OF late years, owing to the great volume of original papers sent in to the Geological Magazine, it has not been possible or desirable to devote space to the proceedings of the British Association, as was the custom under the editorship of the late Dr. Henry Woodward; but it is manifestly impossible to pass over in silence the celebration of its Centenary, which has just been held in London, under the presidency of the Right Honourable General J. C. Smuts. The personality of the President alone would be sufficient to mark this off as a special occasion, but from the point of view of the geologist there is much more in it than this.