Even now much can be said in regard to the possibilities offered by the Antarctic regions for economic development, but, year by year, the outlook will widen, since man is constantly resorting to subtler and more ingenious artifice in applying Nature's resources. It will be remembered that Charles Darwin, when in Australia, predicted a very limited commercial future for New South Wales. But the mastery of man overcame the difficulties which Darwin's too penetrating mind foresaw. What will be the role of the South in the progress of civilization and in the development of the arts and sciences, is not now obvious. As sure as there is here a vast mass of land with potentialities, strictly limited at present, so surely will it be cemented some day within the universal plinth of things. An unknown coast-line lay before the door of Australia. Following on the general advance of exploration, and as a sequel to several important discoveries, the time arrived when a complete elucidation of the Antarctic problem was more than ever desirable. In the Australian Quadrant, the broad geographical features of the Ross Sea area were well known, but of the remainder and greater portion of the tract only vague and imperfect reports could be supplied. Before submitting our plans in outline, it will be as well to review the stage at which discovery had arrived when our Expedition came upon the scene. The coast-line of the eastern extremity of the Australian Quadrant, including the outline of the Ross Sea and the coast west-north-west of Cape Adare as far as Cape North, was charted by Ross and has been amplified by seven later expeditions. In the region west of Cape North, recent explorers had done little up till 1911. Scott in the 'Discovery' had disproved the existence of some of Wilkes's land; Shackleton in the 'Nimrod' had viewed some forty miles of high land beyond Cape North; lastly, on the eve of our departure, Scott's 'Terra Nova' had met two patches of new land--Oates Land--still farther west, making it evident that the continent ranged at least two hundred and eighty miles in a west-north-west direction from Cape Adare. Just outside the western limit of the Australian Quadrant lies Gaussberg, discovered by a German expedition under Drygalski in 1902. Between the most westerly point sighted by the 'Terra Nova' and Gaussberg, there is a circuit of two thousand miles, bordering the Antarctic Circle, which no vessel had navigated previous to 1840. This was the arena of our activities and, therefore, a synopsis of the voyages of early mariners will be enlightening.