certain height there is a current of air moving from west to east. Hence we so commonly see the clouds arranged in parallel divisions in that direction. What a spectacle the subtle vapors that have their habitation in the sky present these winter days! You have not only unvarying forms of a given type of cloud, but various types at different heights or hours. It is a scene, for variety, for beauty and grandeur, out of all proportion to the attention it gets. Who watched the forms of the clouds over this part of the earth a thousand years ago? who watches them to-day?
When I reach the causeway at the Cut, returning, the sun has just set, a perfect winter sunset, so fair and pure, with its golden and purple isles, I think the summer rarely equals it. There are real damask-colored isles or continents north of the sun's place, and further off northeast they pass into bluish purple. Hayden's house, one which I see there, seems the abode of the blessed. The eastern horizon also is purple. But that part of the parallel cloud columns overhead is now invisible. At length, the purple travels westward, as the sunk sinks lower below the horizon, the clouds overhead are brought out, and so the purple glow glides down the western sky.
Dec. 14, 1840. How may a man most cleanly
