Rh-Hr BLOOD TYPES—PRESENT STATUS

Recently a third report on the subject of medicolegal applications of blood-grouping tests was published by the Committee on Medicolegal Problems.1This report reviewed the available information about the human blood groups and their heredity, from the point of view of their applications in medicolegal problems of disputed parentage. It also summarized the facts concerning the fundamental problem of Rh-Hr nomenclature and on the basis of the available evidence recommended that "unless and until some other convention can be agreed upon, the original Rh-Hr notations be kept as the standard and sole nomenclature for preparing approved medicolegal reports on Rh-Hr types." Soon after this report and recommendation appeared, a protest was published by 33 well-known workers in the field of blood-grouping,2but their protest offered no evidence in support of their position nor did it attempt to refute the evidence on which the American Medical Association report was