The Principles of Stratigraphical GeologyNote 132 — J. E. MARR, M.A., F.R.S. (continued 5)Reading editionGoodchild, J. G., Proc. Roy. Soc. Edinburgh, vol. XIII. p. 259.◇Copy noteReturn to J. E. MARR, M.A., F.R.S. (continued 5)