A number of the reports included in this volume represent continuations of the work of subcommittees of the Council. The most voluminous of these concerns the use of steroid hormones in the treatment of advanced mammary cancer. The report definitely outlines the status of this therapy but states that "the best curative measure for mammary carcinoma available at present is early diagnosis and radical removal of the tumor and secondary tissue." Related to this is the status report on the much discussed "krebiozen," which analyzes the case histories of 100 patients and finds evidence of "temporary improvement" in only 2. The report definitely brands "krebiozen" as a "secret remedy" and thus may be considered the only "condemnatory" report in this volume.
The two careful and informative studies on benzene hexachloride and chlorophenothane (DDT) represent a continuation of the work of the Council's Committee on Pesticides, a brief statement on the