Peter, S., figure of, 49, 118, 123, 275; chains of, 68, 102, 183; chapel of, 68, 78, 102, 130, 183, 184; church of, at Rome, 72, 74, 116, 189, 192 Pharos, 116, 117 Phengites, 262 Phiale, 44, 141, 189, 190, 191 Philoxenus, cisterns of, 248 Phrygian marble, 45, 56, 59, 237 Piers, 22, 25, 28, 29, 41, 79, 133, 157, 159; of stone, 155, 234; of west front, 193 Plane of least labour, 261 Polishing marble, 246 Pointed arches, 220 Polycandela, 111, 112, 114, 115, 140 Porches, 69, 70, 91, 123, 151, 183, 190, 215, 288; south, 185; doors of, 268, 270 Porphyry, 37, 134, 236 Porticoes of Domninus, 182; of mese, 6; of milion, 182; of Severus, 6 Porto-Venere marble, 171, 239 Pozzolana, 291 Praepositus, 94, 95 Priests, 47, 67, 91, 107, 140, 144 Proaulion, 137, 179 Procession to the church, 95 Proconnesus, marble of, 4, 44, 46, 79, 80, 81, 156, 163, 164, 166, 172, 209, 237, 242, 243, 256 Procopius, (6th c.), 21, 22, 68, 159, 174, 180, 189, 197, 206, 214 Pronaos, 67, 181, 184 Prothesis, 63, 64, 75, 77 Protomaistor, 145, 207 Protooikodomos, 136, 206 Protopapas, 91, 93 Protospatharios, 91 Protopsaltae, 63, 79, 92 Psellus (11th c.), 145 Pulcheria, 12, 16 Purgos of ciborium, 47; of ambo, 54 Q Quadriporticus, 215 R Ramazan illuminations, 121 Ravenna, 17, 71, 80, 88, 183, 209, 246 Readers, 160 Receptions on way from Palace, 95 Refendarius, 64, 91 Relics, 16, 97, 100, 106, 137, 139 Resin fixes marble to walls, 172 Restoration of image worship, 122; of S. Sophia, 22, 29, 123, 210, 212 Rhodes, bricks from, 136, 142, 156 Riant, 19, 100, 108 Ribs of dome, 159, 275 Robert de Clari (13th c.), 61, 70, 72, 113, 115 Rohault de Fleury, 17, 61, 67, 74, 113, 116 Roman system of building, 199 Romanus Argyrus, (1028), 123, 295 Rome, 2, 17, 123, 200, 209 Rosso antico, 171, 242 Round N.E. building, 78, 154, 217 Royal Door, 67, 150, 151, 181, 204; slabs over, 242 Russian Pilgrim, 65, 143, 145 S Sacellarius, 91 Sacristy, 78, 154, 184; see Skeuophylakium Salonica, see under Demetrius, also Sophia Salzenberg, 19, 20, 34, 42, 67, 78, 149-172, 203, 210, 213, 216, 219, 273 Sanctuary, 28, 68, 78, 101, 102, 105, 107, 109; smaller, 77, 101; right of in S. Sophia, 189 Scaffolding, 123, 142, 226 Schlumberger, 91 Screen to solea, 79; in South Gallery, 90, 262 Sculptor Marmorum, 206 Scylitzes (11th c.), 123 Secondary order of columns, 213, 214, 219, 230 Selim II., 127 Semidomes, 22, 24, 40, 150, 209, 219, 226 Senate, 6, 11, 12, 179 Sepulchre Holy, slab of, at S. Sophia, 101, 105; Church of, at Jerusalem, 41, 74, 83, 84 Seraglio, 10, 180, 184; Point, 1, 2, 5, 6 Sergius S., church of, at Bosra, 204; Church of, at Constantinople, 83, 166, 174, 204, 205, 218, 256, 257, 295, 296