Tuscan order A plain astragal or taenia ringed the column beneath its plain cap. Palladio agreed in essence with Serlio: "The Tuscan, being rough, is rarely used above ground except in one-storey buildings like villa barns or in huge structures like Amphitheatres and the like which, having many orders, can take this one in place of the Doric, under the Ionic." Unlike the other authors Palladio found Roman precedents, of which he named the arena of Verona and the Pula Arena, both of which, James Ackerman points out, are arcuated buildings that did not present columns and entablatures. A striking feature is
Simon Bosboom after the dismissal of Willem de Keyser, and in 1657, the year of Van Campen's death, Bosboom was promoted to city architect. Just as Hubertus Quellinus had done for the city hall in 1665, Bosboom published a small instructional booklet on architecture with engravings after Vincenzo Scamozzi entitled "Cort onderwys van de Vyf Colommen"; or "Short instruction on the five columns (Doric, Ionic, Corinthian, Tuscan, Composite)". His book earned him an honorary place in Cornelis de Bie's book of artists. He wrote that he helped Jacob van Campen and Artus Quellinus with decorations for the City Hall of Amsterdam, built