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FTER the Recorder's hurried explanation of what had taken place since my day, I could now realize the cause of many things that were a continual puzzle to me during my first lifetime. I had read many books in days long past trying to explain the causes of the disappearance of ice in various parts of the world. I had read that there were in prehistoric days what were termed by philosophers the ice ages, and the boulder age. Now none of the arguments that were put forward in these books were to my mind satisfactory. We were told that at one time Great Britain, and in fact the north of Europe, must have been covered with great fields of ice, and we were told that, in the Arctic Regions, there were evidences discovered of the existence at some pre-historic date of tropical forests and vegetation. Now, how had this ice disappeared, and