Note 67 — J. E. MARR, M.A., F.R.S. (continued 3)
Reading edition
The term Festiniog has been used for the whole Lingula Flag series as well as for the middle stage. It will be well to use it with reference to the stage only.
Reading edition
The term Festiniog has been used for the whole Lingula Flag series as well as for the middle stage. It will be well to use it with reference to the stage only.