Wallace Line connected islands on the west (Sumatra, Java, etc.) with the Asian continent and with similar wildlife, and islands on the east such as New Guinea were connected to Australia and were characterised by the presence of marsupials. Wallace used his extensive travel in the region to propose a line to the east of Bali since "all the islands eastward of Borneo and Java formed part of an Australian or Pacific Continent, from which they were separated." The name 'Wallace's Line' was first used by Thomas Huxley in an 1868 paper to the Zoological Society of London, but showed the line
Inter-Entity Boundary Line in a way to connect Tuzla to Posavina cantons in FBiH and Pelagićevo and Donji Žabar to Lopare and Bijeljina in Republika Srpska. Inter-Entity Boundary Line The Inter-Entity Boundary Line (, ), commonly abbreviated IEBL, divides Bosnia and Herzegovina into two entities, the Republika Srpska and the Federation of Bosnia and Herzegovina. The total length of the Inter-Entity Boundary Line is . Along the IEBL is the 2 km Zone of Separation, which stretch toward both entities, making the Zone 4 km wide in total. The IEBL essentially runs along the military front lines as they were at the end