9 Pages in Charles Darwin's Library associated with "fauna - Ornithorhynchus"

Elements of physiology.
By: Müller, Johannes. - Baly, W.
Publication info: London :Taylor & Walton,1838-1842.
Volume: v.1
Pages: Page 395 Page 460 End Slip Page 1236
Elements of the comparative anatomy of the vertebrate animals.
By: Wagner, Rudolf. - Tulk, Alfred,
Publication info: London :Longman, Brown, Green & Longman,1845.
Pages: Page 4 End Slip
Introduction á la zoologie générale.
By: Milne-Edwards, Henri.
Publication info: Paris :Victor Masson,1851.
Pages: Page 126 Page 127
Principles of comparative physiology.
By: Carpenter, William Benjamin.
Publication info: London :John Churchill,1854.
Pages: Page 413