Aachen—Royal Chapel, 26, 36, 160, 161, 176.
Agliate—Ch., 16 note 35.
Aigues-Vives—Ch., 21.
Airaines—Ch., 48 note 160, 161, 49.
Aisles—vaults of, 96 et seq.
Albi—Ch., 80, 81 note 221, 143 note 35, Fig. 34.
Almeno-San-Salvatore—San Tommaso, 161.
Alternate Supports—system of, 47.
Ambert—Saint Jean, 148.
Ambroise—Saint Florentin, 104.
Ambulatory—vaulting of, 158 et seq.
—— origin of vaulting of, 159.
—— with annular tunnel vaults, 161.
—— with half tunnel vaults, 160.
—— with transverse tunnel vaults, 161.
—— with groined vaulted trapezoidal bays, 162.
—— with ribbed vaults, 163 et seq.
—— with vaults with added ribs, 171.
—— with multiple ribbed vaults, 181.
Amiens—Cath., 79, 80, 86, 100, 123, 137 note 29, 145, Fig. 69.
Anclam—Ch., 182 note 50.
Angers—Cath. Saint Maurice, 48, 51 57, 123 note 54, 155, Figs. 19, 74.
—— La Trinité, 70, 71, Fig. 30.
—— Saint Serge, 51, 55, 104, Fig. 21.
Angoulême—Cath. of Saint Pierre, 5, 6, 7, 8, 105, 106, Figs. 3, 4.
Anjou—Churches of, 49 et seq.
Antwerp—Saint Jacques, 150.
Anzy-le-Duc—Ch., 39.
Apse—vaults of, 124 et seq.
—— vaulted with half domes, 124.
—— with ribbed half-domes, 125.
—— with “groined” half-domes, 128.
—— with four-part ribbed vaults, 129.
—— with a central pier, 152.
Arbona—Ch., 122.
Arles—17.
—— Saint Trophime, 20, 146, 180 note 44.
—— Saint Honorat in Les Alyscamps, 125, 126.
—— Saint Jean-de-Moustier, 126 note 3.
Assisi—San Francesco, 52, 57.
Auvergne—School of, 16, 25 et seq.
Auxerre—Cath., 123, 142 note 34, 152, 156, 173, 174, 178, 184, Figs. 75, 84.
—— Saint Germain, 173, 184.
—— Saint Pierre, 152.
Aversa—Cath., 166.
Avesnières—Ch., 49.
Avignon—chapel of the Pont Saint-Benezet, 99 note 275.
—— Cath. N. D. des Doms, 115, 126.
Azy—Chapel, 34 note 101, 132.

Barcelona—Cath., 104 note 279, 147, 148.
Barletta—Cath., 26 note 74.
Bath—Ab. Ch., 92, 123.
Bayeux—Cath., 122 note 53, 148, 153.
—— Seminaire, Chapel of, 148 note 48.
Bayonne—Cath., 123, 148, 176, Fig. 86.
Beaugency—Saint Étienne, 113.
Beaulieu—Ab. Ch., 127.
Beauvais—Basse-Oeuvre, 74.
—— Cath., 69 note 190, 86, 101, Fig. 46.
—— Saint Étienne, 67, 69, 74, 96, 99, Figs. 32, 44.
—— Saint Lucien, 110 note 15.
Beeskow—Ch., 180 note 44.
Belem—Ab. Ch., 104 note 279.
Bénévent-l’Abbaye—Ch., 36, 115.
Bernay—Ch., 42 note 138.
Berne—Minster, 85 note 233, 94.
Bernières-sur-Mer—Ch., 64.
Berzy-le-Sec.—Ch., 127 note 7.
Beurey-Beauguay—Ch., 1.
Beverley—Minster, 79.
Béziers—Cath., 151, 155.
Blois—Château, chapel, 83, 93.
—— Saint Nicolas, 117, 184, Fig. 56.
—— Cath. Saint Louis, 145 note 41.
Boisney—Ch., 113.
Bois-Sainte-Marie—Ch., 162.
Bologna—San Francesco, 69, 142 note 34, 151.
—— San Petronio, 57 note 175.
Bonnes—Ch., 127 note 7.
Boppart—Ch., 74.
Bordeaux, Cath., 114.
—— Saint Michel, 123 note 54.
Boscherville—See Saint Martin-de-Boscherville.
Bourges—Cath., 68, 137, 142, 153, 156, 169, 178, Fig. 76.
—— Maison de Jacques Coeur, 93.
—— Saint Pierre-le-Guillard, 72 note 200, 138, 147.
Bourgogne—School of, 11, 16, 18, 26 note 77, 31 et seq.
Boxgrove—Priory Ch., 48.
Bragny-en-Charollais—Ch., 39 note 121.
Braisne—Saint Yved, 121, 182.
Brandenburg—Cath., 180.
Brantôme—Ch., 48 note 160.
Brauveiller—Ch., 42 note 136.
Breda—Groote Kerk, 172 note 36.
Bremen—Cath., 71.
Brescia—Duomo Vecchio, 161 note 16.
Breslau—Heiligekreuze, 111 note 16.
Bristol—Cath., 101.
Berkeley Chapel, p. 95, note 272.
—— Saint Mary Redcliffe, 85, 87.
Bruges—Cath. Saint Sauveur, 138, 172 note 36.
Brunembert—Ch., 108 note 7.
Bruyères—Ch., 127 note 7.
Burgos—Cath., 120, 172 note 36.
Bury—Ch., 52, 54, 164, Figs. 22, 23.

Caen—Abbaye-aux-Dames, see La Trinité.
—— Abbaye-aux-Hommes, see Saint Étienne.
—— La Trinité, 39, 40, 43, 59, 60, 62, 64, 65, 78, 107, Fig. 27.
—— Saint Étienne, 43, 59, 60, 62, 63, 65, 66, 76, 77, 103, 108, 135 note 25, 137, 144, 145, 146, Figs. 26, 70.
—— Saint Nicolas, 39, 129.
—— Saint Pierre, 94, 150, 151.
Cahors—Cath., 5, 6 note 21, 7 note 23.
Cambrai—Cath., 138.
Cambridge—King’s College chapel, 91 note 252, 92.
—— Saint Sepulchre, 116.
Canosa—San Sabino, 13 note 30, 14.
Canterbury—Cath., 69, 129, 141, 169, 183.
—— Trinity Chapel, 171.
Carcassonne—Saint Nazaire, 17, 19, 157 note 61.
Caryatid Supports—for ribs, 54.
Casamari—Ch., 69 note 194, 122.
Caudebec-en-Caux, N.D., 152.
Cavaillon—Ch., 36.
Centering—of Perigord domes, 7.
Cerce—48.
Cerisy-la-Forêt—Ch., 64 note 180, 112 note 23.
Chalons-sur-Marne—N.D., 103, 177, also note 41.
—— Notre Dame-de-l’Épine (near), 149, Fig. 71.
—— Saint Alpin, 147.
Champagne—Ch., 12 note 29, 27 note 78, 162.
Chapelle-sur-Crécy, La—Ch., 152.
Chapels—transept, vaults of, 112.
Chartres—Cath., 137, 144, 145, 159, 173, Fig. 68.
Chateauneuf—Ch., 29 note 87.
Chatel-Montagne—Ch., 26, 29 note 87, and note 89.
Chatillon-sur-Seine—Ch., 36.
Chaumont—Ch., 104 note 279.
Chauvigny—N.D., 114.
—— Saint Pierre, 25.
Chelles—Ch. 127 note 7.
Chester—Cath., 84.
Chevets—110, 131 et seq.
—— square, 108.
—— radiating-ribbed, 132, 137.
—— broken-ribbed, 138.
—— buttressing-ribbed, 141.
—— diagonal-ribbed, 144.
—— with added ribs, 146.
—— impost level of vault ribs, 153.
—— shape of cells in, 154.
—— with pierced panels, 156.
Chichester—Cath., 65 note 184.
Clermont-Ferrand—Cath., 114, 158.
—— Notre Dame-du-Port, 27, also note 80, 106, 115, Fig. 49, 50.
Cléry—Ch., 178 note 42.
—— Chapel of Saint Jacques, 95, Fig. 42.
Cluny—Ab. Ch., 31, 33, 40, 105.
—— N.D., 121.
Cologne—Cath., 122 note 50.
—— Saint Mary of the Capitol, 110.
—— Saint Maurice, 42 note 136, 79, 80.
Como—Sant’ Abondio, 126, 127 note 7.
—— San Fedele, 161.
Constantinople—SS. Sergius and Bacchus, 117, 128.
Corneto-Tarquinia—Ch., 69, 127.
Coutances—Cath., 101, 119, 172, 174, also note 39, 180, Figs. 59, 82.
Creully—Ch., 43, 66.
Crossing—vaults of, 113 et seq.
—— towers over, 114 et seq.
—— rib-vaulted, 122.
Culhat—Ch., 20 note 46, 22.
Cunault—Ch., 24, 125.
Cyprus, 5 note 15.

Dijon—Notre Dame, 69 note 191.
—— Saint Bénigne, 161.
Dinan—Cath., 138.
Dol—Cath., 122 note 53.
Domes—on spherical pendentives, 1, 2.
—— on squinches, 2, 8, 9.
—— comparison of Perigord and Byzantine, 3.
—— exterior roofing of, in Perigord, 5.
—— centering of, in Perigord, 7.
—— gored, 9.
—— ribbed, 115.
—— lobed, 116.
—— “Gothic,” or Double Chevets, 117.
Domont—Ch., 78 note 217, 184.
Dorat, Le—Ch., 114, 115.
Durham—Cath., 69 note 102, 75, 76, 77, 78, 85, 99, Fig. 33.

Eastern Terminations—Exceptional, 182.
Ely—Cath., 84, 87.
Épinal—Ch., 108 note 7.
l’Épine—in Notre Dame-de-l’Épine.
Erfurt—Frankiskanerkirche, 72 note 201.
Essen—Ch., 26.
Étampes—N.D., 144.
—— Saint Gilles, 122 note 53.
—— Saint Martin, 127 note 7, 176, 178, 184.
Evreux—Cath., 119.
Exeter—Cath., 85, 86, 89, 106, Fig. 37.

Farges—Ch., 33 note 98.
Ferté-Bernard—Chapelle de la Vièrge, 95.
Firouz Abad—palace, 2.
Florence—Baptistery, 110.
—— Cath. S. M. del Fiore, 57, 58, 127 note 5.
—— S. M. Novella, 57, 58, 122 note 50
Pazzi Chapel, 117, Fig. 57.
Fontenay—Ch., 36.
Fontevrault—Ch., 4 note 12, 6 note 21.
Fontfroide—Ch., 20 note 43.
Fontgombault—Ch., 30 note 91.
Forest—l’Abbaye—Ch., 129 note 14.
Fortunatus—114.
Fossanova—Ab. Ch., 122.
Fountains Abbey—37.
Freiberg-in-Sachsen—Cath., 94 note 263, 104 note 279.
Freiburg—Cath., 94, 150, 181, Figs. 72, 88.
Fréjus—Cath., 48.
Fulda—Saint Michael, 26.

Gebweiler Saint Legerius, 48.
Gelnhausen—Saint Marien, 119 note 44.
Gensac—Ch., 6 note 21, 7 note 22.
Germigny-des-Prés—Ch., 2, 16 note 35.
Gerona—Cath., 81 note 221.
Gloucester—Cath., 43, 82, 87, 99, 161.
Lady Chapel, 87.
Cloister, 91, 92, Fig. 40.
Gmund—Ch. of Holy Cross, 94, 104.
Gonesse—Ch., 172 note 36.
Gourdon—Ch., 39 note 121.
Gregory of Tours—114.
Grenoble—Saint Laurent, 16 note 35, 129.
Güben—Ch., 181.
Guebviller—Ch., 42 note 136.

Hauterive—Ch., 36.
Heidelberg—Old Cath., 180.
—— Peterskirche, 104 note 279.
Hereford—Cath., 85, 89.
Hieroskypos—Ch., 5 note 15, 8 note 25.

Ile-de-France—Transitional Chs. of, 66, 67.
Issoire—Saint Paul, 20 note 46, 106 note 4.
—— Saint Austremoine, 27 note 82.
Ivrea—Cath., 158, 159.

Javarzay—Ch., 37.
Jedburgh—Ab. Ch., 105.
Jerusalem—Saint Anne, 40.
Jouaignes—Chapel, 34 note 101.
Jumèges—Ab. Ch., 26 note 76, 43, 121.
Saint Pierre, 26.

Kaschau—Ch., 182 note 50.
Keisheim—Ch., 180 note 44.
Kirkstall—Ab. Ch., 112.
Kolin—Ch. 180.

Laach—Ch., 41 notes 131, 132.
Laffaux—Ch., 127 note 7.
Lagny—Ch., 174 note 39, 182 note 50.
Landshut—Saint Martin, 104 note 279.
Lanfranc—59.
Langres—Cath., 168, 169, Fig. 80.
Lantern Towers—114.
—— with Eight-Part Vaults, 120.
Laon—Cath., 69 note 191, 103, 112, 121, 184, Figs. 48, 54, 60.
—— Church of the templars, 116. Fig. 55.
Bishops Palace, Chapel of, 133, Fig. 62.
Largny—Ch., 132.
Larnaca—Ch., 5 note 15.
Laval—La Trinité, 48 note 160.
Lérins—La Trinité, 110 note 12.
—— Saint Honorat, 17 note 38, 19.
Lescar—Cath., 36.
Lessay—Ch., 43, 77.
Lesterps—Ch., 22.
Lichfield—Cath., 84, also note 232, 93, 101.
Lighting—of tunnel-vaulted churches, 18.
—— in naves with square bays, 57.
—— of half domed apses, 124.
Limburg—Cath., 71, 108.
Limoges—Saint Martial, 27 note 81, 29 note 87.
Lincoln—Cath., 65 note 184, 69, also note 192, 72 note 200, 82, 83, 84, 101, note 276, Figs. 35, 36.
Linköping—Cath., 104 note 279.