3 Pages in Charles Darwin's Library associated with "fauna - Python"

Essay on the physiognomy of serpents.
By: Schlegel, Hermann.
Publication info: Edinburgh :Maclachlan, Stewart & Co.,1843.
Pages: Page 38
On the nature of limbs.
By: Owen, Richard,
Publication info: London :John Van Voorst,1849.
Pages: Page 96 Page 97