INTRODUCTION
The Indonesian archipelago is an ideal setting for studying speciation and
biogeography. The large number of islands and complicated geologic history of the region
have produced a diverse biota. The archipelago is divided into three island groups, Sunda
land, Wallacea and the Australian region. Among these islands, there are several
zoogeographic boundaries that have been proposed. The border of Sunda land and Wallacea
(also known as Wallace`s line) lies between Borneo and Sulawesi and also separates