6 Pages in Charles Darwin's Library associated with "fauna - Entozoa"

Elements of physiology.
By: Müller, Johannes. - Baly, William,
Publication info: London :Taylor & Walton,1838-1842.
Volume: v.1
Pages: Page 16 Page 17 Page 31 Page 1424 Page 1454
Principles of comparative physiology.
By: Carpenter, William Benjamin,
Publication info: London :John Churchill,1854.
Pages: Page 60