The Ancient Volcanoes of Great Britain, Volume 2 (of 2)Note 410 — Chapter XLVII · THE ACID BOSSES OF MULL, SMALL ISLES, ST. KILDA, ARRAN AND THE NORTH-EAST OF IRELANDReading editionQuart. Journ. Geol. Soc. vol. 1. (1894), p. 220.◇Copy noteReturn to CHAPTER XLVII THE ACID BOSSES OF MULL, SMALL ISLES, ST. KILDA, ARRAN AND THE NORTH-EAST OF IRELAND