the race 
from the Natuna Islands, differs in the sparsely scaled but distinct grey-white, rather broad intraneural areas 
of the hindwing, which especially beneath are purer white and strongly expressed and are accompanied by 
strikingly large subterminal dots. The violet discal patches of both wings brighter and standing out more 
distinctly than in gardineri, to which salistra approximates more nearly than to uniformis from Borneo. - 
Finally, distincta Stgr. is the most northerly form known, like claudina Stgr. more copiously decorated with 
white than the allied races. The rows of spots on the hindwing are purer white and more sharply defined 
and even on the underside of the forewing there are two rows of dots, although incomplete. Palawan, very 
rare, distincta is. perhaps eonspecific with the following species. 
E. snelleni Moore, previously only known from East Mindanao, I have also received in a variety from 
Bazilan. Above characterized by a lighter and somewhat narrower androconia streak on the hindwing, it may 
be recognized beneath by three light brown longitudinal stripes in the cell of the hindwing and three extremely 
faintly marked streaks of white-grey colour which are placed between the radials and the upper median. Two 
incomplete rows of rounded submarginal patches on the forewing are repeated on the upper surface. - 
peducaea subsp. nov. differs from the name-type in the smaller size, whilst the white patches and streaks o 
both wings are nevertheless almost twice as broad, which is noticeable both above and beneath. Also the 
third intraneural row of streaks on the underside of the hindwing is lighter and more sharply marked than 
in Mindanao examples. Pazilan. Very rare, discovered by W. Doherty in February 1898. 
E. tobleri Semp. is one of the rarest and most wonderful species of Euploea , apparently exclusively 
inhabiting the mountains and hitherto only observed on Luzon, flying in June, cf: forewing deep black, with 4 
large, quadrate white subapical spots united into a band and 0—8 blue subterminal dots. Hindwing pure 
white except where it is covered by a grey furry patch of androconia which extends over the entire cell, the 
narrow, sharply defined distal margin black, adorned with blue-white dots. Under surface of the hindwing 
white, only intersected by black veins, and with a submarginal row of wedge-shaped, partially confluent black 
spots. Forewing predominantly black, with white base to the costal margin, white cell-streak and antemarginal 
spots placed in pairs. 
E. deione, an Indo-Malayan species, runs parallel with alcathoe', beginning in Sikkim, and spreading 
thence over Siam and Perak on to the Macromalayan islands and their satellites. Wings rounded, upper surface 
mostly with brilliant, but sometimes also with dull blue reflection. - deione Wgstw. Forewing with the exception 
of a very narrow black marginal area with brilliant dark blue gloss, only the basal part of the hindwing with 
dull reflection. Hindwing above only rarely with the rounded submarginal spots of the under surface showing 
through. ? with one costal and three white discal dots, which in the cf are reproduced more weakly. Sikkim 
to Upper Burma. arida form, nov., only known to me from the Ruby Mines, Upper Burma, is a dry-season 
form, essentially smaller than Sikkim and Assam examples. Both sexes with small white dots on the upperside 
under surface entirely without spots except for the violet discal dots, which are also much reduced. - - lim¬ 
borgi Moore is a local race with very large white, elongate-oval submarginal spots on both sides of the 
hindwing. On the other hand the white dots of the forewing are entirely absent in the cfcf and almost 
entirely in the ??. I found the butterfly commonly on flowerings shrubs in Siam and South Annam. Other 
localities: Tenasserim, Lower Burma, Mergui Archipelago. — menetriesi Fldr. (= pinwilli Btlr.) is a much 
darkened form, but the cf still with intensive blue reflection and hindwing with a double row of brown-grey 
submarginal spots. Malay Peninsula. — epiphaneia subsp. nov. approaches the preceding, but differs in having 
less of the blue reflection on the forewing and in the longer and mostly pure white submarginal strigae of 
the hindwing. West Sumatra. Examples from North-East Sumatra form a transition to menetriesi. According 
to Martin common in the plains, preferring the flowers of a heliotrope-like shrub. — kheili Weym. is not 
only a much darkened race, but is also of smaller size than epiphaneia. Forewing with three white subapical 
dots on deep black ground with magnificient blue gloss. Hindwing ornamented with two rows of submarginal 
dots of equal size. Nias. — seitzi Hag. bears likewise only two small white subapical dots, but isessentially 
