XII. Visibility, however, we must remember, depends, not only on situation, but on distance; and there is no way in which work is more painfully and unwisely lost than in its over delicacy on parts distant from the eye. Here, again, the principle of honesty must govern our treatment: we must not work any kind of ornament which is, perhaps, to cover the whole building (or at least to occur on all parts of it) delicately where it is near the eye, and rudely where it is removed from it. That is trickery and dishonesty. Consider, first, what kinds of ornaments will tell in the distance and what near, and so distribute them, keeping such as by their nature are delicate, down near the eye, and throwing the bold and rough kinds of work to the top; and if there be any kind which is to be both near and far off, take care that it be as boldly and rudely wrought where it is well seen as where it is distant, so that the spectator may know exactly what it is, and what it is worth. Thus chequered patterns, and in general such ornaments as common workmen can execute, may extend over the whole building; but bas-reliefs, and fine niches and capitals, should be kept down, and the common sense of this will always give a building dignity, even though there be some abruptness or awkwardness, in the resulting arrangements. Thus at San Zeno at Verona, the bas-reliefs, full of incident and interest are confined to a parallelogram of the front, reaching to the height of the capitals of the columns of the porch. Above these, we find a simple though most lovely, little arcade; and above that, only blank wall, with square face shafts. The whole effect is tenfold grander and better than if the entire façade had been covered with bad work, and may serve for an example of the way to place little where we cannot afford much. So, again, the transept gates of Rouen[H] are covered with delicate bas-reliefs (of which I shall speak at greater length presently) up to about once and a half a man's height; and above that come the usual and more visible statues and niches. So in the campanile at Florence, the circuit of bas-reliefs is on its lowest story; above that come its statues; and above them all its pattern mosaic, and twisted columns, exquisitely finished, like all Italian work of the time, but still, in the eye of the Florentine, rough and commonplace by comparison with the bas-reliefs. So generally the most delicate niche work and best mouldings of the French Gothic are in gates and low windows well within sight; although, it being the very spirit of that style to trust to its exuberance for effect, there is occasionally a burst upwards and blossoming unrestrainably to the sky, as in the pediment of the west front of Rouen, and in the recess of the rose window behind it, where there are some most elaborate flower-mouldings, all but invisible from below, and only adding a general enrichment to the deep shadows that relieve the shafts of the advanced pediment. It is