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Published online by Cambridge University Press: 27 June 2018
1 See also M. W. Smith, 1940a, pp. 1-3; Underhill, 1944, pp. 30, 46, 48-9, 65-6, etc.
2 After M. W. Smith, 1946, p. 306.
3 See Barnett, 1938; M. W. Smith, 1941, 1949.
4 See the second paper in this volume (King, 19S0). Editor.