This Lake in serene and calm Weather appears sometimes, and that even before Sun-rising, as if it were made of divers pieces, differently coloured; part of it being Browner than the rest, which seems to be caused by a Breath of Wind passing thorough the Water, coming either from the bottom of the Lake, or from above; tho' others think this gentle agitation to proceed from some Springs that are at the bottom, making the Water shiver above. But that part of the Water, that is not moved, appears as even and smooth as a Looking-Glass, or like Water traced by a Ship. And as for the Colours, they are, in my Opinion, an effect of the neighbouring Mountains, the different Images of which, being confounded in the Water, make an appearance of very pale Colours. After that the _Rhone_ is entred into the Lake, he retakes not his impetuous course before a quarter of a Mile's distance from its coming forth again, that is, above _Geneva_. And the nearer he comes to that Town, the more his Bed becomes narrow, and consequently his course more Rapid. Yet this Rapidness hath been in our times once surmounted by Wind, and once by Water. To understand which, you may imagine, that in _Geneva_ there is a streak of Land about an hundred Fathoms long, which divides the _Rhone_ into two parts, passing under four Bridges, then covered with Houses. From the Point of this Isle unto several ranks of Stakes on that side of the Town, there are about a Thousand common Paces. This whole space of Water, which makes the figure of an V (whereof the Isle is the Point, and the Town forms the sides, and the Stakes the empty place of the end) hath been once laid dry by a violent Wind, after this manner. One Day in the Winter of the Year 1645. there arose in the Morning about 9 a clock so furious a Wind, that not only it uncovered the Houses, but also laid dry the Bed of the _Rhone_ above the Bridges, so that many, in the view of all the Town crossed quite over it dry-foot, and one of the Sons of M. _D. Aubigny_ took up some Medals, which he found in his way. This passage was free during an Hours time; at the end of which the River retook its course. At that Season the Water being very low, and a West-Wind, to arrive at _Geneva_, being pressed by the high Mountains that bring it upon the Town as by the nose of a pair of Bellows; it came to pass, that that Wind did violently bear upon the Water near the said Bars keeping suspended the Water that was beyond, and those Waters, that were beneath, running away downwards by a declivity, and under the shelter of the Houses. Whilst I was scrupling at this Relation, they brought me _Gallasius_ his Commentary upon _Exodus_, Printed 1560. where 'tis recorded, that the like accident had fallen out at _Geneva_ at the time when that Minister lived there, a South West Wind having made the _Rhone_ to recoil into the Lake, and many People having thereupon passed over dry for an Hours time.