Note Note 4 — Chapter III
Reading edition
4.—These limestones contain a fauna of brachiopods and corals which, at present, seems to point to the series as intermediate between the older Silurian and the Upper Ordovician.
Reading edition
4.—These limestones contain a fauna of brachiopods and corals which, at present, seems to point to the series as intermediate between the older Silurian and the Upper Ordovician.