Thoreau writes in his journal:
It is a remarkably cold day for March, and the river, etc., are frozen as solidly as in the winter and there is no water to be seen upon the ice, as usually in a winter day, apparently because it has chiefly run out from beneath on the meadows and left the ice, for often, as you walk over the meadows, it sounds hollow under your tread . . .
Thoreau also lectures on “Autumnal Tints” for the Concord Lyceum (Studies in the American Renaissance 1996, 297-8).
Ellen Emerson writes to her sister Edith on 3 March:
