CONTENTS. XV Caesar's Conquest of Gaul—His Ethnographical and Geographical Notices—Transference to Towns of Names of Tribes—Caesar's Descrip- tion of the Country of the Veneti—His Expeditions into Britain— His Information about it—Acquaintance of the Romans with Germany— Campaigns of Drusus and of Tiberius—Conquest of Rhaetia, Vindelicia, and Noricum—Of Pannonia—Importance to Geography of the Roman Roads—Careful Measurement of Distances—The Wall-map of Agrippa— Itineraries derived from it.......ai6—237 CHAPTER XII. STRABO. Strabo and the Augustan Age—His Geography a Summary of the Knowledge then existing—Strabo's Life, Teachers, and Places of Residence—Extent of his Travels—Almost Limited to Asia Minor, Egypt, and Central Italy—Advantages which he Derived from them—His Philosophical Opinions—Stoic Tenets—His Political Opinions—Imperial Sympathies— Strabo's Historical Work—Date of Composition of his Geography—Place where it was written—Readers for whom it was intended—Its Compre- hensiveness—Subjects Incidentally introduced—Predominance of His- torical Geography—Influence of a Land on its Inhabitants—Artistic Treatment of the Subject—Methods of lightening the Narrative—Neglect of Strabo's Work in Antiquity—Admiration of it in the Middle Ages- Modern Estimates—Limits of Strabo's Survey, in Europe, Asia, and Africa—Contents of the Geography—The Introduction—Remarks on Mathematical, Physical, and Historical Geography—Spain, Gaul, and Britain—Italy and Sicily—Northern and Eastern Europe—Greece- Veneration for Homer as a Geographical Authority—Northern and Central Asia—Asia Minor—Southern Asia—Egypt and the Rest of Africa 23$—260 CHAPTER XIII. GEOGRAPHY FROM THE DEATH OF AUGUSTUS TO THAT OF TRAJAN (14—117 A.D.). Roman Writers on Geography—Pomponius Mela—Pliny—His ffistoria Naturalis—\\& Deficiencies—Its Statistical Geography—Notices of Places in Asia—The Jordan—The Dead Sea—The Essenes—Palmyra—The Tigris—Its Upper Course—Strabo's Account—The Lake of Van— Criticisms of the Ancient Accounts—Strabo's and Pliny's Stories—Disap- pearance of the Tigris—Common Source of the Tigris and Euphrates