formation of vegetable mould through the action of worms, with observations on their habits

Darwin, Charles

• Publisher: pubOne.info
• Year: 2010
• Topic: Literature
• eBook ISBN:
  9782819938873
• Subtopic: Classics
• Index: Literature

Table of contents

• THE FORMATION OF VEGETABLE MOULD THROUGH THE ACTION OF WORMS WITH OBSERVATIONS ON THEIR HABITS.
• 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.
• WEIGHT OF THE CASTINGS ACCUMULATED AT THE MOUTH OF A SINGLE BURROW.
• SUMMARY OF THE FOUR FOREGOING CASES.
• SUMMARY OF THE THICKNESS OF THE MOULD ACCUMULATED OVER OBJECTS LEFT STREWED ON THE SURFACE, IN THE COURSE OF TEN YEARS.
• 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.
• Copyright