The Ancient Volcanoes of Great Britain, Volume 2 (of 2)Note 170 — Chapter XXXIV · THE SYSTEM OF DYKES IN THE TERTIARY VOLCANIC SERIESReading editionProc. Roy. Phys. Soc. Edin. v. (1880), p. 255.◇Copy noteReturn to CHAPTER XXXIV THE SYSTEM OF DYKES IN THE TERTIARY VOLCANIC SERIES