Other problems (992-994).
992.
Why do we find the bones of great fishes and oysters and corals and
various other shells and sea-snails on the high summits of mountains
by the sea, just as we find them in low seas?
993.
You now have to prove that the shells cannot have originated if not
in salt water, almost all being of that sort; and that the shells in
Lombardy are at four levels, and thus it is everywhere, having been
made at various times. And they all occur in valleys that open
towards the seas.
|