On the 10th of August, 1880, at the fabled hour of sunset, so much belauded by Joanne's and Baedeker's Guide Books, a thick yellow fog, rendered more puzzling by a whirling snowstorm, enveloped the summit of the Rigi (Regina Montioum) and that immense hotel-which presents such an extraordinary appearance in the barren landscape of hills - the Rigi-Kulm, glazed like an observatory, massive as a citadel, wherein for a day and a night a crowd of sun-worshiping tourists is located.