Pierine Butterflies of the Genus Delias. 145 
border, whilst Moore’s 7. sanaca (a full-coloured female) has 
the subcostal area and cell of secondaries red ; this, however, 
I believe to be a mere accidental discoloration, such as one 
sometimes sees in Pierine butterflies, and due perhaps to 
staining through the chance dropping of meconium from 
above as the insect rested below a twig; but at best a mere 
aberration. In some examples, especially where the yellow 
is deep in tint, it is confined to the inner half of the wing 
and partly divided from the scarlet submarginal spots by 
white crescents; in others these crescents are wanting ; fre- 
quently the yellow covers nearly the whole of the paler 
portion of the wing, and (rarely) it entirely obliterates every 
vestige of white. In the sport to which Wallace gave the 
name of Thyca indica the black suffusion on the upper 
surface at apex of primaries is weakly defined and the black 
veins on the under surface of the secondaries are expanded 
by a bordering of black scales at the inner edge of the scarlet 
spots. None of these varieties are limited to any locality, 
excepting, perhaps, the variety without white on the under- 
side of the secondaries, of which we only possess a female 
from Toungoo; a male from Rangoon has almost lost all 
trace of white, so that it is just possible that this variety may 
be confined to Burma. 
4. Delias metarete. 
Delias metarete, Butler, Trans. Linn. Soe. (2) i. p. 550 (1879). 
Malacca, Penang, Borneo, Sumatra. B. M. Sumatra, 
coll. Hewitson. 
This is a Malayan representative of D. hierte, approaching 
nearest to the var. indica, but the much more uniformly grey 
apical area of the primaries above, the more restricted and 
sharply defined limitation of the yellow area on the under 
surface of the secondaries, and development of the black inner 
bordering of the scarlet spots constantly distinguish it. Our 
series consists of eight examples, two of which are from the 
Godman and Salvin collection, also one in the Hewitson 
collection. 
5. Delias hemorrhea. 
Pieris hemorrhea, Vollenhoyen, Mon. Pier. p. 10, pl. ii. fig. 5 (1865), 
Three examples, Banca. ¢ 9, B. M. 
The more dusky bordering of the secondaries above, the 
orange instead of yellow colouring below, and restriction of 
the scarlet spots to three in number, readily separate this 
insular form trom the preceding. 
