On the structures and distribution of the genera of the arciferous Anura This book, "On the structures and distribution of the genera of the arciferous Anura", by Edward Drinker Cope, is a replication of a book originally published before 1866. 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.