Abstract
The Polar Record, No. 39, January 1950Page 465, line 13. For S. Nilsen read J. Snarby.Page 465, line 18. For C. W. J. Swithinbank read C. W. M. Swithinbank.The Polar Record, No. 44, July 1952Page 466, line 19. For three dollars read four dollars twenty-five cents.

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