Thoreau writes in his journal:
I should not be ashamed to have a shrub oak for my coat-of-arms.
It is bitter cold, with a cutting northwest wind. The pond is now a plain snow-field, but there are no tracks of fishers on it. It is too cold for them. The surface of the snow there is finely waved and grained, giving it a sort of slaty fracture, the appearance which hard, dry blown. snow assumes. All animate things are reduced to their lowest terms. This is the fifth day of cold, blowing weather. All tracks are concealed in an hour or two . . .