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

Philosophie zoologique.
By: Lamarck, Jean-Baptiste Pierre Antoine de Monet de,
Publication info: Paris :Duminil-Lesueur,1830 (1830 re-issue of the 1809 edition).
Pages: Page 50 Page 50 Page 51 Page 51
Principles of comparative physiology.
By: Carpenter, William Benjamin,
Publication info: London :John Churchill,1854.
Pages: Page 322 End Slip 2, side 1