Plan of Theatre of Orange, France. Conjectured Restoration 163 Porta Aurea--Golden Gate--Palace of Diocletian 163 Pont-du-Gard, Aqueduct Near Nîmes 163 Peristyle and Court of the House of the Vettii 163 Wall Paintings in the House of the Vettii 163 S. Apollinare Nuovo, Ravenna 192 S. Apollinare-in-Classe, Ravenna 192 Church of Kalb-Lauzeh, Syria 193 Church of Turmanin, Syria 193 Tomb of Galla Placidia 202 Interior of San Vitale, Ravenna 202 Diagram Showing Pendentives 202 Section of SS. Sergius and Bacchus, Constantinople 202 Section of S. Sophia, Constantinople 202 Diagram showing how a dome rests on eight piers enclosing an octagon, by niches or squinches 202 Exterior of S. Sophia, Constantinople 203 Interior of S. Sophia, Constantinople 203 Plan of S. Sophia, Constantinople 203 Plan of S. Mark’s, Venice 203 Exterior of St. Mark’s, Venice 203 Mosque of El Azhar, Cairo 220 Suleimaniyeh or Mosque of Suleiman 220 Arcades of the Mosque, now Cathedral, of Cordova 220 Court of the Lions, Alhambra, Spain 220 Palace of Ispahan, Persia. Conjectured Restoration of Pavilion of Mirrors and Gardens 221 College of Shah Hussein, Restoration; Ispahan, Persia 221 Mosque of Akbur, Futtehpore-Sikri, India 221 Taj Mahal, Agra, India 221 Pisa Cathedral, Campanile and Baptistry 240 Interior of Pisa Cathedral 240 S. Ambrogio, Milan 240 S. Michele, Pavia 240 The Certosa, or Church of the Carthusian Order, Pavia 240 Church of Vézelay, France 240 Church of Abbaye-aux-Dames, Caen 240 Remains of the Church of Cluny Abbey 240 Church of the Apostles, Cologne 241 Doorway of Salamanca Cathedral 241 Anglo-Saxon Tower, Earl’s Barton, Northamptonshire 241