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dON the composition and symmetry of sacred temples, and the measurements of the human body. The 'd' in the margin is a guide letter for a rubricator to paint a decorative initial 'D' for De. This chapter introduces the famous "Vitruvian Man" concept, where temple proportions mirror those of a well-shaped man. Chapter I.
On the five species of temples. Chapter II.
On foundations and columns, and their ornamentation and architraves, both in solid ground and in made ground. architraves: the horizontal beams (epistyles) that rest directly on the tops of columns made ground: "congestitiis," referring to soil that has been moved or piled up rather than being natural, solid bedrock Chapter III.
dON the three kinds of columns, their origins and inventions. These are the Doric, Ionic, and Corinthian orders. Chapter I.
On the ornaments of columns. Chapter II.
On the Doric order. Doric: the earliest and simplest of the classical Greek orders of architecture Chapter III.
On the distribution of the interior cellas and the pronaos. cella: the inner chamber of a temple housing the statue of the deity pronaos: the porch or vestibule at the front of a temple Chapter IIII.
On the positioning of temples according to the points of the compass. Chapter V.
On the proportions of doors and door-frames for sacred temples. Chapter VI.
On the Tuscan proportions of sacred temples. Tuscan: a simpler, sturdier architectural style native to Italy, distinct from the Greek orders Chapter VII.
On the arrangement of the altars of the Gods. Chapter VIII.
dON the forum. The forum was the public square and center of civic life in a Roman city. Chapter I.
On the arrangement of the treasury, prison, and senate house. Chapter II.
On the theater. Chapter III.
On harmony. Chapter IIII. On theater vessels. original: "uasis." These were bronze or ceramic jars placed under theater seats to improve acoustics through resonance. Chapter V.
On the construction of the theater. Chapter VI.
On the roof of the theater's portico. Chapter VII.
On the three kinds of scenes. Vitruvius defines three types of stage backdrops: tragic, comic, and satyric. Chapter VIII.
On the porticos behind the scene and the walkways. Chapter IX.
On the layout and parts of baths. Chapter X.
On the construction of the palaestra and the xysti. palaestra: a wrestling school or gymnasium xysti: covered porticos used by athletes for exercise during winter Chapter XI.
On harbors and structures to be made in the water. Chapter XII.