George Windsor Earl the Physical Geography of South-Eastern Asia and Australia", published in 1845, described how shallow seas 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. This formed the insipiration for Alfred Russel Wallace to propose the faunal boundary line now known as the Wallace Line. He published a paper in 1850 that invented the term 'Indu-nesians', for a quaint racial classification, derived from the Latin for India and island. He published a seminal
Front line Front line A front line (alternative forms: front-line or frontline) in military terminology is the position(s) closest to the area of conflict of an armed force's personnel and equipment, generally referring to maritime or land forces. When a front (an intentional or unintentional boundary) between opposing sides form, the front line is the area where the armies are engaged in conflict, especially the line of contact between the opposing forces. In a military conflict, then, when facing the front line, you face the enemy. All branches of the U.S. armed services use the related technical terms, Forward Line of Own