Roman mosaic, Delphes

• The symmetry group of the tiling is 442 (p4).
• All the internal angles of the constituent polygons are a multiple of 45°.
• There are no non-regular reflective pairs and three tiles with no mirror image.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 109 polygons.

1. Met Museum of Art, 07.228.38 (Monastery of Apollo at Bawit, Egypt) of Not specific. Personal Communication, Information sent to the author, 21c. [pc] (500-600AD, -126--22AH)
2. Pl 180 (g) (Delphes) of Catherine Balmelle .... Le décor géométrique de la mosaïque romaine, Paris, Picard, 2002. ISBN 270840624. [balmelle] {2 vols}

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