There is a tendency in nature to the continued progression of certain classes of varieties further and further from the original type.


Contributions to the Theory of Natural Selection: A Series of Essays (ed. 1875)

Alfred Russel Wallace Quotes

There is a tendency in nature to the continued progression of certain classes of varieties further and further from the original type.

There is a tendency in nature to the continued progression of certain classes of varieties further and further from the original type.

There is a tendency in nature to the continued progression of certain classes of varieties further and further from the original type.

There is a tendency in nature to the continued progression of certain classes of varieties further and further from the original type.