The Ancient Volcanoes of Great Britain, Volume 2 (of 2)Note 160 — Chapter XXXIV · THE SYSTEM OF DYKES IN THE TERTIARY VOLCANIC SERIESReading editionTrans. Roy. Soc. Edin. xiv. (1840), p. 677.◇Copy noteReturn to CHAPTER XXXIV THE SYSTEM OF DYKES IN THE TERTIARY VOLCANIC SERIES