Note 91 — J. E. MARR, M.A., F.R.S. (continued 4)
Reading edition
Consult Kidston, R., "On the Various Divisions of the Carboniferous Rocks as determined by their Fossil Flora," Proc. Roy. Phys. Soc. Edin., vol. XII. p. 183.
Reading edition
Consult Kidston, R., "On the Various Divisions of the Carboniferous Rocks as determined by their Fossil Flora," Proc. Roy. Phys. Soc. Edin., vol. XII. p. 183.