Chapter 17 HISTORY OF THEORIES RESPECTING THE CAUSES OF SUBTERRANEAN ICE.

The only glacière which is in any sense historical, is that near Besan?on; and a brief account of the different theories which have been advanced in explanation of the phenomena presented by it, will include almost all that has been written on ice-caves.

The first mention I have found of this cave is contained in an old history of the Franche Co

            
            

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