XXVI LIST OF ILLUSTRATIONS. No. Name. 71. Optical Corrections in Architecture. Correction of apparent proportions A Effect of color on proportions . . B The Parthenon : Inclination of columns C Method of drawing entasis of cokimn . u The Parthenon : Optical corrections to prevent appearance of sagging . . E, F, G Optical illusions caused by convex and concavecurves, when drawn in relation to parallel straight lines . . . H, J Authorities. Pennethorne. Viollet-le-Duc. Pennethorne. A. Choisy. 72. 72,- EARLY CHRISTIAN ARCHITECTURE. The Basilica Church of S. Clemente, Rome ...... Piioto. Early Christian Examples — I. S. Clemente, Rome, section . ,, ,, plan Tomb of Theodoric, Ravenna, elevation ,, ,, ,, section ,, ,, ,, plan ,, ,, „ half plans Tomb of Gal la Placidia, Ravenna, sections ., ,, ,, plan I! C II F, F, t; H, J K 74- 75- Basilica Church of S. Paul, Rome Early Christian Examples — II. Basilica Church of S. Peter, Rome, elevation ,, ,, ,, section II ,, p'an S. Maria Maggiore, Rome, plan S. Paul, Rome, plan S. Stefano Rotondo, Rome, elevation ,, ,, ., section ,, ., ., ))lan Baptistery of Constantine, Rome, plan „ ., elevation ,, .. Section 76. Basilica Church of S. Maria Maggiore, Rome 77. S. Stefano Rotondo, Rome 78. Early Christian Ornament. S. Paul, Rome, Corinthian column 8. Lorenzo, floor mosaic S. Paul, Rome, composite column Grado Cathedral, window S. Apollinare-in-Classe, Ravenna, sarco phagus ..... Window at Venice, eighth century S. Agnes, Rome, mosaic in apse . D'Agincourt. Photo. A B C I) E y Durand. F G H '- D'Agincourt. J L L Durand. -' Photo. Photo. A li C u D'Agincourt. Digby Wyatt D'Agincourt. - I Cattaneo. 1 F G ) D'Agincouit.
