De adiectione eius, qua media adaugetur, uti in tertio volumine de ionicis est perscripta, ita et in his transferatur.
Concerning the entasis of the column by which it is increased in the middle, the method prescribed in the third book for the Ionic order is to be imitated in the case of the Doric order.
final_alignments\Vitruvius_Architecture_Book_4.json