XIII. — The Butterflies of Borneo, with 
Notes on their Geographical Distribu¬ 
tion, and Keys for Identification. By 
J. 0 . Moulton, B.Sc., F.E.S., Curator of the 
Sarawak Museum. 
Part I. 
The earlier lists of Bornean butterflies appeared between 
1887 and 1896 under the old binomial system. In 1904 
the late Mr. Shelford began the task of bringing these lists 
up to date, and introducing in part the trinomial system. 
His work was published in 1904 and 1906, and dealt with 
the families Nymphalidse and Lemoniidge, 256 species in 
all. The present writer continued the work by publishing 
a part on the Lycsenidse, 800 species, in 1912, and another 
on the Papilionidae, 78 species, in 1914. The concluding 
part on the Hesperidse, about 160 species, is still 
unwritten. 
Since the publication of Mr. Shelford’s papers, several 
important works have appeared, which show the necessity 
of modifying the nomenclature and system used ten years 
ago. Principal among these is Seitz’s Macro-Lepidoptera 
of the World , in which the trinomial system is adopted in 
its entirety. I have thought it a good opportunity to 
follow this great work and bring our Bornean list up 
to date. 
The present part deals with the Nymphalidae. The next 
will deal with the Libythseidse and Lycsenidge, while a third 
will be devoted to the two remaining familes, the Papilionidse 
and Hesperidse. 
With so much written on Bornean butterflies (and, be it 
confessed, so little known about them) I have thought 
it better not to give scattered notes on life-histories, and to 
Sar, Mus, Journ,, No, 6,1915. P 2 
