Book Iv.—Etruscan, Roman, Parthian and Sassanian Architecture.

I. ETRURIA—Historical notice—Temples—Rock-cut tombs—Tombs at 289 Castel d’Asso—Tumuli—The arch

II. ROME—INTRODUCTION 302

III. ROMAN ARCHITECTURE—Origin of style—The arch—Orders: Doric, 305 Ionic, Corinthian, Composite—Temples—The Pantheon—Roman Temple at Athens—at Baalbec

IV. BASILICAS, THEATRES AND BATHS—Basilicas of Trajan and 327 Maxentius—Provincial basilicas—Theatre at Orange—Colosseum— Provincial amphitheatres—Baths of Diocletian

V. TRIUMPHAL ARCHES, TOMBS, AND OTHER BUILDINGS—Arches at Rome; in 347 France—Arches at Trèves—Pillars of Victory—Tombs—Minerva Medica— Provincial tombs—Eastern tombs—Domestic Architecture—Spalato— Pompeii—Bridges—Aqueducts

VI. PARTHIAN AND SASSANIAN ARCHITECTURE—Historical notice—Palaces 389 of Al Hadhr and Diarbekr—Domes—Serbistan—Firouzabad—Tâk Kesra— Palaces at Mashita—Rabbath Ammon, etc.