666 MR. H. H. DRUCE ON BORNEAN LYCENIDE. [June 16, 
than the others; tail fine, brown tipped with white. Underside 
precisely as the male, but a little duller in colour. 
I have two males and two females before me, all from Kina Balu ; 
they are nearest to .A. aida, de Nicév., but can at once be recognized 
by their much larger size and very different upperside—the black 
margins being linear and blue, quite different in colour. I have two 
specimens of A, aida before me from Labuan, which are about half 
as small again as my species. 
ARHOPALA AIDA, de Nicév. Journ. Bombay Nat. Hist. Soe. vol. iv. 
p. 168, pl. A. fig. 1 (1889). 
Two specimens from Labuan—a male like the type, and a female 
small and violet-coloured. 
ARHOPALA DIARDI, Hew. Cat. Lycenid. B. M. p. 9, figs. 51, 52 
(1862). 
Two ordinary specimens from Labuan and S$.E. Borneo, from 
the collections of Dr. Staudinger and Herr Ribbe respectively. 
ARHOPALA MORPHINA, Dist. 
Panchala morphina, Distant, Ann. Mag. Nat. Hist. ser. 5, vol. xiv. 
p. 201 (1884). 
One specimen of this lovely insect, taken at Labuan, from 
Dr. Staudinger’s collection. 
ARHOPALA BORNEENSIS, sp. n., Bethune-Baker. (Plate XXX. 
fig. 5, d-) 
Borneo (Kina Balu, Tameang-Lajang) ; Malacca. 
Expanse, d 42 to 46 millim. 
3. Upperside : both wings brilliant lustrous green, not so brassy 
as A. aurea, Hew., having in a side light a bluish tinge, with linear 
brown costa and outer margin to the primaries: secondaries with 
the green only occupying the central part of the wing, the rest of 
the wing being brown, this colour invading the outer margin of the 
green area, so as to make it irregularly hollowed ; the tail at the end 
of the lower median nervule is short. Underside : both wings dirty 
dull brown, all the markings being most indistinct, the pattern 
being slightly darker, with very faint pale edgings. Primaries with 
a trace ot three increasing cell-spots, followed by an equally indis- 
tinct transverse band composed of five spots, the upper three being 
outwardly strongly oblique, the lower two inwardly oblique ; there 
is a trace of a spot below that closing the cell ; subdiscal area dark ; 
submedian area pale. Secondaries with spots rather more distinct, 
four basal below each other, followed by three larger ones below 
each other ; cell closed by a largish spot, below which is a small one 
in the lower median angle, and above it, almost confluent but shifted 
very slightly outwards, are two spots above each other, the upper 
smaller one reaching to the costa: transverse band less distinct, 
composed of six spots from the upper discoidal nervure ; the third 
