Mind in animals / by Professor Ludwig Büchner ; Translated, with the author's permission, from the German of the third revised edition, by Annie Besant.

Licence: Public Domain Mark

Credit: Mind in animals / by Professor Ludwig Büchner ; Translated, with the author's permission, from the German of the third revised edition, by Annie Besant. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.