Lisseweghe—Ch. 182 note 50.
Loches—Saint Ours, 14, 15, 55, Figs. 9, 10, 24.
Loctudy—Ch. 160.
Loire—School of, 29 et seq.
Lombardy—24.
—— School of, 26 note 77, 42, 44 et seq.
London—Tower Chapel, 22, 159.
Louis VI—74.
Lübeck—Saint Jakob, 182 note 50.
Lucheux—Ch., 48 note 160, 161.
Ludinghausen—Ch., 182 note 50.
Lusignan—Ch., 37.

Magdeburg—Cath., 72, 100, 101, 172 note 36.
—— Brunnenkapelle, 157.
Mainz—Cath., 41 note 133.
—— Saint Stephen, 104 note 279.
Malmo—Ch., 174 note 39.
Mans, Le—Cath., 47, 93, 171, 178, 180, 182.
—— La Couture, 48 note 160, 49, 50, 55, 57, 151 note 52, 183, Fig. 20.
—— N.D. du Pré, 64 note 180.
Mantes—Cath., 37, 69 note 191, 102, 146, 161.
Marburg—Saint Elizabeth, 104, 111 note 16.
Marseilles—La Major, 115 note 37.
Meaux—Cath., 26 note 74.
Mehun-sur-Yevre—Ch., 184 note 65.
Melle—Saint Pierre, 22, 24 note 60.
Mézières—Ch., 94.
Milan—Cath., 79, 80, 155, 168.
—— Sant’ Ambrogio, 16 note 35, 41, 44, 46, 59, 60, 78 note 217, Fig. 18.
—— San Babila, 24 note 63.
—— Sant’ Eustorgio, 24 note 63.
—— San Nazzaro, 52 note 169.
Minden—Cath., 104 note 279.
Moissac—Ab. Ch., 138.
Molfetta—Cath., 13 also note 30, 20.
Mollèges—Saint Thomas, 17 note 37.
Monasterio de la Oliva—Ch., 127.
Montagne—Ch. 116 note 39.
Montiérender—Ch., 26.
Montmajour—Ch., 17 note 37, 127 note 7, 160.
Mont Saint Vincent—Ch., 35 note 103.
Morienval—Ch., 74, 78 note 219, 127, 152, 163, 166 note 26, 168, Figs. 77, 78, 79.
Moulins—Cath., 138, 147.

Nantes—Cath., 114.
Nantille—N.D., 116 note 39.
Naples—Cath. Baptistry, 2.
Narbonne—Cath., 114.
Naves—vaults of, 1 et seq.
—— and aisles of equal height, 104.
—— vaulted with domes on squinches, 8.
—— without side aisles, 48.
Nesle—Ch., 72 note 200.
Neubourg—Ch., 152 note 54, 178 note 42.
Neufchâtel—Ch., 111 note 19.
Nevers—Cath., 55, Fig. 25.
—— Saint Étienne, 18 note 39, 29, 106, 125 note 2.
Nîmes—17.
—— amphitheatre, 159.
—— Nymphaeum, 17.
—— temple of Diana, 17, 126 note 3.
Normandy—59.
—— School of, 26 note 77, 42.
Norwich—Cath., 87, 184 note 65.
Notre Dame-de-l’Épine—Ch., 149, 150, Fig. 71.
Nouaille—Ch., 22 note 58.
Noyon—Cath., 67, 78 note 217, 99, 103, 110, 136 note 28, 141, 144.
Chapel of, 94, Fig. 41.
Nürnberg—Saint Lorenz, 178.
Nymwegen—Ch., 26, 180.

Omonville-la-Rogue—Ch., 108 note 9.
Oppenheim—Ch., 182 note 50.
Orange—Cath., 37.
Orcival—Ch., 107, 115, 184 note 60.
Orleans—Saint Euverte, 123.
Ouistreham—Ch., 64.
Oxford—Cath., 87, 93.
—— Christ Church staircase, 91 note 253.
—— Proscholium, 87.
—— Schools, 86 note 236.

Paderborn—Cath., 104 note 279, 111 note 16.
Padua—Sant’ Antonio, 13 note 30, 148, 151 note 52.
Palestine—40.
Palognieu—Ch., 35 note 103.
Pamplona—Cath., 176.
—— San Saturnino, 146.
Paray-le-Monial—Ch., 32, 34, 163, 170, Figs. 14, 15.
Paris—Cath. N.D., 68, 103, 114, 122 note 50, 142, 180.
—— Sainte Chapelle, 56, 80, 104 note 279.
—— Saint Étiennne-du-Mont, 123.
—— Saint Eustache, 94, 180.
—— Saint Germain-des-Pres., 139, 141.
—— Saint Martin-des-Champs, 127, 135 note 25, 136 note 28, 138, 139, 141, 161, Fig. 65.
—— Saint Severin, 150, 180.
Parthenay-le-Vieux—Notre Dame, 20 note 46, 22.
Pavia—Certosa, 69, 72, 100.
—— San Lanfranco, 47.
—— San Michele, 46, 58 note 176, 60.
—— San Teodoro, 57 note 175.
Pendants—92.
Pendentives—3.
—— domes on spherical, 1.
Perigord—school of, 2, 6, 7, 51.
Périgueux—2.
—— Cath. of Saint Front, 3, 4, 5, 6, 7, 8, 36 note 108, 105, 114, Figs. 1, 2.
—— Saint Étienne, 6, 7.
Peristeroma—Ch., 5 note 15, 8 note 25.
Perpignan—Cath. Saint Jean, 148.
Perugia—Cath., 104 note 279.
Peterborough—Cath., 89, 90, 91, 92, 99, Fig. 39.
Petit Quévilly, Le—Ch., 65, 66.
Pirna—Hauptkirche, 150 note 51.
Poitiers—Cath., 48 note 160, 51, 104.
—— Notre Dame-la-Grande, 24, 125 note 1.
—— Saint Hilaire, 11, 12, 36 note 105, 112 note 22, 125 note 1, Figs. 7, 8.
—— Sainte Radegonde, 48 note 160, 51, 57.
Poitou—21.
—— School of, 16, 23 et seq.
Pontaubert—Ch., 39 note 121.
Pontoise—Saint Maclou, 168, 174.
Pontorson—Ch., 77.
Prenzlau—Marienkirche, 104 note 279.
Preuilly-sur-Claise—Ch., 162.
Provence—School of, 16, 17 et seq., 125.
Provins—Saint Quiriace, 72, 140, 152, 153, Fig. 31.
Puiseaux—Ch., 108 note 9.
Puy, Le—Cath. of Notre Dame, 9, 10, 11, 12, 14, 35, Figs. 5, 6.

Quedlinburg—Saint Wipertus (near), 159.
Querqueville—Ch., 110 note 13.
Quimperlé-Sainte Croix, 159 note 7.

Radiating Chapels—Vaulting of, 183.
Ravenna—Palace of Theodoric, 24 note 63.
—— San Vitale, 2, 162.
Reims—Cath., 79, 80, 143, 152, 153.
—— Saint Jacques, 69, Fig. 29.
—— Saint Nicaise, 182.
—— Saint Remi, 37, 112 note 23, 135 note 25, 136, 141, 143 note 36, 154, 168, 173, 176, 177, 178, 184, Figs. 64, 83, 87.
Rhenish Provinces—School of, 26 note 77, 41.
Ribe—Cath., 71.
Ribs—transverse, function of, 99.
—— use of wall, in Gothic ribbed vaulting, 136.
—— ridge, in Anjou, 49.
—— impost level in chevet vaults, 153.
Rieux-Merinville—Ch., 160.
Ripon—Cath., 82.
Rivolta-d’Adda—Ch., 41, 44, 58 note 176.
Roberval—Ch., 108 note 7.
Rochester—Cath., 26 note 74, 69 note 192.
Rolduc—Ch., 110.
Rome—Basilica of Maxentius, 36, 78 note 217.
—— Domus Augustana, 2.
—— Lateran Baptistry, 25.
—— Palace of the Caesars, 2.
—— Santa Costanza, 159.
—— San Giovanni in Laterano, 158.
—— S. M. sopra Minerva, 138.
—— Stadium of Domitian, 158, 159 note 6.
—— Temple di Siepe, 129.
—— Thermae of Caracalla, 2.
Ronceray—Ch., 36.
Rosheim—Ch., 42 note 136.
Rouen—Cath., 26 note 74, 79, 100, 143, 171, 174.
—— Lycée Corneille, 111.
—— Saint Maclou, 121.
Rue—Chapel of Saint Esprit, 95.
Rys—Ch., 108 note 9.

Saint Aignan—Ch., 54 note 171.
Saint Astier—Ch., 6.
Saint Avit-Sénieur—Ch., 6, 50.
Saint Barnabas—Ch., 5 note 15.
Saint Benoît sur Loire—Ch.,
18 note 39, 22, 30, 125 note 2, Fig. 13.
Saint Bertrand-des-Comminges—Ch., 81.
Saint Denis—Ab. Ch., 66, 67, 75, 78, 169, 174.
Saint Dié—42 note 136.
Saint Gabriel—Ch., 64.
Saint Genou—Ch., 18 note 39, 22, 30.
Saint Germer-de-Fly—Ch., 43, 67, 78, 79, 101, 133, 135, 136, 137, 138, 140, 141, 153, 154, 168, Fig. 63.
Sainte Chapelle, 137.
Saint Gilles—Ch., 99 note 275.
Saint Guilhem-du-Désert—Ch., 19, 20.
Saint Hilaire—Saint Florent.—Ch., 51.
Saint Jean-au-Bois—Ch., 108 note 7.
Saint Jouin-de-Marnes—Ch., 22 note 58.
Saint Leu d’Esserent—Ch., 54 note 170, 141, 170, Fig. 81.
Saint Loup-de-Naud—Ch., 25 note 66, 40.
Saint Martin-de-Boscherville—Saint Georges, 39, 64, 108, 112, also note 23, 121, 127, 138, Figs. 51-61.
Chapter-house, 108, Fig. 52.
Saint Martin-de-Londres—Ch., 17 note 37, 110 note 12.
Saint Nectaire—Ch., 27 note 82, 106 note 4, 115.
Saint Nicholas-du-Port—Ch., 94, 108, 123 note 57.
Saint Paul-Trois-Châteaux—Ch., 20 note 44, 21 note 49.
Saint Pierre-de-Redes—Ch., 17 note 37, 127 note 7.
Saint Pierre-sur-Dives—Ch., 180.
Saint Pons-de-Mauchiens—Ch., 40.
Saint Quentin—Cath., 148, 174.
Saint Saturnin—Ch., 27 note 79, 106 note 4.
Saint Savin-sur-Gartempe—Ch., 24, 125, 162.
Saint Vincent-des-Prés—Ch., 33 note 98.
Saintes—Saint Eutrope, 21, 36 note 105, 40, 160.
Salamanca—Old Cath., 51, 55 note 173, 117 note 42.—New Cath., 94, 117.
Salisbury—Cath., 79, 101 note 276.
San Galgano—Ch., 69 note 194.
San Martino—Ch., 69 note 194.
Santiago-de-Compostella—Ch., 29 note 86, 55 note 172.
Saragossa—Cath., 120.
Sarvistan—palace, 2.
Saumur—Saint Pierre, 116 note 39.
Schlestadt—Ch., 42 note 136.
Séez—Cath., 138.
Segovia—Cath., 94.
Semur-en-Auxois—N. D., 143 note 35.
Senlis—Cath., 67, 102, 141 note 33, Fig. 47.
Chapel of, 95, Fig. 43.
Sens—Cath., 67, 98, 122 note 50, 141, 142, 169, 171, Figs. 28, 45.
Severac-le-Châteaux—Ch., 40.
Sherborne—Ab. Ch., 90, 92.
Silvacane—Ch., 20, 30.
Simiane—Château, 116 note 40.
Soest—S. M. zur Wiese, 104 note 279.
Soissons—Cath., 78, 79, 111, 112, 122 note 50, 135 note 25, 136 note 28, 137, 141, 142, 143, 176, 184, Fig. 67.
Solignac—Ch., 6 note 21, 7 note 22, 114.
Souillac—Ch., 6 note 21, 105.
Southwell—Minster, 101 note 276.
Souvigny—Ch., 18 note 40, 22, 34, 93.
Speyer—Cath., 41 note 133, 42, 58.
Spoleto—San Salvatore or del Crocifisso, 114.
Squinches—domes on, 2.
Stargarde—Marien-kirche, 148, 180.
—— Johanniskirche, 180 note 44.
Stendal—S.M., 104 note 279.
Strassburg—Cath., 178 note 42.

Tag-Eivan—35.
Tarascon—Saint Gabriel, 17.
Tewkesbury—Ab. Ch., 87, 89, 150, 178 note 42, Fig. 38.
Thor—Ch., 127 note 7.
Tivoli—Villa Adriana, 2, 117, 128, 129.
Toledo—Cath., 178.
Torcy—Ch., 127 note 7.
Toro—Ch., 117 note 42.
Toul—Saint Gengoulf, 182 note 50.
Toulon-sur-Arroux—Ch., 39 note 121.
Toulouse—Jacobins, 182, Fig. 89.
—— Saint Nicholas, 81.
—— Saint Sernin, 18 note 41, 20 note 46, 28, 29, 112 note 23, 125 note 2, 162.
Tour—Ch., 108 note 9.
Tournai—Cath., 110, 133, 138, 169 note 29, 174, Figs. 53,