The Formation of Vegetable Mould Through the Action of Worms With Observations on Their Habits
Charles Darwin
The Formation of Vegetable Mould Through the Action of Worms With Observations on Their Habits
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English
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THE FORMATION OF VEGETABLE MOULD THROUGH THE ACTION OF WORMS WITH OBSERVATIONS ON THEIR HABITS.
CONTENTS.
INTRODUCTION.
CHAPTER I. HABITS OF WORMS.
CHAPTER II. HABITS OF WORMS—continued.
CHAPTER III. THE AMOUNT OF FINE EARTH BROUGHT UP BY WORMS TO THE SURFACE.
CHAPTER IV. THE PART WHICH WORMS HAVE PLAYED IN THE BURIAL OF ANCIENT BUILDINGS.
Measurements by Dr. H. Johnson of the thickness of the vegetable mould over the Roman ruins at Wroxeter.
CHAPTER V. THE ACTION OF WORMS IN THE DENUDATION OF THE LAND.
CHAPTER VI. THE DENUDATION OF THE LAND—continued.
CHAPTER VII. CONCLUSION.
FOOTNOTES.
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