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a horizontal termination, perhaps level with the chief landing-place, is essential, and the triangular spaces, or sections of such spaces, between this and the stairs, had better be left nearly plain, and not very light in colour. Of all mistakes, that of introducing painted figures, sometimes the size of life, where living figures must so often come in contact with them, is the worst.
The compartment or compartments above the horizontal line might be painted in fresco, certainly not in oil on the wall, nor in the newly revived encaustic, at least not till it has been further tried. The figures should not extend to the angles of the walls where the staircase turns; the pseudo or real compartments which form the frames might finish at a little distance from the angle; the real wall is, in short, never to be lost sight of; and whatever merits ocular illusion may have in paintings generally, it would be injudicious to attempt it here. Where the light is unfavourable for painting, the flattest style of bas-relief is still admissible. But as you are especially desirous of having your staircase coloured, I really can propose nothing fitter to gratify the eye and imagination merely, than the more refined and at the same time familiar subjects of the Greek mythology; such as the personifications of Poetry, the progress of the Hours and of Light, and so forth. Such subjects afford the best materials for mere beauty of line and drapery, for composition generally, and, if not too statue-like, for colour; and even when they suggest no profounder range of thought, (not that their import is necessarily thus superficial,) they leave an elegant impression on the mind. The objection is, that they are old; but there would be some novelty in treating them as detached compositions, instead of beclouding and peopling the whole space in the style of the seventeenth century. It is to be remarked, that Raphael and Michael Angelo bounded their compositions of this kind by definite forms, especially on ceilings. Pietro da Cortona and the machinists generally, were as intent on destroying the connection between painting and architecture as the great masters were to preserve it.
But this separation of the compositions into compartments supposes at once a great latitude in the choice of subjects. Milton's smaller poems, and many other English sources, might be preferred to classic inventions; only it should be remembered, that fresco, from the nature of its means, is privileged to aim at the ideal rather than the actual world, and that the character of the decorations required for the place must necessarily influence the selection and treatment of the subjects. Dark effects are equally unfit for the situation
