In November, 1921, Lord Haldane delivered to the Cambridge University Law Society an address on the Judicial Committee of the Privy Council (Cambridge Law Journal, vol. i, p. 143). He was then an ex-Lord Chancellor and for thirty-eight years had had experience of that tribunal-for twelve years as one of its judges. If it seems unnecessary and even unfortunate that the same subject should be given to me, I may point out—though only by way of confession and avoidance—that Lord Haldane on that occasion insisted that ‘You cannot learn much about it from documents’—‘unless you have lived in it and in the atmosphere you do not know what happens there’—‘the only way to study it is to watch it’.