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124 been the front of the cave had fallen in and been partly worn and worked away, my remaining hope was that the cave itself lay under part of my ground if not under the house itself. This gave a new feature to the whole affair. If my surmise were correct I need not hurry at all; the safest thing I could do would be to quietly make an opening from my house into the cave, and explore at leisure. All seemed clear for this proceeding. The workmen who had done the building were gone, and the coming of the decorators had not yet been fixed. I could therefore have the house to myself. As I went back to the hotel, I planned out in my mind how I should get from Glasgow or Aberdeen proper implements for digging and cutting through the rock into the house; these would be sent in cases, so that no one would suspect what I was undertaking. The work would have to be done by myself if I wished to preserve secrecy. I had now so much to tell Marjory when we should meet that I felt I should hardly know where to begin, and the business side of my mind began to plan and arrange so that all things might come in due order and to the best effect.

When I got to the hotel I found awaiting me a letter from Marjory which had come by the last post. I took it away to my room and locked the door before opening it. It had neither address nor date, and was decidedly characteristic:

"My dear Sir: Mrs. Jack asks me to write for her to say that we shall be leaving Braemar on Tuesday. We shall be staying at the Fife Arms Hotel, and she will be very happy if you will breakfast with us at nine o'clock A. M. Room No. 16. This is all of course in case you care to ride down to Aberdeen. We are breakfasting so early as the ride is long, sixty miles, and Mrs. Jack