Catalog entry: Exfoliation of the os femoris about eight months after amputation. It is eight inches in length, thick in the centre, but thin towards the edges, comprising for the most part the anterior half, but at the very lower end the entire calibre of the bone. Amputation performed from injury the patient received during the action between the Constitution and the Java. Exfoliation from femur eight months after an amputation following an injury received in the action between the Constitution and the Java.