ovus), 171
" at Segovia, 171
" at Tarragona, 171

Arch at Autun (Porte d'Arroux), 172
" Jerusalem (Golden Gate), 220
" Rome (of Constantine), 172
" " (of the Goldsmiths), 173
" " (of Sept. Severus), 172
" " (of Titus), 172
" Treves (Porta Nigra), 172

Asoka, 65

Baalbek, ruins at, 149

Basilica at Rome (Constantiniana), 155
" " (Emilia), 154
" " (Julia), 155
" " (Portia), 154
" " (Sempronia), 155
" " (Ulpia), 155
" Treves, 155

Basilica-church at Florence (S. Miniato), 209
" " Ravenna (S. Apollinare in Classe), 206, 209
" " Rome (S. Agnese), 201
" " Rome (S. Clemente), 199
" " Rome (S. Paul without the walls), 205
" " Rome (S. Pietro), 201

Baths of Agrippa, 162
" Caracalla, 162
" Diocletian, 164, 191

Bharhut, 71

Birs-i-Nimrud, 45

Bridge over the Danube (Trajan's), 170
" Tagus (Hadrian's), 170
" Tiber (Pons Sublicius), 170

Campo Santo, Pisa, 209

Castle of S. Angelo, 174

Cathedral at Canterbury, 233
" Durham, 234
" Exeter, 234
" Monreale, 249
" Peterborough, 234, 235
" Piacenza, 224
" Pisa, 209
" Rochester, 234
" Rome (S. Peter's), 205
" Venice (S. Mark's), 217
" Winchester, 234

Chaitya, 67

Chapel in Tower of London, 232, 233

Chehil Minar, 56

Choragic Monument of Lysicrates, 112

Church at Aix-la-Chapelle, 225
" Caen (Abb. aux Hommes), 230
" " (Abb. aux Dames), 231
" Constantinople (S. Sophia), 211
" Earl's Barton, 224
" Milan (S. Ambrogio), 224
" Northampton (S. Peter's), 234
" Paris (Madeleine), 185
" Perigueux (S. Front), 218
" Ravenna (S. Vitale), 208, 215
" Rome (S. Maria degli Angeli), 164
" " (S. Maria ad Martyres), 166
" Rome (S. Stefano Rot.), 208
" Toulouse (S. Sernin), 227
" Turmanin, Syria, 221
" Verona (S. Zenone), 224

Circus Maximus, Rome, 143, 161

Cloaca Maxima, Rome, 141

Cnidus, Lion tomb at, 110

Colosseum, 158

Column