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Published online by Cambridge University Press: 18 January 2010
Two years ago I gave an account to a meeting in this series of the establishment of Shackleton Base and of Theron's voyage (Journal, 10, 161). The second part of the expedition began with the sailing of the Magga Dan for the Weddell Sea and Shackleton Base. The ship, of some 1800 tons and 2000 s.h.p., with variable-pitch propellers, was built especially to withstand ice pressures. Even so, the Weddell Sea proved too much for her at one point; but fortunately not for long, and she was soon moving down to Shackleton, calling at Halley Bay, to see the British I.G.Y. base, and Emperor Bay, where an estimated ten-thousand birds gather and nest each year.