There can have been few occasions in the past when the President of the Geological Society of London—the mother of all geological societies—has been able to accept the hospitality of that most splendid of daughters, The Geological Society of America. I come bearing most hearty greetings and good wishes from my Society to yours. This meeting celebrates, I believe, the Centenary of the Geological Survey of Canada, and I am honoured to be present at the inauguration of a second century of fruitful geological investigation. Our countries are bound together by the cords— gossamer yet stronger than steel—of a common blood, a common creed, and a common history—we spring from the same roots. But we geologists are bound still closer to one another by devotion to our common science—nothing can unloose that tie. As these proceedings continue, we shall find maybe that we differ on a great many aspects of geological interpretation, but this is a sign of vitality and can in no way affect our regard for one another as fellow-seekers after the truth concerning the crust of Mother Earth. As President of the Geological Society of London, I salute The Geological Society of America and, contemplating your glorious past, I look forward to your yet more glorious future. In the foregoing paragraphs I have spoken in my official presidential capacity; from now on, I speak as a private individual—the personal pronoun will occur, I expect, with astounding frequency. I am not certain...