Gloucester Cathedral. Plan of Choir Vaulting 215 389-390. _Fan_ Vaulting. Diagrams 218 391. King’s College, Cambridge. Plan of Vaulting 219 392. Gloucester Cathedral. View of Cloisters 220 393. Christ Church, Oxford. View of Staircase Ceiling 221 394. Do. do. Plan do. 221 395-397. Henry VII.’s Chapel, Westminster Abbey. Plans and Views of the Vaulting 223-224 398. Divinity Schools, Oxford. View of Fan-Vaulting 225 399. Henry VII.’s Chapel, Westminster Abbey. Plan of Vaulting of Apse 226 400. Pantheon, Rome. Plan 231 401. Do. do. Half Elevation and Half Section of Exterior and Interior 232 402. Temple of Minerva Medica. Plan and Section 235 403. Do. Jupiter, in Diocletian’s Palace at Spalatro 236 404. Tomb of St. Constantia, Rome. Plan 237 405. Baptistery at Ravenna. Plan and Section 239 406-411. Domical Developments. Diagrams 240-242 412. Tomb in the Via Nomentana, Rome. Section 243 413. Double Gate, Temple Area at Jerusalem. View of 243 414-419. Pendentive Domes. Diagrams 244-247 420. SS. Sergius and Bacchus, Constantinople. Plan 248 421. Do. do. Section 248 422-423. Ideal of the Plans of the Church of the Apostles and of St. Sophia, Constantinople. Diagrams 250 424. St. Sophia, Constantinople. Plan 251 425. Do. do. Longitudinal Section _To face_ 252 426. St. Irene, do. Section 256 427. St Sophia, do. do. 256 428. Church of the Holy Theotokos. Plan 257 429. Do. Section 257 430. St. Nicodemus, Athens. Plan and Section 258 431. St. Vitale, Ravenna. Plan 259 432. Do. Section 259 433. Church at Aix-la-Chapelle. Plan and Section 260 434. Baptistery at Florence. Plan 261 435. Do. do. Section 262 436. Do. at Parma. Plan 263 437. Do. do. Section 263 438. Cathedral at Sienna. Plan 264 439. St. Mark’s, Venice. Do. 265 440.