The 28th 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.

Introduction; Chapter 1 Habits of Worms; Chapter 2 Habits of Worms - continued; Chapter 3 The Amount of Fine Earth brought up by Worms to the Surface; Chapter 4 The Part which Worms have Played in the Burial of Ancient Buildings; Chapter 5 The Action of Worms in the Denudation of the Land; Chapter 6 The Denudation of the Land - continued; Chapter 7 Conclusion;