ICE CAVES AND WIND-HOLES.
Ice-caves of St. Georges and St. Livres—Beautiful Ice-
stalagmites in the Cave of La Baume—The Schafloch—Ice
Cataract in the Upper Glacière of St. Livres—Ice Cavern
of Eisenerz—The Cave of Yeermalik—Volcanic Ice-caves—
Æolian Caverns of Terni—Causes of the low temperature of
Ice-caves 192