Report on the Actiniaria dredged by H. M. S. CHallenger during the years 1873-1876 This book, "Report on the Actiniaria dredged by H. M. S. CHallenger during the years 1873-1876", by Richard Hertwig, is a replication of a book originally published before 1882. 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.