Friday, January 18, 2019

Four days of fog in midwinter; beauty become visible

January 18. 
January 18, 2019

That wonderful frostwork of the 13th and 14th was too rare to be neglected, —succeeded as it was, also, by two days of glaze, —but, having company, I lost half the advantage of it. 

It was remarkable to have a fog for four days in midwinter without wind. We had just had sudden severe cold weather, and I suspect that the fog was occasioned by a warmer air, probably from the sea, coming into contact with our cold ice-and-snow-clad earth. 

The hoar frost formed of the fog was such a one as I do not remember on such a scale. Apparently as the fog was coarser and far more abundant, it was whiter, less delicate to examine, and of far greater depth than a frostwork formed of dew. 

We did not have an opportunity to see how it would look in the sun, but seen against the mist or fog it was too fair to be remembered. The trees were the ghosts of trees appearing in their winding sheets, an intenser white against the comparatively dusky ground of the fog. 

I rode to Acton in the after noon of the 13th, and I remember the wonderful avenue of these faery trees which everywhere over arched my road. The elms, from their form and size, were particularly beautiful. As far as I observed, the frostwork was deepest in the low grounds, especially on the Salix alba there. 

I learn from the papers that this phenomenon prevailed all over this part of the country and attracted the admiration of all. The trees on Boston Common were clad in the same snow-white livery with our Musketaquid trees. 

Perhaps the most unusual thing about this phenomenon was its duration. 

The air seemed almost perfectly still the first day, and I did not perceive that the frosting lost anything; nay, it evidently grew during the first half of the day at least, for it was cold at the same time that it was foggy.

Every one, no doubt, has looked with delight, holding his face low, at that beautiful frostwork which so frequently in winter mornings is seen bristling about the throat of every breathing-hole in the earth’s surface. In this case the fog, the earth’s breath made visible, was in such abundance that it invested all our vales and hills, and the frostwork, accordingly, instead of being confined to the chinks and crannies of the earth, covered the mightiest trees, so that we, walking beneath them, had the same wonderful prospect and environment that an insect would have in the former case. 

We, going along our roads, had such a prospect as an insect would have making its way through a chink in the earth which was bristling with hoar frost. 

That glaze! I know what it was by my own experience; it was the frozen breath of the earth upon its beard. 

But to remember still that frostwork, I do not know why it should build out northward alone, while the twig is perfectly bare on the south side. Is not the phenomenon electrical? You might Twig have guided your self night or day by observing on which side the twigs it was. Closely examined, it is a coarse aggregation of thin flakes or leafets. 

Standing a little east or west of an evergreen, you saw considerable of its-greenness, especially the second day, when much had fallen; but in each case successively you were agreeably disappointed when you arrived exactly north of the tree and saw it to best advantage. Take the most rigid tree, the whole effect is peculiarly soft and spirit-like, for there is no marked edge or outline. 

How could you draw the outline of these snowy fingers seen against the fog, without exaggeration? There is no more a boundary-line or circumference that can be drawn, than a diameter. 

Hardly could the New England farmer drive to market under these trees with out feeling that his sense of beauty was addressed. He would be aware that the phenomenon called beauty was become visible, if one were at leisure or had had the right culture to appreciate it. 

A miller with whom I rode actually remarked on the beauty of the trees; and a farmer told me in all sincerity that, having occasion to go into Walden Woods in his sleigh, he thought he never saw anything so beautiful in all his life, and if there had been men there who knew how to write about it, it would have been a great occasion for them. 

Many times I thought that if the particular tree, commonly an elm, under which I was walking or riding were the only one like it in the country, it would  worth a journey across the continent to see it. Indeed, I have no doubt that such journeys would be under taken on hearing a true account of it. But, instead of being confined to a single tree, this wonder was as cheap and common as the air itself. 

Every man’s wood lot was a miracle and surprise to him, and for those who could not go so far there were the trees in the street and the weeds in the yard. It was much like (in effect) that snow that lodges on the fine dead twigs on the_ lower part of a pine wood, resting there in the twilight commonly only till it has done snowing and the wind arises. But in this case it did not rest on the twig, but grew out from it horizontally, and it was not confined to the lowest twigs, but covered the whole forest and every surface. 

Looking down the street, you might say that the scene differed from the ordinary one as frosted cake differs from plain bread. In some moods you might suspect that it was the work of enchantment. Some magician had put your village into a crucible and it had crystallized thus. 

The weeping willow, with its thickened twigs, seemed more precise and regularly curved than ever, and as still as if it were carved of alabaster. 

The maples, with their few long shoots, were rather set and still. 

It was remarkable that when the fog was a little thinner, so that you could see the pine woods a mile or more off, they were a distinct dark blue. If any tree is set and stiff, it was now more stiff, if airy and graceful, it was now more graceful. 

The birches especially were a great ornament.

 As usual in the winter, where a rock rises above the ice it was a mere hillock covered with a white counterpane, and often where one end, perhaps the higher, of the rock was' bare on one side it looked like a seal or walrus slowly lifting itself above the surface, or resting there. 

One suggested a bonfire under the elms in the street at night. 


P. M. — Up Assabet to bridge. Two or more inches of snow fell last night. In the expanse this side Mantatuket Rock I see the tracks of a crow or crows in and about the button-bushes and willows. They have trampled and peeked much in some spots under the button-bushes where these seeds are still left and dibbled into the snow by them. It would seem, then, that they eat them. 

The only other seeds there can be there are those of the mikania, for I look for them. You will see a crow’s track beginning in the middle of the river, where one alighted. I notice such a track as this, where one alighted, and apparently struck its spread tail into the snow at the same time with its feet. 

I see afterward where a wing’s quills have marked the snow much like a partridge’s. The snow is very light, so that the tracks are rarely distinct, and as they often advance by hops some might mistake it  for a squirrel’s or mink’s track. 

I suspect that they came here yesterday after minnows when the fishermen were gone, and that has brought them here to-day in spite of the snow. They evidently look out sharp for a morsel of fish.

I see where, by the red maple above Pinxter Swamp, they have picked over the fine dark-greenish moss from button-bush, and the leaves which had formed a squirrel’s nest, knocking it down on to the river and there treading about and pecking a small piece, apparently for some worms or insects that were in it, as if they were hard pushed. 

I am pretty sure to find tracks under the last-named bank, in the edge of the low swamp white oak wood, either of rabbits or mice, crows or fox. The two former generally keep close under the bank, as the safest beat for them, but sometimes I see where they hopped across the river several times last night, and I can imagine how shyly they looked back from the opposite side. The mice occasionally hop out a rod and back, making a semicircle; more rarely quite across. 

In my walk of the 16th, I noticed that almost all the way after leaving the railroad till I reached the high way near Hubbard’s Bridge I was on the track of a fox. My beat was nearly identical with its (or there may have been several), —lengthwise through the Cassandra Ponds and Hollows by the lowest and most open path, along the narrow grown-up hillside path to Pleasant Meadow, and just along the edge of the button bushes, visiting every musquash-house, and crossing the river from time to time. 

I notice in midstream, opposite the cooper’s shore, where an opening has been made for ice, some eighteen feet square, and has not frozen over again, but the water is seen passing with a swift current and disappearing quickly under the thin edge of the newly formed ice. I notice one of those fine unaccountable cobweb like lines, nearly straight though undulating, stretched from side to side of this opening, about eight inches from the edge of the ice on the lower side. 

It looked at first as if the water, compared with the ice, was higher, in fact heaped up at that point on account of the obstruction which the lower side offered, and that it then suddenly descended and passed under the thin edge of the newly formed ice! 

The ridge of the watery dam was a narrow light line, and there were on the upper side, parallel with it, eight or ten other light lines or ripples alternating with dark within the breadth of three or four inches, growing less and less distinct; and on the lower side there was a sudden slope (apparently to the level of the water below) about one inch wide. 

It was remarkable that the current  and all that it carried with it passed incessantly through and over these lines without in the least disturbing them, or rather breaking them, only producing that slight undulation. I describe it as it appears. 

Of the large black oaks on the north bank near Prescott Barrett’s, some are quite bare, others have about as many leaves on their lower parts as a white oak. The swamp white oaks opposite are all bare. I notice in two places where a musquash has been out on the snow-covered ice, and has travelled about a rod or less, leaving the sharp mark of its tail.

To-day, an average winter day, I notice no vapor over the open part of the river below the Island, as I did the very cold afternoon of the 10th. The air and water are probably now too nearly of the same temperature. That, then, in the winter, is a phenomenon of very cold weather.

H. D. Thoreau, Journal, January 18, 1859

That wonderful frostwork of the 13th and 14th. See January 13, 1859 ("There is built out horizontally on the north side of every twig and other surface a very remarkable sort of hoar frost, the crystallized fog, which is still increasing.. . . already full an inch deep on many trees, and gets to be much more, perhaps an inch and a half even, on some in the course of the day. It is quite rare here, at least on this scale."); January 14, 1859 ("The fog-frosts and the fog continue . . . The fog turns to a fine rain at noon, and in the evening and night it produces a glaze,")

When the fog was a little thinner, so that you could see the pine woods a mile or more off, they were a distinct dark blue. Compare January 18, 1852 ("The pines, some of them, seen through this fine driving snow, have a bluish hue.") See also note to January 13, 1859 ("The woods, the pine woods, at a distance are a dark-blue color")

I see the tracks of a crow or crows in and about the button-bushes and willows. I notice where one alighted, and apparently struck its spread tail into the snow at the same time with its feet. See January 19, 1859 ("Where one walked yesterday, I see, notwithstanding the effect of the sun on it, not only the foot-tracks, but the distinct impression of its tail where it alighted, counting distinctly eleven (of probably twelve) feathers,—about four inches of each, — the whole mark being some ten inches wide and six deep, or more like a semicircle than that of yesterday.")

In my walk of the 16th, I noticed that almost all the way after leaving the railroad till I reached the high way near Hubbard’s Bridge I was on the track of a fox. My beat was nearly identical with its (or there may have been several), —lengthwise through the Cassandra Ponds and Hollows by the lowest and most open path. See December 25, 1858 ("I notice that a fox has taken pretty much my own course along the Andromeda Ponds.")

A musquash has been out on the snow-covered ice, and has travelled about a rod or less, leaving the sharp mark of its tail. See January 3, 1860 ("[Melvin] speaks of the mark of the tail, which is dragged behind them, in the snow."); February 28, 1857 ("I see the track, apparently of a muskrat (?), — about five inches wide with very sharp and distinct trail of tail, — on the snow and thin ice over the little rill in the Miles meadow.") See also  A Book of the Seasons, by Henry Thoreau, the Musquash

January 18.  See A Book of the Seasons, by Henry Thoreau, January 18; also  A Book of the Seasons, by Henry Thoreau Between me and the sky. 

Beautiful frostwork,
the earth's breath made visible,
covers the forest.

The distinct dark blue
of pine woods seen through thin fog
a mile or more off.

 Crow tracks – One begins
in the middle of the river
where it alighted.


 A Book of the Seasons, by Henry Thoreau, Four days of fog in midwinter 

 A Book of the Seasons, by Henry Thoreau
"A book, each page written in its own season,
out-of-doors, in its own locality.”
~edited, assembled and rewritten by zphx © 2009-2026

Wednesday, January 16, 2019

Looking toward the sun.

January 16. 

P. M. — To Walden and thence via Cassandra Ponds to Fair Haven and down river. 

There is still a good deal of ice on the north sides of woods and in and about the sheltered swamps. As we go southwestward through the cassandra hollows toward the declining sun, they look successively, both by their form and color, like burnished silvery shields in the midst of which we walked, looking toward the sun. 

The whole surface of the snow the country over, and of the ice, as yesterday, is rough, as if composed of hailstones half melted together. This being the case, I noticed yesterday, when walking on the river, that where there was little or no snow and this rough surface was accordingly dark, you might have thought that the ice was covered with cinders, from the innumerable black points reflecting the dark water. My companion thought that cinders had fallen on that part of the ice. 

The snow which three-quarters conceals the cassandra in these ponds, and every twig and trunk and blade of withered sedge, is thus covered or cased with ice, and accordingly, as I have said, when you go facing the sun, the hollows look like a glittering shield set round with brilliants. That bent sedge in the midst of the shield, each particular blade of it being married to an icy wire twenty times its size at least, shines like polished silver rings or semicircles. It must have been far more splendid here yesterday, before any of the ice fell off. 

No wonder my English companion says that our scenery is more spirited than that of England. The snow-crust is rough with the wreck of brilliants under the trees, — an inch or two thick with them under many trees, where they last several days. 

When, this evening, I took a split hickory stick which was very slightly charred or scorched, but quite hot, out of my stove, I perceived a strong scent precisely like that of a burnt or roasted walnut, — as was natural enough.


H. D. Thoreau, Journal, January 16, 1859

Cassandra Ponds. see Geoff Wisner @geoffwisner.bsky.social [The Cassandra Ponds were another name for what Thoreau usually called the Andromeda Ponds. "Cassandra" was his name for leatherleaf, Chamaedaphne calyculata.] https://bsky.app/profile/geoffwisner.bsky.social/post/3mckcnk3ryc2a



The snow-crust is rough
with the wreck of brilliants
an inch or two thick.

A Book of the Seasons, by Henry Thoreau
"A book, each page written in its own season,
out-of-doors, in its own locality.”
~edited, assembled and rewritten by zphx © 2009-2025

Tuesday, January 15, 2019

The third day of fog

January 15.

[A fine rain in the night produces a glaze, which this morning] is quite handsome. Instead of that soft, white, faery-like mantle of down with which the trees were thickly powdered, they are now cased in a coat of mail, of icy mail, built out in many cases about as far from the twig with icy prominences. 

Birches, tree-tops, and especially slender-twigged willows or osiers are bent over by it, as they were not by the snow-white and light frost of yesterday and the day before, so that the character or expression of many trees and shrubs is wholly altered. 

I might not guess what the pollard willow row at Merrick’s shore,  with twigs one or two years old, was. 

The fog still continues through, and succeeding to, the rain. The third day of fog. The thermometer at 7.30 or 8 A. M. is at 33°.

H. D. Thoreau, Journal, January 15, 1859

Monday, January 14, 2019

The fog-frosts and the fog continue.

January 14. 

The fog-frosts and the fog continue, though considerable of the frostwork has fallen. This forenoon I walk up the Assabet to see it. 

The hemlocks are perhaps a richer sight than any tree, — such Christmas trees, thus sugared, as were never seen. On  side you see more or less greenness, but when you stand due north they are unexpectedly white and rich, so beautifully still, and when you look under them you see some great rock, or rocks, all hoary with the same, and a finer frost on the very fine dead hemlock twigs there and on hanging roots and twigs, quite like the cobwebs in a grist-mill covered with meal,-- and it implies a stillness like that; or it is like the lightest down glued on. 

The birch, from its outline and its numerous twigs, is also one of the prettiest trees in this dress. 

The fog turns to a fine rain at noon, and in the evening and night it produces a glaze, which this morning, —

H. D. Thoreau, Journal, January 14, 1859

Sunday, January 13, 2019

Hoar frost, crystallized fog, on the north side of every twig.


January 13. 


January 13, 2019

The cold spell is over, and here this morning is a fog or mist; the wind, if there is any, I think, northerly; and there is built out horizontally on the north side of every twig and other surface a very remarkable sort of hoar frost, the crystallized fog, which is still increasing. 

Mr. Edwin Morton was telling me night before last of a similar phenomenon witnessed in central New York, the fog of highlands or mountains crystallizing in this way and forming a white fringe or frost on the trees even to an inch and a half. 

This is already full an inch deep on many trees, and gets to be much more, perhaps an inch and a half even, on some in the course of the day. It is quite rare here, at least on  this scale. 

The mist lasts all this day, though it is far from warm (+ 11° at 8 A. M.), and till noon of the 14th, when it becomes rain, and all this time there is exceedingly little if any wind. 

I go to the river this morning and walk up it to see the trees and bushes along it. 

As the frostwork (which is not thin and transparent like ice, but white and snow-like, or between the distinctly leaf with veins and a mere aggregation of snow, though you easily distinguish the distinct leaves) is built out northward from each surface, spreading at an angle of about forty-five degrees, i. e. some twenty-odd each side of the north, you must stand on the north side and look south at the trees, etc., when they appear, except the large limbs and trunk, wholly of snow or frostwork, mere ghosts of trees, seen softly against the mist for a background. 

It is mist on mist. 

The outline and character of each tree is more distinctly exhibited, being exaggerated, and you notice any peculiarity in the disposition of the twigs. 

  • Some elm twigs, thus enlarged into snowy fingers, are strikingly regular and handsome.
  • In the case of most evergreens, it amounts to a very rich sugaring, being so firmly attached. 
  • The weeping willow seems to weep with more remarkable and regular curve than ever, and stands still and white with thickened twigs, as if carved in white marble or alabaster. 
  • Those trees, like alders, which have not grown much the past year — which have short and angular twigs—are the richest in effect. The end of each alder twig is recurved where the drooping catkin is concealed. On one side you see the dark-brown fruit, but on the north that too is concealed. 

I can see about a quarter of a mile through the mist, and when, later, it is somewhat thinner, the woods, the pine woods, at a distance are a dark-blue color.

H. D. Thoreau, Journal, January 13, 1859

A very remarkable sort of hoar frost, the crystallized fog, which is still increasing, an inch deep on many trees, and gets to be much more, perhaps an inch and a half even, on some in the course of the day. It is quite rare here, at least on this scale. See November 23, 1852 (“You must go forth very early to see a hoar frost, which is rare here”); December 16 1853 (“These days, when the earth is still bare and the weather is so warm as to create much vapor by day, are the best for these frost works.”); February 9, 1860 ("A hoar frost on the ground this morning — for the open fields are mostly bare — was quite a novel sight. I had noticed some vapor in the air late last evening"); February 12, 1855 (“All trees covered this morning with a hoar frost, very handsome looking toward the sun, —the ghosts of trees.”)

Through the mist the woods, the pine woods, at a distance are a dark-blue color.
 See January 21, 1855 ("The snow is turning to rain through a fine hail.Pines and oaks seen at a distance — say two miles off — are considerably blended and make one harmonious impression. The former, if you attend, are seen to be of a blue or misty black," ); February 7, 1856 ("During the rain the air is thick, the distant woods bluish, and the single trees on the hill, under the dull mist-covered sky, remarkably distinct and black."); February 7, 1859 ("Evidently the distant woods are more blue in a warm and moist or misty day in winter."); see also note to February 6, 1852 ("mistiness makes the woods look denser, darker, and more imposing."



A Book of the Seasons,  by Henry Thoreau
"A book, each page written in its own season,
out-of-doors, in its own locality.”
~edited, assembled and rewritten by zphx © 2009-2022

Saturday, January 12, 2019

A Red-Shouldered Hawk.

January  12. 


Red-Shouldered Hawk
(Winter Hawk)


Mr. Farmer brings me a hawk which he thinks has caught thirty or forty of his chickens since summer, for he has lost so many, and he has seen a hawk like this catch some of them. Thinks he has seen this same one sitting a long time upright on a tree, high or low, about his premises, and when at length a hen or this year’s chicken had strayed far from the rest, it skimmed along and picked her up without pausing, and bore her off, the chicken not having seen him approaching. He found this, caught by one leg and frozen to death, in a trap which he had set for mink by a spring and baited with fish. 

This measures nineteen by forty-two inches and is, according to Wilson and Nuttall,a young Falco lineatus, or red-shouldered hawk. 

It might as well be called red or rusty breasted hawk. Nuttall says it lives on frogs, crayfish, etc., and does not go far north, — not even to Massachusetts, he thought. Its note, kee-oo. He never saw one soar, at least in winter. 

According to all accounts Wilson’s 
Falco hyemalis is the old of this bird, for there is a remarkable difference between old and young. 

Mine agrees with Wilson’s F. lineatus, or the young, except that the greater wing-coverts and secondaries are hardly what I should call “pale olive brown thickly spotted,” etc., but rather dusky-brown, somewhat indistinctly barred with whitish (which is pure white on each edge of the feathers) and edged with rusty; that the shafts of the breast-feathers are only dark-brown; that the tail is not quite black, but very dark brown, and is not “broadly tipped” with white, but only with a quarter of an inch of it; vent not “pale ochre,” but white; legs and feet hardly fine yellow, but dull gree ish-yellow; femorals as bright rusty as the breast. 

It differs from Wilson’s winter falcon, which is considered by Audubon and Brewer the same as the lineatus, in not having what I should call a “tooth in the upper mandible;” head, sides of neck, etc., hardly “streaked with white;” above, all primaries and exterior tail feathers not “brownish orange,” and tail not “barred alternately with dark and pale brown,” its inner veins and coverts not “white;” and what is very important, the breast and beneath is not “white.” 

Since Nuttall makes it a southern bird, and it is not likely to come north in the winter, it would seem that it breeds here. 

Farmer says that he saw what he calls the common hen-hawk, one soaring high with apparently a chicken in its claws, while a young hawk circled beneath, when former suddenly let drop the chicken, but the young failing to catch, he shot down like lightning and caught and bore off the falling chicken before it reached the earth.

H. D. Thoreau, Journal,  January 12, 1859

Farmer brings me a hawk which he thinks has caught thirty or forty of his chickens. See August 29, 1858 (“J. Farmer shot a sharp-shinned hawk this morning, which was endeavoring to catch one of his chickens.”)


"A book, each page written in its own season,
out-of-doors, in its own locality.”
~edited, assembled and rewritten by zphx © 2009-2022

Friday, January 11, 2019

Tthe ground cracks on the advent of very severe cold weather.


January 11.

 At 6 A. M. -22° and how much more I know not, ours having gone into the bulb; but that is said to be the lowest. 

Going to Boston to-day, I find that the cracking of the ground last night is the subject of conversation in the cars, and that it was quite general. I see many cracks in Cambridge and Concord. 

It would appear then that the ground cracks on the advent of very severe cold weather. I had not heard it before, this winter. It was so when I went to Amherst a winter or two ago. 

H. D. Thoreau, Journal, January 11, 1859

At 6 A. M. -22° and how much more I know not, ours having gone into the bulb. See February 7, 1855 ("Thermometer at about 7.30 A. M. gone into the bulb, -19° at least. The cold has stopped the clock."); and note to January 23, 1857 ("The coldest day that I remember recording")

The ground cracks on the advent of very severe cold weather. See February 7, 1855 ("The coldest night for a long, long time. People dreaded to go to bed. The ground cracked in the night as if a powder-mill had blown up");  December 19, 1856 ("[I]n Amherst, I had been awaked by the loud cracking of the 'ground, which shook the house like the explosion of a powder-mill. . . . This is a sound peculiar to the coldest nights."); December 23, 1856 ("The cracking of the ground is a phenomenon of the coldest nights."); January 10, 1859 ("Cold weather at last; -8° this forenoon . . . I hear the ground crack with a very loud sound and a great jar in the evening and in the course of the night several times. It is once as loud and heavy as the explosion of the Acton powder-mills. This cracking is heard all over New England, at least, this night.")

A Book of the Seasons,  by Henry Thoreau, January 11
A Book of the Seasons,  by Henry Thoreau
 "A book, each page written in its own season, 
out-of-doors, in its own locality."
 ~edited, assembled and rewritten by zphx ©  2009-2023

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