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Italy,
Rome, St. Peter's Basilica | Function & Liturgy
Professor Dale Kinney
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St.
Peter's was built as a funerary church, to house the tomb of
St. Peter and the tombs of Christians who wished to be buried
near him, and to accommodate commemorative rituals, including
funeral banquets in memory of those buried there. The focal
point of the building was not the 350-pound gilt altar (the
location of which is uncertain), but an elaborate architectural
structure marking the site of Peter's tomb. This structurethe
shrineis illustrated on the front of the "Pola casket",
an ivory-covered box preserved in the Archaeological Museum
in Venice.

Restoration of the fourth-century shrine of St. Peter,
based on the Pola Casket (J. Toynbee and J. Ward-Perkins)
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Italy, Rome, Casket from Pola, showing the Ciborium of
St. Peter's (?), ivory, Museo Arcgaeologico, Venice |
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The box
was made around 400 CE, probably to carry relics back from Rome.
It shows four people in prayer outside the shrine and a man
and a woman inside it; the two inside turn toward a facade with
closed doors under an arch or tympanum. This façadeevidently
a 3-dimensional aedicula - stands under an open canopy (baldacchino)
supported by 4 columns with twisted shafts; two more twisted
columns stand at the far left and right. Reconstructed in three
dimensions, the four rear columns form a line across the apse,
which was completely shut off from view by curtains hung between
the outer columns and by the aedicula in the center. The aedicula
was enclosed by knee- or waist-high parapets and lighted by
a round lamp suspended from the ribs of the baldacchino. The
lamp is probably the 35-pound gold chandelier with 50 dolphins
listed among Constantine's gifts in the Liber
pontificalis, which also records the twisted columns ("vine-scroll
columns... brought from Greece") and the cross. The description
of a visit to the shrine by a deacon from Gaul (modern France)
200 years after the Pola casket was made, just before 590 CE,
indicates that nothing had changed: [Gregory
of Tours: Glory of the Martyrs] the parapets ("railings")
were opened for the pilgrim, and he was allowed inside to pray,
even to put his head inside the doors in the facade of the aedicula.
The same text records that it was possible to absorb the sanctity
of the tomb by lowering pieces of cloth through the doors until
they touched it; these cloths became secondary relics, possessing
the power of St. Peter, as did the gold keys which people made
for the same purpose.
For similar reasons - the possible transfer of sanctity - people
sought to be buried as close as possible to the shrine. The
sumptuous sarcophagus of Junius Bassus, prefect of Rome, who
died in August 359 CE, seems to have been buried under the floor
quite near St. Peter's tomb, where it was found around 1595.

Italy, Rome, Vatican Museums, Sarcophagus of City Prefect
Junius Bassus (d. 359 CE) with scenes of the Passion |
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Around 400,
the Emperor
Honorius built a round mausoleum attached to the south end
of the transept, with eight niches for sarcophagi; his wife
Maria (d. 407) was the first to be buried there. Those who lacked
the connections to be buried in the apse or transept were buried
in the nave, where the floor was covered with tomb slabs.
In the fourth century, the liturgical use of
St. Peter's was infrequent. Most functions were commemorative
rites for those who were buried there, ranging from private
family meals to huge gatherings; in 396, the wealthy senator
Pammachius filled the entire nave and atrium with poor and homeless
people to whom he gave a banquet in memory of his wife Paula.
Masses were said for all Christians in the city on St. Peter's
holy days, notably June 29 (the feast of St. Peter and St. Paul).
Prudentius describes this festive day, with people streaming
out of Rome in two directions, and the pope ("the sleepless
bishop") saying Mass first in St. Peter's, then across
the Tiber at St. Paul's as recorded by Prudentius.
Perhaps baptism was performed at St. Peter's on this day as
well, as Prudentius' poem dwells on a chapel where a pool of
water reflected the gold and purple painting (mosaic?) on the
ceiling. This would be the baptistery installed at the end of
the north transept by Pope Damasus (366-385).
These commemorative celebrations, which often
extended through the night, could get rowdy. A famous letter
by Bishop Paulinus
of Nola (near Naples), written around 400, explains to another
bishop that Paulinus decided to paint scenes from the Bible
on the walls of the church of his local saint to give raucous
pilgrims something to do besides eat and drink wine During the
fifth centurywhen
such paintings were also added in St. Peter'spublic
funerary banquets disappeared everywhere in Italy. At St. Peter's
the emphasis gradually shifted to papal Masses. The original
arrangement of the shrine was not well suited to that function,
so around 600 Pope Gregory I, according to the Liber
pontificalis, "brought it about
that mass could be celebrated above St. Peter's body."
Excavations have shown that this change entailed raising the
floor around the shrine and in the apse, so that the fourth-century
aedicula was buried and an altar could be placed on top of it.

Italy, Rome, Old St. Peter's,
Restoration of the fourth-century shrine of St. Peter,
based on the Pola Casket (J. Toynbee and J. Ward-Perkins) |
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Italy, Rome, Corpus Basilcarum, Restoration of the shrine
of St. Peter after the raising of the presbytery by Gregory
the Great, c. 600 CE (Krautheimer, Corpus Basilicarum) |
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The shrine
remained accessible from two directions: through a window from
the old pavement level in the transept, and via a semi-circular
corridor under the new floor. This distinctive "annular"
form of crypt is another invention at St. Peter's, and its appearance
elsewhere is generally a sign of the intention to emulate or
"copy" the Roman church.
The twisted columnsoriginally six, with six more added
by gift of Pope Gregory III in the eighth centuryare exceptionally
precious Roman spolia. Decorated with grape vines and in some
cases naked cupids, they have unmistakable Dionysiac connotations
and were probably made for palatial or unusually luxurious public
buildings between the first and third centuries CE.
In the twelfth century, pilgrims or the canons of St. Peter's
invented a story that they came from the Temple of Solomon in
Jerusalem. Despite its obvious implausibility, serious students
of antiquity took this story seriously, and Raphael drew a famous
image of the Portico of Solomon with these columns as its supports.

Italy, Rome, St. Peters, View of the crossing from the
south transept towards Bernini's Baldacchino
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Raphael, Cartoon for the Tapestry of the Healing of the
Lame Man, c. 1515-16, goache on paper, 342 x 536 cm.,
Victoria and Albert Museum, London (on loan from Her Majesty
the Queen) |
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The columns
were reused in every remodelling of the shrine of St. Peter
until this part of the basilica was destroyed in the 16th century.
In the 17th century Bernini rescued 8 of them to decorate the
relic niches in the four great piers under Michelangelo's dome,
where they can still be seen. His colossal bronze baldacchino
perpetuates the memory of the original Constantinian canopy,
transposed to a very different scale.
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