Wallace Line genus of plants which does not cross the Line is the Australasian genus "Eucalyptus". Antonio Pigafetta had recorded the biological contrasts between the Philippines and the Maluku Islands (Spice Islands) (on opposite sides of the line) in 1521 during the continuation of the voyage of Ferdinand Magellan, after Magellan had been killed on Mactan. Moreover, as noted by Wallace himself, the observations in faunal differences between the two regions had already been made earlier by English navigator George Windsor Earl. In Earl's pamphlet "On the Physical Geography of South-Eastern Asia and Australia", published in 1845, he described how shallow seas
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