Wallace Line by the Sahul Shelf to New Guinea. The biogeographic boundary known as Lydekker's Line, which separates the eastern edge of Wallacea from the Australian region, has a similar origin to the Wallace line. During ice age glacial advances, when the , both Asia and Australia were united with what are now islands on their respective continental shelves as continuous land masses, but the deep water between those two large continental shelf areas was, for over 50 million years, a barrier that kept the flora and fauna of Australia separated from those of Asia. Wallacea consists of islands that were not
Wallace, Indiana for a family was $31,875. Males had a median income of $25,938 versus $28,750 for females. The per capita income for the town was $10,386. 23.4% of the population and 18.5% of families were below the poverty line. Out of the total population, 29.7% of those under the age of 18 and 0.0% of those 65 and older were living below the poverty line. Wallace, Indiana Wallace, originally named Jacksonville, is a town located in Jackson Township, Fountain County, Indiana, United States. At the 2010 census, the town had a total population of 105. Jacksonville, one of Fountain County's early