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 whence the sound came. What it all means I cannot guess, but there is some secret business going on in this house of gloom which sooner or later we shall get to the bottom of. I do not trouble you with my theories, for you asked me to furnish you only with facts. I have had a long talk with Sir Henry this morning, and we have made a plan of campaign founded upon my observations of last night. I will not speak about it just now, but it should make my next report interesting reading.