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, Kansas per capita income for the city was $16,005. There were 28.6% of families and 29.3% of the population living below the poverty line, including 38.5% of under eighteens and 19.2% of those over 64. Wallace, Kansas Wallace is a city in Wallace County, Kansas, United States. As of the 2010 census, the city population was 57. The city began with the establishment of Fort Wallace, ordered built by General William Tecumseh Sherman. The first post office in Wallace was established in August 1872. Wallace is located at (38.913671, -101.591874). According to the United States Census Bureau, the city has a