On the 10th of August, 1880, at that fabled hour of the setting sun so vaunted by the guide-books Joanne and Baedeker, an hermetic yellow fog, complicated with a flurry of snow in white spirals, enveloped the summit of the Rigi (Regina monhum) and its gigantic hotel, extraordinary to behold on the arid waste of those heights, -that Rigi-Kulm, glassed-in like a conservatory, massive as a citadel, where alight for a night and a day a flock of tourists, worshippers of the sun. While awaiting the second dinner-gong, the transient inmates of the vast and gorgeous caravansary, half frozen in their chambers above, or gasping on the divans of the reading-rooms in the damp heat of lighted furnaces, were gazing, in default of the promised splendours, at the whirling white atoms and the lighting of the great lamps on the portico, the double glasses of which were creaking in the wind