Pilgrims in Rome, 9, 67 Pincian hill, 16, 17, 100, 135, 224, 244 Pinelli, 140, 226 Piombino, 68, 170, 174 Pius VI., 140, 173, 238 Pius IX., 11, 22, 85, 202, 203, 208, 213, 215, 219, 231, 238; and Italy, 214, 215, 219, 235, 236; liberal impulses, 213; and the _non possumus_, 215; and the people, 222, 245; and the syllabus, 236; and Victor Emmanuel, 250 Pius X., 77, 250 Pizzardoni, 151 Plebiscite, the, 251 Plebs, the, 14, 56, 62, 78, 81 Police, 54, 55, 144, 149-151, 215 Pompeii, 29, 45 Pompey, theatre of, 163 Pomponius Grecinus, 45 Pons Aelius, 32; Fabricius, 7, 29; Cestius, 7; Triumphalis, 55 Ponte Margherita, 102; Quattro Capi, 29; Rotto, 223; S. Angelo, 9, 32 Ponte, _rione_, 55 _Pontifex Maximus_, 197 Pontine marshes, 30 Pope, 201, 202, 205; court of the, 173; presentation at, 253; and conciliation, 249; and the Catholic princes, 237, 238; election of, 202; and Italy, 246-250, 252 Popes, fugitive, 239; Senate of the, 201 Population of Rome, 12, 34 _Populus_, 14 Porphyry, 27, 36 _Porporati_, 204 _Porta Furba_, 72, 73 Porter, house, 94, 95, 110, 175 Porticoes, 33, 35 Portico of Octavia, 30, 168 Porto, 26 Possession, 82 _Pozzolana_, 24 Praetextatus, 45 Praetorian guard, 54 Prelate, Italian, pamphlet by, 254 Prefect, 54, 169 _Prepotenza_, 134 Presbyters, 200, 201 Primacy, papal, 42, 235, 244 Princes, Roman, 108, 159, 161, 170, 172, 173, 176, 177, 207 Prince Assistant, 167, 170 Priory of the Knights of Malta, 5 Priscilla and Aquila, 5 Processions, 58, 66, 67, 205, 252 _Propaganda Fide_, 248 Prophets, 48, 188 Protestantism in Rome, 47, 189, 190, 193 Provisioning of the city, 65, 103, 105 Pudens, 45, 46 Pumice stone, 24 Puritanism, 112, 188, 189, 194, 196 Quarries, 23, 24, 25 _Questura_, 150 _Questurini_, 150 Quirinal hill, 5, 6, 31, 53, 163, 166, 208 Quirites, 4, 5, 15 Regional devices, 57, 59 Regions, 43, 52-61, 201-2 Regola, _rione_, 56 Religion. _See_ Roman, and Catholicism, Italian Religious fabrics, laws about, 248 Remus, 5 Renaissance, 36, 38, 58, 124, 172, 237 Republic. _See_ Rome _Res publica_, the Roman, 180-186 Rhea Silvia, 2 _Rheda_, 72 Rienzo, Cola di, 14, 57 Rignano, duca, 168 _Rioni_. _See_ Regions Ripa, _rione_, 56 _Roma Quadrata_, 2, 4, 197