This is presumably the Palazzo Barzizza-Torres at San Polo 1172, Nadali & Vianello (1999) Tav. 29, one of Ruskin’s paradigms for the definition of Byzantine style listed in Appendix 11 at Works, 10.453, and called by him there the Terraced House. See Sheet No. 37, and Notebook M p.62, Notebook M p.73 and Notebook M2 p.5 for references to this Sheet.
See also in Stones of Venice:
Works, 11.266 (facing) ‘Plate 5 Byzantine Bases (No 15) Upper Arcade Terraced House’.
Works, 11.279 (facing) ‘Plate 8 Byzantine Archivolts (No 2) Terraced House Entrance Door’.
Works, 11.283 (facing) ‘Plate 10 Cornices and Abaci (No 43), Large Capitals of Terraced House’.
[Version 0.05: May 2008]