CEYLON BUTTERFLIES. 47 
One of my specimens (a 3) is in the British Museum. It is 
labelled Wellumwittia, but there is nothing else to show that 
it is a Ceylon specimen. It was sent there by the. late 
Mr. John Pole. 
In May, 1916, I took a butterfly.at Wellawaya in company 
with a lot of N. dana, which is entirely unlike any other 
Lycenid I have ever seen. The upper side matched dana, 
except for a regular, rather broad, black border to both wings. 
The under side is dark gray. Unmarked, except for a short 
pair of strigze above the end of the cell on the upper wing, 
It may be an aberration of dana. 
¢ 94. Nacapusa arrara.—Also found in India, Malaya, 
2 and Java. 
| 95. NacADUBA PLUMBEOMICANS.—Also found in India. 
L Moore does not give plumbeomicans, but divides our Ceylon 
specimens into prominens and atrata. 
T have caught many hundreds of these in the last few years 
for examination, and have over a hundred selected specimens 
now in my collection. 
Both sexes vary very much in the colour of the upper side, 
the markings of the under side, and in size (18-36 mm. 
expanse). The extreme specimens are very distinct, and 
correspond almost exactly in colour, &e., to the two divisions 
of the macropthalma group, but all are so variable, and there 
are so many intermediate forms, that it is almost impossible 
to decide if they belong to one species or to several: Per: 
sonally T have roughly divided the males into four groups, 
and the females into three, but it is not easy to draw the lines 
between them. J orig 
Moore divided them by the markings on the under sides, 
but these grade perfectly in both sexes. 
De Niceville says plumbeomicans differs from prominens 
“in its slightly paler colouration on the upper side in the male.”’ 
Bingham says it differs in being “ darker brownish-purple 
suffused with plumbeous.”’ 
My specimens were almost all taken on one mile of cart road 
through this estate. Possibly a quantity from other districts 
might help in separating the forms, or in grading them even 
more perfectly. 
