Nobility, claims to, by glass-workers, 230-231 Norman _versus_ Lorraine glass, 234 _note_ Normandy, glass made in, 234-235 Normandy, glass-workers from, in England, 304-305 _Nuppen_ or ‘Prunts,’ 253 Nuremberg mirrors, 138-139 Nuremberg, Venetian glass imitated, 256 Nuremberg, enamelled glass of, 271-272 _Ochsenkopf humpen_, 268 Onyx glass, Greco-Roman, 68-70 _Opus sectile_ as wall-covering, 54-55 Oriental influence, in Europe, 89-90 Oriental influence, on Germanic jewellery, 107-108 Oriental influence, on Mediæval German glass, 114-117 Orleans, glass made at, 238-239 Orschall’s _Sol sine veste_, 290 ‘Painted’ enamels on Venetian glass, 208 ‘Painted’ enamels on German glass, 273-274 Palissy on cheapness of glass, 228 _Paraison_, term explained, 14 Papyrus of Leiden, 120 _Pass-glas_, narrow cylinder, 269 Passini, on the Treasury of St. Mark’s, 100 _note_ _Pâte de Verre_ of Henri Cros, 359-360 Patents and licences to ‘adventurers,’ 311-314 Paternoster Kugel, 292 Paternosters, a kind of bead, 184 Paul the Silentiary quoted, 97 Pax, Gothic, how painted at back, 141-142 Percivall, Thomas, 309, 310, 311 _Perle a rosette_, _see_ Chevron beads. Persian glass, 172, 338-342 Persian glass, rarity before seventeenth century, 172 Persian glass, Venetian origin, 338-341 Persian glass, earlier examples, 339 Persian glass, enamelling on, 339 Persian glass, shapes of blown glass, 339-340 Persian glass, engraved glass, 340-341 Persian glass, Chardin quoted, 341-342 Petrie, Dr. Flinders, on manufacture of glass in Egypt, 22-23, 24-25 Phœnician coast towns, early moulded glass, 57-58 Phœnician glass-makers, Pliny on, 76-78 Physical properties of glass, 10-12 Pictures of old masters, glass in, 202-203, 243, 244, 251-252, 254-255 ‘Pillar moulding’ on early Roman glass, 63 ‘Pillar moulding’ on Byzantine glass from Egypt, 106 Plate-glass, 210 Plate-glass, French invention, 235 Pliny on preparation of glass, 76-79 Pliny on _magnes lapis_ and _magnesia_, 77 Podgoriza bowl, 95 _Pointillé_ engraving on glass, 297-298 Poitou, Roman glass found in, 84-85 _Po-li_, Chinese name for glass, 347 Pompeii, glass from, 60, 69-70 _Pontil_ or _punto_, 14 Porcelain, relation to glass in history, 3 Porcelain, imitated by _lattimo_ glass, 205-206, 239, 249, 290, 291, 334 Portland or Barberini vase, 68-69 Potash used for inland glass, 11, 136 Potash, source of, 13 Potash, glass maintained in Germany, 257-258 Pottery, relation to glass in history, 2-3 Pretender, the, his head on wine-glasses, 330 Primitive glass, 18-42 Primitive glass, restricted use of, 20 Primitive glass, Greek and Egyptian names, 20 Primitive glass, of Egyptians imitates native stones, 21-22 Primitive glass, late survivals, 37-38 Primitive period in history of glass, 18 _Procello_ or ‘spring-tool,’ 15 ‘Prunted’ beakers, of Anglo-Saxons and other Germanic tribes, 110-112 ‘Prunted’ beakers, how made, 111 ‘Prunted’ beakers, found in Illyria, 111