282. -4- as nearly as possible with the particular parents, families, communities, states, races and nations, which produce the particular social inadequate offspring. The establishment of this principle should be one of the main objectives of applied eugenics. Its acceptance in both custom and law would cause persons who contemplate marriage, (and their families, communities, and states), to weigh carefully the matter of eugenical outcome. If this principle were firmly established it would doubtless become the most powerful force directed against the production of defectives and inadequates. In law the placing of responsibility should be reflected in our marriage statutes, and in our laws on immigration and deportation, and on segregation and sterilization. In our national outcome it should come to weigh heavily in the practice of mate selection. Eugenical responsibility should become an essential element of good citizenship and family loyalty. The definite placing of liability constitutes the basis for effective remedial measures.