The Formation of Vegetable Mould
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
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