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A summary of previous research and new hypotheses.

An inventory of all travertine objects in Ostia was made in 1999 by L.B. van der Meer (University of Leiden) with a team of students. This led to two publications and one article as spin-off:

I became interested in a subset of the material, namely the small travertine cornerstones and centralized stones that are found in many jambs of doors and porticos. Dr. L.B. van der Meer gave me access to the original descriptions of the travertine objects, made in 1999, and to the database in which the results were stored. It became clear that a second, short campaign was necessary to verify the precise position of many stones, for further study of details (such as holes with metal that are present in many stones) and for observations of the context. In September 2009 I spent a few days in Ostia with my son Simon Bakker. We improved the descriptions from 1999 and took photographs of all stones.

In this section of the Ostia website I will discuss the previous research, describe the small cornerstones and centralized stones, and develop new hypotheses about their function. Depending on the outcome a third campaign may take place in the future, to check specific issues.

Jan Theo Bakker

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Placeholder for preliminary hypotheses - to be neglected
Summary of previous research - overview
Summary of previous research - large cornerstones
Summary of previous research - doorframes and monumental entrances
The cornerstones and centralized stones revisited
Caseggiato I,I,2
Caseggiato del Pantomimo Apolausto and Caseggiato del Balcone Ligneo (I,II,2.6)
Caseggiato del Termopolio (I,II,5)
Caseggiato dei Doli (I,IV,5)
Portico est di Pio IX e loggia (I,V,2)
Portico ovest di Pio IX e loggia (I,VI,1)
Caseggiato dei Misuratori del Grano (I,VII,1-2)
Piccolo Mercato (I,VIII,1)
Horrea Epagathiana et Epaphroditiana (I,VIII,3)
Caseggiato I,VIII,5
Caseggiato del Larario (I,IX,3)
Caseggiato I,XII,5
Caseggiato I,XII,7
Caseggiato I,XII,9
Caseggiato I,XII,10
Caseggiato I,XIII,5
Caseggiato del Mosaico del Porto (I,XIV,2)
Terme del Bagnino Buticosus (I,XIV,8)
Horrea dei Mensores (I,XIX,4)
Horrea I,XX,1
Portico di Nettuno (II,IV,1)
Basilica Cristiana (III,I,4)
Tempio dei Fabri Navales (III,II,1-2)
Domus sul Decumano (III,II,3)
Horrea III,II,6
Domus Fulminata (III,VII,3-4) and Casa della Domus Fulminata (III,VII,5)
Case a Giardino (III,IX)
Caseggiato degli Aurighi (III,X,1)
Caseggiato III,XVI,6
Caseggiato di Bacco e Arianna (III,XVII,5)
Portico e Caseggiato dell'Ercole (IV,II,2)
Schola del Traiano (IV,V,10)
Caseggiato delle Taberne Finestrate (IV,V,18)
Loggia di Cartilio Poplicola (IV,IX,1)
Terme del Filosofo (V,II,6)
Caseggiato V,II,10
Caseggiato V,II,11
Caseggiato V,II,12
Caseggiato del Pozzo (V,II,13)
Domus del Pozzo (V,III,3)
Caseggiato V,III,5
Edificio V,XI,3
Portico degli Archi Trionfali (V,XI,7)
Necropoli della Porta Romana, A6
Portus, Porticus of Claudius
Portus, Grandi Magazzini di Settimio Severo


  • I would like to thank Dott.ssa Anna Maria Moretti, Soprintendente ad interim, who gave permission for the new research in September 2009.