69

ON SYMMETRY: IN TEMPLES AND IN THE HUMAN BODY 72

CLASSIFICATION OF TEMPLES 75

THE PROPORTIONS OF INTERCOLUMNIATIONS AND OF COLUMNS 78

THE FOUNDATIONS AND SUBSTRUCTURES OF TEMPLES 86

PROPORTIONS OF THE BASE, CAPITALS, AND ENTABLATURE IN THE
IONIC ORDER 90

BOOK IV

INTRODUCTION 101

THE ORIGINS OF THE THREE ORDERS, AND THE PROPORTIONS OF THE
CORINTHIAN CAPITAL 102

THE ORNAMENTS OF THE ORDERS 107

PROPORTIONS OF DORIC TEMPLES 109

THE CELLA AND PRONAOS 114

HOW THE TEMPLE SHOULD FACE 116

THE DOORWAYS OF TEMPLES 117

TUSCAN TEMPLES 120

CIRCULAR TEMPLES AND OTHER VARIETIES 122

ALTARS 125

BOOK V

INTRODUCTION 129

THE FORUM AND BASILICA 131

THE TREASURY, PRISON, AND SENATE HOUSE 137

THE THEATRE: ITS SITE, FOUNDATIONS, AND ACOUSTICS 137

HARMONICS 139

SOUNDING VESSELS IN THE THEATRE 143

PLAN OF THE THEATRE 146

GREEK THEATRES 151

ACOUSTICS OF THE SITE OF A THEATRE 153

COLONNADES AND WALKS 154

BATHS 157

THE PALAESTRA 159

HARBOURS, BREAKWATERS, AND SHIPYARDS 162

BOOK VI

INTRODUCTION 167

ON CLIMATE AS DETERMINING THE STYLE OF THE HOUSE 170

SYMMETRY, AND MODIFICAT