Robert Chambers Quote

A comparatively small variety of species is found in the older rocks, although of some particular ones the remains are very abundant;...Ascending to the next group of rocks, we find the traces of life become more abundant, the number of species extended.


Vestiges of the Natural History of Creation (1844), 60–1


A comparatively small variety of species is found in the older rocks, although of some particular ones the remains are very abundant;...Ascending to...

A comparatively small variety of species is found in the older rocks, although of some particular ones the remains are very abundant;...Ascending to...

A comparatively small variety of species is found in the older rocks, although of some particular ones the remains are very abundant;...Ascending to...

A comparatively small variety of species is found in the older rocks, although of some particular ones the remains are very abundant;...Ascending to...