CHAPTER III.
OF TRUTH OF CHIAROSCURO.
It is not my intention to enter, in the present portion of the work, upon any examination of Turner's particular effects of light. We must know something about what is beautiful before [§ 1. We are not at present to examine particular effects of light.]we speak of these.
At present I wish only to insist upon two great principles of chiaroscuro, which are observed throughout the works of the great modern master, and set at defiance by the ancients—great general laws, which may, or may not, be sources of beauty, but whose observance is indisputably necessary to truth.
Go out some bright sunny day in winter, and look for a tree with a broad trunk, having rather delicate boughs hanging down on the sunny side, near the trunk. Stand four or five yards from it, with your back to the sun. You will find that the boughs between you and the trunk of the tree are very indistinct, that you confound them in places with the trunk itself, and cannot possibly trace one of them from its insertion to its extremity. But the shadows which they cast upon the trunk, you will find clear, dark, and distinct, perfectly traceable through their whole course, except when they are interrupted by the crossing boughs. And if you retire backwards, you will come to a point where you cannot see the intervening boughs at all, or only a fragment of them here and there, but can still see their shadows perfectly plain. Now, this may serve to show you the immense prominence and importance of shadows where there is anything like bright light. They are, in fact, commonly far more conspicuous than the thing which casts them, for being as large as the casting object, and altogether made up of a blackness deeper than the darkest part of the casting object, (while that object is also broken up with positive and reflected lights,) their large, broad, unbroken spaces, tell strongly on the eye, especially as all form is rendered partially, often totally invisible within them, and as they are suddenly terminated by the sharpest lines which nature ever shows. For no outline of objects whatsoever is so sharp as the edge of a close shadow. Put your finger over a piece of white paper in the sun, and observe the difference between the softness of the outline of the finger itself and the decision of the edge of the shadow. And note also the excessive gloom of the latter. A piece of black cloth, laid in the light, will not attain one-fourth of the blackness of the paper under the shadow.
Hence shadows are in reality, when the sun is shining, the most conspicuous thing in a landscape, next to the highest lights. All forms are understood and explained chiefly by their [§ 2. And therefore the distinctness of shadows is the chief means of expressing vividness of light.]agency: the roughness of the bark of a tree, for instance, is not seen in the light, nor in the shade: it is only seen between the two, where the shadows of the ridges explain it. And hence, if we have to express vivid light, our very first aim must be to get the shadows sharp and visible; and this is not to be done by blackness, (though indeed chalk on white paper is the only thing which comes up to the intensity of real shadows,) but by keeping them perfectly flat, keen, and even. A very pale shadow, if it be quite flat—if it conceal the details of the objects it crosses—if it be gray and cold compared to their color, and very sharp edged, will be far more conspicuous, and make everything out of it look a great deal more like sunlight, than a shadow ten times its depth, shaded off at the edge, and confounded with [§ 3. Total absence of such distinctness in the works of the Italian school.]the color of the objects on which it falls. Now the old masters of the Italian school, in almost all of their works, directly reverse this principle: they blacken their shadows till the picture becomes quite appalling, and everything in it invisible; but they make a point of losing their edges, and carrying them off by gradation; in consequence utterly destroying every appearance of sunlight. All their shadows are the faint, secondary darknesses of mere daylight; the sun has nothing whatever to do with them. The shadow between the pages of the book which you hold in your hand is distinct and visible enough, (though you are, I suppose, reading it by the ordinary daylight of your room,) out of the sun; and this weak and secondary shadow is all that we ever find in the Italian masters, as indicative of sunshine. Even [§ 4. And partial absence in the Dutch.]Cuyp and Berghem, though they know thoroughly well what they are about in their foregrounds, forget the principle in their distances; and though in Claude's seaports, where he has plain architecture to deal with, he gives us something like real shadows along the stones, the moment we come to ground and foliage with lateral light, away go the shadows and the sun together. In the Marriage of Isaac and Rebecca, in our own gallery, the trunks of the trees between the water-wheel and the white figure in the middle distance, are dark and visible; but their shadows are scarcely discernible on the ground, and are quite vague and lost in the building. In nature, every bit of the shadow would have been darker than the darkest part of the trunks, and both on the ground and building would have been defined and conspicuous; while the trunks themselves would have been faint, confused, and indistinguishable, in their illumined parts, from the grass or distance. So in Poussin's Phocion, the shadow of the stick on the stone in the right-hand corner, is shaded off and lost, while you see the stick plain all the way. In nature's sunlight it would have been the direct reverse—you would have seen the shadow black and sharp all the way down, but you would have had to look for the stick, which in all probability would in several places have been confused with the stone behind it.
And so throughout the works of Claude, Poussin, and Salvator, we shall find, especially in their conventional foliage, and unarticulated barbarisms of rock, that their whole sum and substance of chiaroscuro is merely the gradation and variation which nature gives in the body of her shadows, and that all which they do to express sunshine, she does to vary shade. They take only one step, while she always takes two; marking, in the first place, with violent decision, the great transition from sun to shade, and then varying the shade itself with a thousand gentle gradations and double shadows, in themselves equivalent, and more than equivalent, to all that the old masters did for their entire chiaroscuro.
Now if there be one principle, or secret more than another, on which Turner depends for attaining brilliancy of light, it is his clear and exquisite drawing of the shadows. Whatever is [§ 5. The perfection of Turner's works in this respect.]obscure, misty, or undefined in his objects or his atmosphere, he takes care that the shadows be sharp and clear—and then he knows that the light will take care of itself, and he makes them clear, not by blackness, but by excessive evenness, unity, and sharpness of edge. He will keep them clear and distinct, and make them felt as shadows, though they are so faint, that, but for their decisive forms, we should not have observed them for darkness at all. He will throw them one after another like transparent veils, along the earth and upon the air, till the whole picture palpitates with them, and yet the darkest of them will be a faint gray, imbued and penetrated with light. The pavement on the left of the Hero and Leander, is about the most thorough piece of this kind of sorcery that I remember in art; but of the general principle, not one of his works is without constant evidence. Take the vignette of the garden opposite the title-page of Rogers's Poems, and note the drawing of the nearest balustrade on the right. The balusters themselves are faint and misty, and the light through them feeble; but the shadows of them are sharp and dark, and the intervening light as intense as it can be left. And see how much more distinct the shadow of the running figure is on the pavement, than the checkers of the pavement itself. Observe the shadows on the trunk of the tree at page 91, how they conquer all the details of the trunk itself, and become darker and more conspicuous than any part of the boughs or limbs, and so in the vignette to Campbell's Beechtree's Petition. Take the beautiful concentration of all that is most characteristic of Italy as she is, at page 168 of Rogers's Italy, where we have the long shadows of the trunks made by far the most conspicuous thing in the whole foreground, and hear how Wordsworth, the keenest-eyed of all modern poets for what is deep and essential in nature, illustrates Turner here, as we shall find him doing in all other points.
"At the root
Of that tall pine, the shadow of whose bare
And slender stem, while here I sit at eve,
Oft stretches tow'rds me, like a long straight path,
Traced faintly in the greensward."
Excursion, Book VI