Note A — Front matter
Reading edition
Dana has recently proposed the term “Archæan,” on the ground that some of these rocks are as yet unfossiliferous but as the oldest known part of them contains fossils, there seems no need for this new name.
Reading edition
Dana has recently proposed the term “Archæan,” on the ground that some of these rocks are as yet unfossiliferous but as the oldest known part of them contains fossils, there seems no need for this new name.