Church of San Carlo nel Corso, 13.—Gesù e Maria, 13.—Palazzo Rondadini, 13.—Mausoleum of Augustus, 13.—Ripetta, 13.—Palazzo Borghese, 14.—Church of Sant Agostino, 14.—San Luigi de’ Francesi, 14.—Palazzo Madama, 14.—Piazza Navona, 15.—Portico of the church of San Pantaleo, 15.—Palazzo Braschi, 15.—Pasquin, 16.—Church of Santa Maria dell’ Anima, 16.—Church of Santa Maria della Pace, 16.—Cloisters, 16.—Chiesa Nuova, 17.—Oratorio of San Filippo Neri, 17.—San Giovanni de’ Fiorentini, 17.—Bridge of Sant Angelo, 17.—Mausoleum of Hadrian, 17.—Hospital of Spirito Santo, 18.—Porta di Spirito Santo, 18.—Church of Sant Onofrio, 18.—Palazzo Corsini, 19.—Fontana di Ponte Sisto, 20.—Church of the Trinità de Pellegrini, 20.—Monte di Pietà, 20.—Botanic garden, 20.—Fontana Paolina, 20.—San Pietro in Montorio, 20.—Tempietto of Bramante, 21.—Santa Cecilia, 21.—Isola Tiberina, 22.—Temple of Æsculapius, 22.—Palazzo Mattei, 22.—San Carlo a’ Catinari, 22.—Santa Maria sopra Minerva, 22.—Statue of our Saviour, 23.—Porta del Popolo, 23.—Walls, 23.—Muro torto, 23.—Porta Pia, 23.—Prætorian camp, 24.—Porta San Lorenzo, 24.—Porta Maggiore, 24.—Aqueducts, 24.—Anfiteatro castrense, 25.—Porta San Giovanni, 25.—Porta Latina, 25.—Porta San Sebastiano, 25.—Porta San Paolo, 26. LETTER XXXIII. NEIGHBOURHOOD OF ROME. Scenery about Rome, 27.—Casino of Raphael, 27.—Villa Borghese, 28.—Villa Poniatowski, 28.—Villa Giulia, 28.—Acqua acetosa, 29.—Monument to St. Andrew, 29.—Ponte Molle, 29.—Torre di Quinto, 29.—Tomb of Ovid, 30.—Villa Madama, 30.—Monte Mario, 30.—Valle d’Inferno, 30.—Porta Angelica, 31.—Villa Albani, 31.—Ponte Salario, 31.—Ponte Lamentano, 32.—Mons Sacer, 32.—Aqueducts, 32.—Torre Pignattara, 35.—Degradation of Roman architecture, 36.—Ruins composed of reticulated work, 36.—Torre degli Schiavi, 37. LETTER XXXIV. NEIGHBOURHOOD OF ROME. Baths of Caracalla, 39.—Great Halls, 39.—Tomb of the Scipios, 40.—Arch of Drusus, 41.—Sepulchre of Mars, 41.—Church of Domine quo vadis, 42.—Church of St. Sebastian, 42.—Catacombs, 42.—Spoliarium, 43.—Very ancient sepulchre, 43.—Circus of Caracalla, 43.—Temple of Honour and Virtue, 44.—Temple of the Tempest, 44.—Temple of Bacchus at the Caffarelli, 45.—Grotto of Egeria, 45.—Temple of Rediculus, 46.—Sepulchre of Cecilia Metella, 47.—Appian Way, 48.—Roma Vecchia, 48.—Roman roads, 48.—Roman Temples, 49.—Tre Fontane, 49.—Villa Pamfili, 49.—Workshops (Canova), 50.—Thorwaldson, 50.—Fragments of Veii, 51. LETTER XXXV. TIVOLI.