Prefecture Apostolic of Palawan
Giovanni Pierluigi da Palestrina
Republic and Diocese of Panama
Arnold Pannartz and Konrad Sweinheim
Commemoration of the Passion of Christ
Devotion to the Passion of Jesus Christ
Passion of Jesus Christ in the Four Gospels
Feast of the Patronage of Our Lady
St. Paulinus II, Patriarch of Aquileia
Luis Ignatius Peñalver y Cardenas
Feast of Pentecost (of the Jews)
Christian and Religious Perfection
Religious of Perpetual Adoration
Religious of the Perpetual Adoration
Sisters of the Perpetual Adoration
Perpetual Adorers of the Blessed Sacrament
Sisters of Our Lady of Perpetual Help
Pestalozzi and Pestalozzianism
Sts. Peter Baptist and Twenty-five Companions
Bl. Pierre-Louis-Marie Chanel (1)
Ven. Giuseppe Maria Pignatelli
Pierre-Guillaume-Frédéric Le Play
Hebrew Poetry of the Old Testament
Giovanni Francesco Poggio Bracciolini
Antonio and Piero Benci Pollajuolo
Joseph Anthony de la Rivière Poncet
Poor Brothers of St. Francis Seraphicus
Sisters of the Poor Child Jesus
Poor Handmaids of Jesus Christ
Sisters of the Poor of St. Francis
Poor Servants of the Mother of God
Diocese of Porto and Santa-Rufina
Jean-François-Albert du Pouget
Archconfraternity of the Most Precious Blood
Congregation of the Most Precious Blood
Congregations of the Precious Blood
Count Humbert-Guillaume de Precipiano
Religious Congregations of the Presentation
Congregation of the Presentation of Mary
Feast of the Presentation of the Blessed Virgin Mary
Sacred Congregation of Propaganda
Society for the Propagation of the Faith
Ecclesiastical Property in the United States
Prophecy, Prophet, and Prophetess
Protestant Episcopal Church in the United States of America
Diocese of Przemysl, Sambor, and Sanok
Augustus Welby Northmore Pugin
Martyrs during the persecution of Valerian (257-9). The day of their annual commemoration is mentioned in the "Depositio Martyrum" in the chronographia for 354 (Ruinart, "Acta martyrum", ed. Tatisbon, 632) under 11 September. The chronographia also mentions their graves, in the Coemeterium of Basilla on the Via Salaria, later the Catacomb of St. Hermes. The Itineraries and other early authorities likewise give this place of burial (De Rossi, "Roma sotterranea", I, 176-7). In 1845 Father Marchi discovered the still undisturbed grave of St. Hyacinth in a crypt of the above- mentioned catacomb. It was a small square niche in which lay the ashes and pieces of burned bone wrapped in the remains of costly stuffs (Marchi, "Monumenti primitivi: I, Architettura della Roma sotterranea cristina", Rome, 1844, 238 sqq., 264 sqq.). Evidently the saint had been burnt; most probably both martyrs had suffered death by fire. The niche was closed by a marble slab similar to that used to close a loculus, and bearing the original inscription that confirmed the date in the old Martyrology:
In the same chamber were found fragments of an architrave belonging to some later decoration, with the words:
Thus both martyrs were buried in the same crypt. Pope Damasus wrote an epitaph in honour of the two martyrs, part of which still exists (Ihm, "Damasi epigrammata", 52, 49). In the epitaph Damasus calls Protus and Hyacinth brothers. When Leo IV (847-55) translated the bones of a large number of Roman martyrs to the churches of Rome, the relics of these two saints were to be translated also; but, probably on account of the devastation of the burial chamber, only the grave of St. Protus was found. His bones were transferred to San Salvatore on the Palatine. The remains of St. Hyacinth were placed (1849) in the chapel of the Propaganda. Later the tombs of the two saints and a stairway built at the end of the fourth century were discovered and restored.
ALLARD, Rome souterraine (2nd ed., Paris, 1877), 529 sqq.; MARUCCHI, Les catacombes romaines (2nd ed., Rome, 1903), 480 sqq.; Nuovo Bull. di arch. crist. (1895), 11 sqq.; (1898), 77 sqq.; Bibliotheca hagiographica latina, II, 1015; DUFOURCQ, Les Gesta martyrum romains, I, 222sq.
J.P. KIRSCH