Roman mosaic, Colchester

The large tiles in the Colchester version are ornamented which is replaced by colour in the graphic.

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains two squares.
• There are two non-regular reflective tiles and two tiles with no mirror image.
• The tiling does not satisfy the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 429 polygons.

1. Pl 393 (b) (Colchester, UK) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}
2. Plate 38 (Colchester, UK) of D S Neal. Roman mosaics in Britain, Society for the Promotion of Roman studies, 1981. ISBN 090776414. [neal] {Beautiful publication.}

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