Returning to the main portal of the atrium—in the lunette is St Mark, executed by the brothers Zuccati in 1545 from a cartoon by Titian. Below in seven niches are the Virgin and Child and six Apostles; lower down on either side of the portal, the four Evangelists. In the lunette, R., Raising of Lazarus; lunette over the outer portal, Crucifixion; lunette L., Burial of the Virgin. These, which are among the finest mosaics of the period, formed part of the work that the Zuccati had to answer for in 1563. They were charged by the Bianchini and Bozza with having used the methods of painting and not of true mosaic to produce certain effects. The most famous tribunal ever brought together in the history of art sat to try the case. It was composed of Titian, Paul Veronese, Tintoretto, Jacopo da Pistoia and Schiavone. Although the Zuccati were condemned to remove and replace at their own cost the work that had been gone over with the brush, the honours of the trial rested with them, Titian frankly eulogising their craftsmanship.

No sense of disappointment will be felt at the first view of the interior. The symmetry of the architecture, the gorgeous mosaics, the rich pavement, the precious marbles covering the walls, the manifold variety of the columns, and (if the traveller have the fortune to be present on Easter or St Mark’s Day) the dazzling brilliancy of the Pala d’Oro glittering with jewels make a scene of oriental splendour not easily forgotten. In earlier times, when the windows were filled with pierced screen-work of marble, the church was much darker, for, says Moryson, “the papist churches are commonly dark to cause a religious horror.” Evelyn in 1645 found the interior dark and dismal.

Merely to name the subjects of the 40,000 square feet of mosaics in the interior would weary the reader. We do but indicate the more important and more interesting. The general scheme is designed to illustrate the mysteries of the Christian faith and the story of the patron saint. Over the main entrance is the oldest of the mosaics, probably an eleventh-century work—Christ enthroned between the Virgin and St Mark. In the book held by the Redeemer are the words in Latin, “I am the Door; if any man enter by Me he shall be saved and find pasture.” A similar inscription exists to this day over the Porta Basilica which opens into the nave of St Sophia at Constantinople. In the half dome of the apse the colossal seated figure of Christ in the act of blessing meets the eye of the worshipper as he enters the church and walks towards the sanctuary, even as it did in the apse at St Sophia.[90] In the centre of the dome over the high altar is again the figure of Christ, and, above the windows, the Virgin, and the prophets who foretold Christ’s coming, bearing scrolls inscribed with their testimony. The pendentives bear symbolic figures of the Four Evangelists, that of the Lion of St Mark with a strangely human face, being designed with admirable force and dignity. Scenes in the life of Christ are portrayed on the vault between this and the central dome; the Passion and Resurrection on the vault between the central and western domes. The great central dome is treated with profound thought and fertile invention, and executed with infinite care. In the apex is the glorified Christ seated on a double rainbow, surrounded by exulting angels. Below are the Virgin, the Apostles and the Evangelists alternating with olive and palm trees. The beautiful figure of the Virgin stands between two angels. In the spaces between the windows are the Virtues and the Beatitudes. They may easily be distinguished by their inscriptions and symbols.

The W. dome treats of the Descent of the Holy Ghost. A white dove standing on a book placed on a throne fills the centre, and from this emblem of the Holy Spirit twelve streams of fire descend upon the figures of the Twelve Apostles circling the dome. The men of every nation to whom they spoke, each in his own tongue, are figured at the Apostles’ feet between the windows.

In the dome of the N. transept is figured a Greek cross, in the centre of which are eight Greek letters set in a circle, whose meaning is doubtful. Near this centre, N. and S., is an alpha; E. and W., an omega. On the arms of the cross the Golden Rule is expressed in a curious rhyming Latin paraphrase, beginning on the E. and continuing on the W., N. and S. arms.

The dome of the S. transept bears figures of SS. Leonard, Nicholas, Clement and Blaise. In the pendentives SS. Erasmus, Euphemia, Dorothy and Thecla. While Vicenzo Sebastiani was finishing this last, he fell from the scaffolding and was killed. On the vaultings of the transepts are represented the parables and miracles of Christ. The vaulting to the E., between the S. and the centre domes, has delightfully naive and dramatic representations of the Temptation and the Entry into Jerusalem. On the western side are beautiful representations of the Last Supper and the Washing of the Disciples’ Feet. On the vaultings and the walls of the aisles are stories of the martyrdom of the Apostles.

Modern mosaics illustrating the Book of Revelation, the Last Judgment, Hell and Paradise, cover the vaultings beyond the W. dome and over the W. gallery. They and many other of the mosaics are best seen from the galleries.

On the lower walls of the aisles are repeated the figures of prophets that foretold the coming of Christ bearing the usual scrolls. To the N. are Hosea, Joel, Micah and Jeremiah, with a beautiful representation of the youthful Christ in the centre. S. are Isaiah, David, Solomon and Ezekiel, with the Virgin answering to the figure of Christ.

The story of the patron saint begins on the vaulting of the N. organ loft over the choir, where scenes in his life and martyrdom are portrayed. They are, however, partly concealed by the organ. These, perhaps the oldest mosaics in the church, were largely restored in 1879 by the Venezia-Murano Company. Opposite, to the S., on the vaulting, is most quaintly told how the body of the saint came to Venice. The designers are very frank in their story of the Translation of the body. Furenter, “it is stolen” from Alexandria.

On the W. wall of the S. transept opposite the Chapel of the Holy Blood is told the story of the miraculous rediscovery of the body in 1094: The Doge, clergy and people, with solemn fast and prayer, implore divine aid, and a round column in the church opens and discloses the saint’s body. Tradition, however, says that the body was found in the large pier called St Mark’s pillar, to the left of the Chapel of the Holy Blood. An angel’s head in full relief is carved above the spot, and a lamp burns below an inlaid cross. The line of cleavage is still seen. Tradition, however, would seem to be at fault in this matter, for when the pillar was recently stripped of the marble facing, the solid core had clearly never been disturbed.