The Formation of Vegetable Mould Through the Action of Worms
Charles Darwin
Public domain text from Project Gutenberg.
[Picture: Book cover]
THE FORMATION OF
VEGETABLE MOULD
THROUGH THE ACTION OF WORMS
WITH OBSERVATIONS ON THEIR HABITS.
BY CHARLES DARWIN, LL.D., F.R.S.
THIRTEENTH THOUSAND
WITH ILLUSTRATIONS
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LONDON
JOHN MURRAY, ALBEMARLE STREET
1904
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PRINTED BY
WILLIAM CLOWES AND SONS, LIMITED,
LONDON AND BECCLES.
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CONTENTS.
1