The  formation of vegetable mould through the action of worms, with observations on their habits.
Series: The works of Charles Darwin ;; v. 28
Publisher: New York University Press
Published: 1989
Place of publication: New York
Language: eng
Number of pages: 145
Subjects: Earthworms; Humification
Other titles: Formation of vegetable mould by worms.
Notes: Includes bibliographical references and index.
Spine title: Formation of vegetable mould by worms.
Originally published: London : J. Murray, 1881.