Report on the deep-sea Madreporaria of the Siboga-expedition This book, "Report on the deep-sea Madreporaria of the Siboga-expedition", by A. Alcock, is a replication of a book originally published before 1902. 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.