The Ancient Volcanoes of Great Britain, Volume 2 (of 2)Note 403 — Chapter XLVII · THE ACID BOSSES OF MULL, SMALL ISLES, ST. KILDA, ARRAN AND THE NORTH-EAST OF IRELANDReading editionQuart. Journ. Geol. Soc. xxvii. (1871) p. 294.◇Copy noteReturn to CHAPTER XLVII THE ACID BOSSES OF MULL, SMALL ISLES, ST. KILDA, ARRAN AND THE NORTH-EAST OF IRELAND