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
William S. Wallace of the V Corps on July 18, 2001. He commanded the corps during the 2003 invasion of Iraq until June 14, 2003, when he left to become the commanding general of the Army's Combined Arms Center at Fort Leavenworth, Kansas. His replacement in Iraq was Lt. Gen. Ricardo S. Sanchez. Wallace assumed command of the United States Army Training and Doctrine Command (TRADOC) at Fort Monroe, Virginia, on October 13, 2005. Wallace relinquished command of TRADOC, and retired from the United States Army on December 8, 2008. Among his awards and decorations are: William S. Wallace William Scott Wallace, is