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Published online by Cambridge University Press: 27 October 2009
Page 396, line 3. For 1948, read 1949.
Page 459, line 3. For B. N. Bristrup, read B. N. Fristrup.
Page 459, line 4. For A. Jacobson, read A. Jacobsen.
Page 459, line 7. For J. C. Froelsen, read J. C. Troelsen.
Page 488, line 58. For 1943, read 1933.