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Published online by Cambridge University Press: 13 February 2009
1 I am deeply indebted to Professor Lesky and Mr. Lloyd-Jones for their help, and for allowing me to use their work and quote them as I have done. Since both the Vicn-nese references turned out to be false, Professor Lesky and his assistants were put to great expense of time and trouble; nothing could exceed the courtesy with which my tiresome inquiries were pursued.