2 Pages in Charles Darwin's Library associated with "fauna - Proteus anguinus"

Contributions to the natural history of the United States of North America
By: Agassiz, Louis,
Publication info: [s.n.], [s.n.], n.d
Pages: Page 15
Elements of physiology
By: Müller, Johannes, - Baly, William,
Publication info: London, Taylor & Walton, 1838-1842
Volume: v.2
Pages: Page 1071