Travels from France to Italy, Through the Lepontine Alps; Or, An Intinerary of the Road from Lyons to Turin, by the Way of the Pays-de-Vaud, the Vallais, and Across the Monts Great St. Bernard, Simplon, and St. Gothard: with Topographical and Historical Descriptions of the Principal Places which Lie Contiguous to the Route; Including Some Philosophical Observations on the Natural History and Elevation of that Part of the Alps. To which are Added, Remarks on the Course of the Rhone, from Its Source to the Mediterranean Sea