Wallace Line Line. Wallace Line The Wallace Line or Wallace's Line is a faunal boundary line drawn in 1859 by the British naturalist Alfred Russel Wallace and named by English biologist Thomas Henry Huxley, that separates the ecozones of Asia and Wallacea, a transitional zone between Asia and Australia. West of the line are found organisms related to Asiatic species; to the east, a mixture of species of Asian and Australian origin is present. Wallace noticed this clear division during his travels through the East Indies in the 19th century. The line runs through Indonesia, between Borneo and Sulawesi (Celebes), and through
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