The Ancient Volcanoes of Great Britain, Volume 1 (of 2)Note 356 — Chapter XIX · VOLCANOES OF THE LOWER OLD RED SANDSTONE OF "LAKE CALEDONIA"Reading editionPalæontographical Society, vols. xxi. (1867) and xxiii. (1869).◇Copy noteReturn to CHAPTER XIX VOLCANOES OF THE LOWER OLD RED SANDSTONE OF "LAKE CALEDONIA"