History of Ancient Art

by Franz von Reber

It is probable that these extensive alterations took place almost simultaneously, and were adopted at once for the most prominent shrines, while the preceding varieties—the temple in antis and the prostyle and amphiprostyle temples—though their entablatures were also executed in stone, were only employed in subordinate positions. With the heightened importance of the decorative exterior the monumental significance of the temple rose above the mere necessities of a chamber for the sacred image. The structure acquired equal solidity in every part exposed to view. It was built of a homogeneous material. The timbering of roof and ceiling was hidden by the stone symbols placed before the ends of the rafters and beams; the entablature was allowed an independent freedom of development and proportion. The heaviness of the material made it necessary to diminish the voids and increase the solids of the supports as much as was feasible. The stone shafts were allowed a greater diameter and placed more nearly together than when, as was the case in Etruria at a much later period, their burden had been of timber. The stone cornice, which was not as high as the epistyle, could not span the same clear width, and called for a second support over the intercolumniations,—a further triglyph. This was the more acceptable, as the appearance of the frieze was improved by its adoption; the breadth of triglyph and metope became nearly equal and better proportioned, their alternating rhythm more pleasing. The metopes, having upon the peripteros no importance as windows, were closed by thin slabs, which added to the unity and imposing force of the edifice. It is surprising how faithfully the traditional forms were still retained, even to the smallest details, while they yet received a truly artistic conventionalization and those proportions which make the Doric temple the grandest and most perfect monument of architectural history. It is probable that the completed peripteros existed as early as the seventh century B.C. The first steps of advance were rapidly made, and may, perhaps, be referred to the ages immediately preceding. It would indeed be interesting to know when, where, and by whom the incomparable design was perfected which gave to the world its proudest edifice; but it must suffice to understand the intentions of which the Doric temple was the final result.

Semper has suggested that a canopy-like roof, supported by columns, was placed above and around the small temple cella to increase its extent, and, at the same time, to express its power and sacredness by that oldest symbol of terrestrial and celestial authority. This attractive assumption does not interfere with the theory of the previous development of the temple in antis and the prostylos, or with the historical considerations based upon the appearance of an imperfect peripteros centuries before in Egypt. The cella and outstanding columns rose from a stepped foundation, the crepidoma, the kernel of which, the stereobate, was formed of massive walls, or, when possible, of the native rock. The blocks were too high for human steps, and are not to be conceived as stairs. Such an ascent entirely surrounding the temple would have been purposeless, and contrary to the isolating character of the crepidoma. They formed a base, such as is displayed in an exaggerated manner by the Mesopotamian sanctuaries, where, however, the chapels elevated upon the gigantic terraces were small in proportion to the substructure. In buildings of greater dimensions, the few and massive steps serving as the base of the Greek temple were increased, not in number, but in size. They were thus always proportional and fitted to their function as a foundation. Accessible stairs from all sides would have given a pyramidal effect to the lower part of the composition; while, at the foot of the upright supports, the horizontal line should rather be emphatically pronounced. Smaller intermediate blocks were provided for the ascent to the temple, thus made possible only upon the front. The upper step, the stylobate, was, as has been said, the common plinth, the columns being without base-moulding, and, consequently, without individual functions or isolated independence. The comparatively narrow intercolumniations were the better passages from this absence of projections at the foot of the columns. The powerful shafts were doubly modified by the diminution and by the entasis. The first refinement found its model in the natural contraction of all ascending bodies; a greater strength is needed below because of the increasing weight. To this must be added an optical motive: every diminution modifies the perspective effect, increasing the apparent height or distance of bodies thus bordered by lines slightly converging, though apparently parallel. The entasis was entirely decided by such optical considerations. It overcame a deception, resulting from the diminution, which makes a straight-lined cone of very steep sides appear of slightly concave outline. The shafts usually had twenty, in a few instances sixteen, channels, of nearly elliptical profile, separated by sharp arrises. As may be seen in unfinished temples, these grooves were not executed until the last stone of the building was in place, that the chipping of the delicate edges by the imposition of the drums or blocks next to them, and by other accidents during the process of building, might be avoided. It was only upon the capital that the channels were cut in advance, as a guide. To avoid the chipping of this stone, it was necessary to prevent its sharp lower edges from resting directly upon the top of the drum beneath it. To this end a diminutive step, a scamillus of smaller diameter, was turned upon the bottom of the capital block, or the same effect was attained by slightly slanting off and increasing the right angle of its lower edge. It was contrary to the artistic feeling of the Greek architect for constructive truth to mask even this slight necessity by priming and painting. It was, rather, made more distinct by increased size and a characteristic profile, in some instances even by a repetition of the incision. The upper end of the shaft was thus distinctly separated, notwithstanding the continuous channellings, and was related to the capital as the mediating neck of the column, the hypotrachelion. The echinos began its projection with several annulets, which still more definitely marked the junction of the capital with the shaft. It would be difficult to decide whether these mouldings were reminiscences of the binding-ribbons upon the necking of Egyptian floral columns. They were not placed beneath the echinos, but upon it, and consequently follow the curved profile, enlarging concentrically with its projection. The Doric capital, among all capitals that we know, attains the highest æsthetic perfection by its fulfilment of the requirements of a transitional member: by the proportion of its projection, and especially by its expressive and characteristic curve, which rises from a firm and almost straight line to the decided turn beneath the abacus. The outline is more elastic than a simple oblique angle, more vigorous and capable of resistance than the concave curve. The echinos provides the requisite projection; the abacus upon it forms the second transition from the circular plan of the shaft to the rectangle of the entablature. In the Doric style this upper half is about the same height as the echinos beneath it, while in the capitals of other orders the curved members of circular plan have been developed at the expense of this plinth, which is dwarfed to a thin plate.

It was first noticed by Cockerell in 1829 that the axes of the columns surrounding the cella are not vertical, but lean inward. This peculiarity was chiefly adopted to counteract an optical deception, resulting, like the deviation which led to the entasis, from the diminution of the shafts, making these, when perfectly upright, appear inclined away from the neighboring wall and from each other. The deception is particularly felt upon the corner shafts; these were corrected to lean in the direction of the diagonal, and decided the inclination of the columns of the front and side. The absolute deviation from the vertical is very slight, about 1-150th of the height, and by no means makes the inner sides of the diminished columns parallel to the wall. The inclination was effected by the irregular cutting of the first block, which was lower within than without, being so formed that the surface of its base was not circular, but slightly elliptical. All the succeeding drums had perfectly round beds, and consequently slanted in the manner decided by the first. The contact of these stones of the shaft was restricted to a narrow rim upon the exterior of their plan. In their centre they were steadied by an encased dowel of wood, the form of which is known from the remains of the Parthenon; this served as a pivot for the grinding of one block upon the other.

The stone beams of the epistyle lay from axis to axis of the columns. In buildings of great dimensions several slabs were laid side by side as lintels, each having the entire height of this member, which, as forming the conjunction of the columns, may be conceived as a representative of the wall. The outer surface of the epistyle block was carved upon its upper edge with the tainia and trunnels, described as securing the triglyphs of the original timbered entablature. The forms of these details show the great reverence with which the primitive wooden prototypes were imitated, while, at the same time, they were fitted to be cut in stone in a far more artistic manner than were the direct copies of carpentry observed in Lycia. The slits of the triglyph terminated at first in elliptical lines, which became, in the decline of the style, straight and horizontal. The triglyphs themselves were so distributed that one was placed over each column and one over the centre of each intercolumniation. An exception was made at the corner, where the triglyph could not be placed in the axis of the shaft, being needed for the support of the angle. It would be contrary to the open and non-sustaining character of the metope for this to be assigned to a position so constructively important. Vitruvius, regardless of this consideration, recommends that the corner triglyph be placed in the axis of the column beneath it, like all the others; but only one debased instance is known where this occurs—the so-called Temple of Demeter at Pœstum. The disturbance of symmetry which resulted to the frieze by the removal of the corner triglyph from the axis was counterbalanced by the metopes being made slightly larger, and especially by the outer intercolumniations being greatly diminished in width. This last step was also desirable from other considerations, notably because the dark background of the cella caused the openings between the inner shafts to appear narrower than the free and light space between those of the exterior.

All these changes were primarily caused by the Doric entablature not having been created for the peripteros; it was necessary thus to fit it for decorative employment.