Pagan and Christian Rome

by Rodolfo Amedeo Lanciani

The most important monument of the atrium, after the fountain, was the tomb of the emperor Otho II. († 983), or what was believed to be his tomb, as some contemporary writers attribute it to Cencio, prefect of Rome, who died 1077. The body lay in a marble sarcophagus, which was screened by slabs of serpentine, the whole being surmounted by a porphyry cover supposed to have come from Hadrian's mausoleum. The mosaic picture above represented the Saviour between SS. Peter and Paul. This historical monument was demolished by Carlo Maderno in the night of October 20, 1610. The coffin was removed to the Quirinal and turned into a water-trough. Grimaldi saw it last, near the entrance gate from the side of the Via dei Maroniti. The panels of serpentine were used in the new building, the picture of the Saviour was removed to the Grotte; the cover of porphyry was turned upside down, and made into a baptismal font.

The church was entered by five doors, named respectively (from left to right) the Porta Iudicii, Ravenniana, argentea or regia maior, Romana, and Guidonea. The first was called the "Judgment Door," because funerals entered or passed out through it. The name "Ravenniana" seems to have originated in the barracks of marine infantry of the fleet of Ravenna, detailed for duty in Rome, or else from the name "Civitas Ravenniana" given to the Trastevere in the epoch of the decadence. It was reserved for the use of men, as the fourth or Romana was for women, and the fifth, Guidonea, for tourists and pilgrims. The main entrance, called the "Royal," or "Silver Door," was opened only on grand occasions. Its name was derived from the silver ornaments affixed to the bronze by Honorius I. (a. d. 626-636) in commemoration of the reunion of the church of Histria with the See of Rome. According to the "Liber Pontificalis" nine hundred and seventy-five pounds of silver were used in the work. There were the figures of S. Peter on the left and S. Paul on the right, surrounded by halos of precious stones. They were the prey of the Saracens in 845. Leo IV. restored them to a certain extent, changing the subject of the silver nielli. In the year 1437, Antonio di Michele da Viterbo, a Dominican lay brother, was commissioned by Pope Eugenius IV. to carve new side doors in wood, while Antonio Filarete and Simone Bardi were asked to model and cast, in bronze, those of the middle entrance.

On entering the nave the visitor was struck by the simplicity of Constantine's design, and by the multitude and variety of later additions, by which the number of altars alone had been increased from one to sixty-eight. Ninety-two columns supported an open roof, the trusses of which were of the kingpost pattern. In spite of frequent repairs, resulting from fires, decay, and age, some of these trusses still bore the mark of Constantine's name. They were splendid specimens of timber. Filippo Bonanni, whose description of S. Peter's deserves more credit than all the rest together, except Grimaldi's manuscripts,[82] says that on February 21, 1606, he examined and measured the horizontal beam of the first truss from the façade, which Carlo Maderno had just lowered to the floor; it was seventy-seven feet long and three feet thick. The same writer copies from a manuscript diary of Rutilio Alberini, dated 1339, the following story relating to the same roof: "Pope Benedict XII. (1334-1342) has spent eighty thousand gold florins in repairing the roof of S. Peter's, his head carpenter being maestro Ballo da Colonna. A brave man he was, capable of lowering and lifting those tremendous beams as if they were motes, and standing on them while in motion. I have seen one marked with the name of the builder of the church (CONstantine); it was so huge that all kinds of animals had bored their holes and nests in it. The holes looked like small caverns, many yards long, and gave shelter to thousands of rats." Grimaldi climbed the roof at the beginning of 1606, and describes it as made of three kinds of tiles,—bronze, brick, and lead. The tiles of gilt bronze were cast in the time of the emperor Hadrian for the roof of the Temple of Venus and Rome. Pope Honorius I. (625-640) was allowed by Heraclius to make use of them for S. Peter's. The brick tiles were all stamped with the seal of King Theodoric, or with the motto BONO ROMÆ (for the good of Rome). The lead sheets bore the names of various Popes, from Innocent III. (1130-1138) to Benedict XII. All these precious materials for the chronology and history of the basilica have disappeared, save a few planks from the roof, with which the doors of the modern church were made.

Another sight must have struck the pilgrim as he first crossed the threshold, that of the "triumphal arch" between the nave and the transept, glistening with golden mosaics. We owe to Prof. A. L. Frothingham, Jr., of Baltimore, the knowledge of this work of art, he having found the description of it by cardinal Jacobacci in his book "De Concilio" (1538). The mosaics represented the emperor Constantine being presented by S. Peter to the Saviour, to whom he was offering a model of the basilica. It was destroyed, with the dedicatory inscription, in 1525.[83]

The baptistery erected by Pope Damasus after the discovery of the springs of the Aqua Damasiana, and restored by Leo III. (795-816), stood at the end of the north transept.[84] One of its inscriptions contained the verse—

"Una Petri sedes unum verumque lavacrum,"—

an allusion both to the baptismal font and to the "chair of S. Peter's," upon which the Popes sat after baptizing the neophytes. The cathedra is mentioned by Optatus Milevitanus, Ennodius of Pavia, and by more recent authors, as having changed place many times, until Alexander VII., with the help of Bernini and Paul Schor, placed it in a case of gilt bronze at the end of the apse. It has been minutely examined and described several times by Torrigio, Febeo, and de Rossi. I saw it in 1867. The framework and a few panels of the relic may possibly date from apostolic times; but it was evidently largely restored after the peace of the Church. The upright supports at the four corners were whittled away by early pilgrims.

The Chair of S. Peter; after photograph from original. — A Oak wood, much decayed, and whittled by pilgrims. B Acacia wood, inlaid with ivory carvings.