The thirteenth volume in a 29-volume set which contain all Charles Darwin's published works. Darwin was one of the most influential figures of the 19th century. His work remains a central subject of study in the history of ideas, the history of science, zoology, botany, geology and evolution.

Chapter 1 Remarks on Bronn's List of Fossil Balaninae and Chthamalinae; Chapter 2 Synopsis et Index Systematicus; Chapter 3 Synopsis et Index Systematicus Specierum;