This publieation summarizes an initial unpublished report (1971) on diagnostie eriteria in dry bones. The relevant study was made in 22 medieal museums in Europe, England and Seotland between 1966 and 1969. About 670 dry bones were reeorded by over 2000 photographs. Emphasis is plaeed on ehanges for whieh diagnostie eriteria are proposed rather than on those for whieh diagnostie problems remain. The ehanges studied were maeroseopieal not mieroseopieal. This is not areport on the pathological ehanges in dry bones in medieal museums, but a statement on "Diagnostic eriteria of syphilis in dry...