537 pp. French text. Brown leather spines and corners over paper-covered boards, gilt titles and rules. A work speculating on the level of certainty in the practice of medicine, which also includes a chapter on the guillotine (just 15 years after the stormiing of the Bastille). Includes: Du Degre de Certitude de la Medecine; Observations sur les Hopitaux; Journal de la maladie et de la mort de Mirabeau l'aine; Note sur le Supplice de la Guillotine; Rapport fait au Conseil des Cinq-Cents, sur l'Organisation des Ecoles de Medecine; Quelques Principes et quelques Vues sur les Secours publics. Schopenhauer was a strong proponent of Cabanis's work. Cabanis was a freemason and early advocate of evolutionary theory whose writings influenced Lamarck.