First edition of the thesis presented by Paul Bert to the Faculty of Sciences in Paris in fulfilment of the requirements for the degree of Doctor of Natural Sciences.
Illustrated with two lithographed plates at the end of the volume.
Some occasional foxing.
Contemporary half red morocco-grained shagreen binding, smooth spine decorated with gilt floral tools, marbled paper boards, marbled endpapers and pastedowns, original wrappers preserved (rear cover restored with an adhesive patch), modern binding.
Rare biological thesis by Paul Bert (1833–1886), who was a physician, physiologist, educator, and above all a committed republican politician.
Inscribed and signed by Paul Bert at the head of the title page, addressed to Dr. Comol.