Wallace Line to the west of the Philippines. Wallace's studies in Indonesia demonstrated the emerging theory of evolution, at about the same time as Joseph Dalton Hooker and Asa Gray published essays also supporting Darwin's hypothesis. Understanding of the biogeography of the region centers on the relationship of ancient sea levels to the continental shelves. Wallace's Line is visible geographically when the continental shelf contours are examined; it can be seen as a deep-water channel that marks the southeastern edge of the Sunda Shelf which links Borneo, Bali, Java, and Sumatra underwater to the mainland of southeastern Asia. Australia is likewise connected
Wallace, California versus $22,308 for females. The per capita income for the CDP was $26,895. None of the population or families were below the poverty line. In the state legislature, Wallace is in , and . Federally, Wallace is in . Wallace, California Wallace is a census-designated place (CDP) at the far west edge of Calaveras County, California, United States on State Route 12. The population was 403 at the 2010 census, up from 220 at the 2000 census. On the 1883 map of the town site is the name of the surveyor, John Herbert Wallace. It has been widely assumed that