contribution to the history of the fresh-water algae of North America This book, "A contribution to the history of the fresh-water algae of North America", by H C. 1841-1920 Wood, is a replication. 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.