PLAN OF THE ATRIUM VESTÆ, 53 PLAN OF THE NORTH SIDE OF THE SACRA VIA, 57 PLAN OF THE HOUSE OF CÆSAR AND PORTICO OF PEARL-DEALERS, 61 PLAN OF THE PALATINE HILL, AND PALACE OF THE CÆSARS, 68 PLAN OF THE PALACE OF DOMITIAN, 80 PLAN OF THE HOUSE OF GERMANICUS, 81 PLAN OF THE BASILICA ON THE PALATINE, 82 ARCH OF TITUS, BEFORE RECENT EXCAVATIONS, 87 BAS-RELIEF ON THE ARCH OF TITUS, 88 ARCH OF TITUS, WITH THE META SUDANS, AND BASILICÆ OF THE FORUM OF CUPID, 90 ARCH OF CONSTANTINE, 93 THE COLOSSEUM, 97 EXCAVATIONS ON THE ARENA OF COLOSSEUM, 99 SECTION OF SEATS AND ARCHES OF THE COLOSSEUM, 102 S. PETER'S AND THE VATICAN, 107 INTERIOR OF S. PETER'S, 111 THE FARNESE PALACE, 133 THE PAULINE FOUNTAIN, 139 THE PANTHEON, 151 INTERIOR OF THE PANTHEON, 153 BATHS OF AGRIPPA, 157 VIEW OF THE CAPITOL, 165 TEMPLE OF JUPITER CAPITOLINUS, 167 TARPEIAN ROCK, 168 PLAN OF THE PALAZZO DEI CONSERVATORI, 176 ROUND TEMPLE OF HERCULES AND TEMPLE OF PATRICIAN CHASTITY, 203 FOUNTAIN OF TREVI, 215 PLAN OF THE FORUM OF TRAJAN, 219 TRAJAN'S FORUM, 221 BATHS OF HADRIAN AND GOLDEN HOUSE OF NERO, 225 THE SCALA SANTA, 242 BASILICA OF S. MARIA MAGGIORE, 257 BATHS OF CARACALLA, 277 CIRCUS OF MAXENTIUS, 295 TOMB OF CECILIA METELLA, 297 MAP OF THE ROMAN CAMPAGNA, 300 PLAN OF TIVOLI, 316 GROTTO OF THE SIBYL, TIVOLI, 319 TEMPLE OF VESTA AND GROTTO OF NEPTUNE, 320 PLAN OF HADRIAN'S VILLA AT TIVOLI, 322 VILLA OF HADRIAN, 323 PORTA MAGGIORE, 325 CLAUDIAN AQUEDUCT, 329 SKETCH PLAN OF THE EXCAVATIONS AT OSTIA, 345 CONTENTS. FIRST IMPRESSIONS.