" On the formation of mould"
By: by Charles Darwin.
Publisher: s.n.
Published: 1838
Place of publication: [London
Language: eng
Number of pages: 576
Subjects: Humus; Earthworms; Soils
Notes: Caption title.

Abstract from paper read Nov. 1, 1837.

From: Proceedings of the Geological Society of London, v. 2, no. 52 (1837-1838)

Freeman 1648.