From Darwin's unpublished notebooks
By: Paul H. Barrett.
Contributors: Barrett, Paul H.
Publisher: s.n.
Published: 1960
Place of publication: [London?
Language: eng
Number of pages: 406
Subjects: Transmutation of animals; Transmutation of plants; Variation (Biology)
Work titles: Notebooks on transmutation of species.
Notes: Caption title.

"Considerable extracts from the four notebooks [B-E]." - Freeman 1575.

Photocopy from: The Centennial review.  East Lansing, Mich., 1959. v. 3.