Those parts to which, of necessity, observation is especially directed, must be finished so as to bear a close scrutiny, that the eye may rest on them with satisfaction: but their finish must not be of a character which would have attracted the eye by itself, without being placed in a conspicuous situation; for, if it were, the united attraction of form and detail would confine the contemplation altogether to the parts so distinguished, and render it impossible for the mind to receive any impression of general effect. Consequently, the parts that project, and are to bear a strong light, must be chiseled with infinite delicacy; so that the ornament, though it would have remained unobserved had the eye not been guided to it, when observed, may be of distinguished beauty and power; but those parts which are to be flat and in shade should be marked with great sharpness and boldness, that the impression may be equalized. When, for instance, we have to do with oriels, to which attention is immediately attracted by their projection, we may run wreaths of the finest flower-work up the mullions, charge the terminations with shields, and quarter them richly; but we must join the window to the wall, where its shadow falls, by means of more deep and decided decoration. 206. Secondly. In the choice and design of his ornaments, the architect should endeavor to be grotesque rather than graceful (though little bits of soft flower-work here and there will relieve the eye): but he must not imagine he can be grotesque by carving faces with holes for eyes and knobs for noses; on the contrary, whenever he mimics grotesque life, there should be wit and humor in every feature, fun and frolic in every attitude; every distortion should be anatomical, and every monster a studied combination. This is a question, however, relating more nearly to Gothic architecture and therefore we shall not enter into it at present.[41] [Footnote 41: [See _Stones of Venice_, vol. III. chap. iii.]] 207. Thirdly. The gables must on no account be jagged into a succession of right angles, as if people were to be perpetually engaged in trotting up one side and down the other. This custom, though sanctioned by authority, has very little apology to offer for itself, based on any principle of composition. In street effect indeed it is occasionally useful; and where the verticals below are unbroken by ornament, may be used even in the detached Elizabethan, but not when decoration has been permitted below. They should then be carried up in curved lines, alternating with two angles, or three at the most, without pinnacles or hipknobs. A hollow parapet is far better than a battlement, in the intermediate spaces; the latter indeed is never allowable, except when the building has some appearance of being intended for defense, and therefore is generally barbarous in the villa; while the parapet admits of great variety of effect.