Valais), from the summit of which, if we are lucky, we shall be able to take another survey of the Valley of Chamouni, and of all its remarkable objects.
Whilst I am writing, a remarkable phenomenon is passing along the sky. The mists, which are shifting about and breaking in some places, allow you, through their openings, as through skylights, to catch a glance of the blue sky, while at the same time the mountain peaks, rising above our roof of vapour, are illuminated by the sun's rays. Even without the hope it gives of a beautiful day, this sight of itself is a rich treat to the eye.
We have at last obtained a standard for judging the heights of the mountains. It is at a considerable height above the valley that the vapour rests on the mountains. At a still greater height are clouds, which have floated off upwards from the top of the mist; and then far above these clouds you see the summits glittering in the sunshine.
It is time to go. I must bid farewell to this beautiful valley and to you.
Martinac in Valais, Nov. 6, 1779.
Evening.We have made the passage across without any mishap, and so this adventure is over. The joy of our good luck will keep my pen going merrily for a good half-hour yet.
Having packed our luggage on a mule, we set out early (about nine) from Prieuré. The clouds shifted, so that the peaks were now visible, and then were lost again: at one moment the sun's rays came in streaks on the valley, at the next the whole of it was again in shade. We went up the valley, passing the outlet of the ice-stream, then the glacier d'Argentière, which is the highest of the five: the top of it, however, was hidden from our view by the clouds. On the plain we
