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

Bibliographic Details

Main Author:	Darwin, Charles, 1809-1882
Other Authors:	Howard, Albert, Sir, 1873-1947
Format:	Book
Language:	English
Published:	London : Faber and Faber Limited, [1945]
Subjects:	Earthworms. Humus. Soils.