Transition from Classic to Mediæval Architecture, 90; principles of Greco-Italian design, trabeate as opposed to the arch, 91; gradual introduction and development of the latter, 92; trabeate features dropped, 93; early Christian architecture a continuation of that of Rome, 94; the basilica, 95; the baptistery, 96; San Vitale, 96; Byzantine edifices, the dome, 97; St Mark’s, Syrian churches, 98; early churches in the West--Romanesque varieties, 99; attempts to vault--San Miniato, 100; Notre Dame du Pré, Le Mans; form of vaulting in Provence, 102; in Aquitaine, 103; St Front, Perigueux, 104; the dome and single nave characteristic of the South, 105; varieties of style, influence of Roman remains, 105; powerful in Provence, 106; shewn in campaniles, baptisteries, and especially sculpture, 107; supposed Byzantine influence--the pointed arch, 107; used for simplicity of construction, 108; Burgundian style, imitative of nature, 109; the severe style of the Cistertians, 110; the second style of Provençal art; the two periods described, 111; growth of lay element, 112; traditional ecclesiastical forms abandoned and new natural forms adopted, 113; Northern Gothic developed, 114; Gothic applicable to all requirements, 115; domestic and castellated Architecture, 116; origin and growth of the latter, 117; peculiarities in the South, 118; recapitulation, 119; place of Provençal Architecture, 120. VI. DESCRIPTION OF MEDIÆVAL BUILDINGS. Description of Mediæval buildings--Lyons, the Ainay, 121; the cathedral, 122; Vienne, St André-le-Bas, and St Pierre, 124; cathedral, 126; ancient houses, 127; Valence, Maison des Fêtes, 127; castle of Crussol, monastery of Cruas, 128; church of Cruas, 132; Montélimar, Viviers--commencement of Provençal examples, St Paul-trois-châteaux, 134; St Restitut, Pont St Esprit, 136; Courthézon, Avignon, 137; history, 138; Notre Dame des Doms, 139; imitation of Roman work, 141; palace of the Popes, 143; history, 144; description of, 145; walls of town, 148; gates, 151; Pont St Bénezet, 151; tower of Villeneuve, 154; castle of St André, 155; gatehouse, 156; curtains, 161; guard rooms on walls, 162; church of Villeneuve, 163; churches of Avignon, the Beffroi, abbey of St Ruf, Priory of St Veran, 164; Vaison, 165; Carpentras, Venasque, Pernes, Le Thor, Cavaillon, 167; Le clocher de Molléges, 168; Tarascon, history, Ste Marthe, 168; castle, 170; houses, gateway, 172; Beaucaire castle, 173; triangular keep, 176; oratory, 178; Les Baux, 179; the town--the bas-reliefs, 180; account of the family, 181; St Gabriel, 182; Arles, St Trophime, 183; includes examples of all periods of Provençal Architecture--the Cistertian nave, 184; the west portal, 187; the cloisters, 188; the Alyscamps, St Honorat, 191; prosperity of Arles after union to France--Renaissance palaces, 192; Mont-Majour, Hermitage, 194; church, 196; cloister, 199; chapel of Ste Croix, 199; the keep, 203; St Gilles, Abbey church,