Fresh water fishes of Patagonia and an examination of the archiplata-archelenis theory This book, "Fresh water fishes of Patagonia and an examination of the archiplata-archelenis theory", by Carl H. Eigenmann, is a replication of a book originally published before 1909. 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.