Note 4 — Chapter I
Reading edition
From Charles Schuchert in The Evolution of the Earth and Its Inhabitants: Edited by R. S. Lull, New Haven, 1918, but with revisions by Professor Schuchert.
Reading edition
From Charles Schuchert in The Evolution of the Earth and Its Inhabitants: Edited by R. S. Lull, New Haven, 1918, but with revisions by Professor Schuchert.