Excerpt from The Origin of the Chemical Elements and of Cell Life Hugo De Vries, Professor of Botany in the University of Amsterdam, says in his work, "Species

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced