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
Lawrence Line Lawrence Line The Lawrence Line was a boundary line or partition line drawn through the Province of New Jersey during the colonial period, dividing it into the Province of West Jersey and the Province of East Jersey. The line was created by surveyor John Lawrence in 1743, and sought to offer final resolution to the division between the two proprietary colonies set out on the Quintipartite Deed (1676) which divided New Jersey by a straight line from "the Northernmost Branch of said Bay or River of De la Ware which is in forty-one Degrees and forty minutes of latitude…unto the