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Published online by Cambridge University Press: 27 October 2009

1 Recent attempts to clarify the following terms are discussed in the Polar Record: ice front and ice shelf (Vol. 6, No. 46, 1953, p. 838)Google Scholar, skavler (Vol. 7, No. 47, 1954, p. 53)Google Scholar, ice clusters and ice streams (Vol. 7, No. 48, 1954, p. 185–86 and 231–32)Google Scholar.