No conclusions can be drawn from this paper. It constitutes a highly personal picture of the problems involved in “The Toxemias of Pregnancy.” Some progress has been made in the subject in the twenty odd years that I have viewed it—much more in the last ten years than in all the time before—but it is still in a far from satisfactory state as proved by the persistence of its maternal and infant mortality rate. Further careful study is needed. Practically this should take the form first of an effort to approach it from a common point of view and with a common terminology, and second, group study should invariably be conducted by the closely knit cooperation and effort of obstetrician, internists especially interested in the cardiorenal aspects of the problem, and the pathologic, metabolic and endocrinologic laboratories.