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Published online by Cambridge University Press: 19 February 2018
I should not have ventured to read this paper before such a distinguished audience had I not been specially urged to do so by your President. If, therefore, at its conclusion you have any or, it may be, much criticism, you must at least divide it between him and myself. I accept full responsibility for an inadequate and imperfect presentation of my thesis, but for the attempt itself he must take all the blame.
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