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
Wallace, Idaho the Montana state line. East of Wallace, the "Route of the Hiawatha" (rails-to-trails) and the Lookout Pass ski area are popular with locals and tourists. Wallace came into being on a river plain where four streams and five canyons converge onto the course of the South Fork. The earliest known white interest in the area was the construction of the Mullan Road, which followed the South Fork from near Cataldo almost to the pass that crossed into Montana. John Mullan did observe promising quartz outcroppings along their route when he passed through in late 1859. However, he later frankly stated