Untersuchungen zur Erforschung der genealogischen Grundlage des crustaceen-Systems This book, "Untersuchungen zur Erforschung der genealogischen Grundlage des crustaceen-Systems", by Carl Claus, is a replication of a book originally published before 1876. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.