Volume IV of IV. 126 pp. With engraved portrait frontispiece and 80 engraved plates with tissue guards, 52 hand-colored. 25.5x20 cm (10x8"), calf-backed marbled boards. First Edition.
Pierre Demours was an eighteenth century French physician, zoologist and translator. He specialized in the anatomy and diseases of the eye and became a successful oculist. He described the membrane that is situated between the corneal "proper substance" and the endothelial layer of the cornea.