When we come to consider specific characters, we see that a difference exists—that, in short, the species and even genera are no longer represented upon earth. More than this, it will be found that the earliest species comparatively soon gave place to others, and that they are not represented even in the next higher group of rocks.


p. 60 - Vestiges of the Natural History of Creation (1844)


When we come to consider specific characters, we see that a difference exists—that, in short, the species and even genera are no longer represented ...

When we come to consider specific characters, we see that a difference exists—that, in short, the species and even genera are no longer represented ...

When we come to consider specific characters, we see that a difference exists—that, in short, the species and even genera are no longer represented ...

When we come to consider specific characters, we see that a difference exists—that, in short, the species and even genera are no longer represented ...