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abortions according to months age at marriage alcohol amongst Average Weight birth mortality Bologna born alive Budapest cause Centenarians characters child columns Committee conception Congress countries criminals daily mean defective degenerate delivery Denmark duration effect eliminating the influence environment Eugenics Education Society eugenists Ewart fact families father favourable feeble-minded Females first-born foetuses frequency germ-plasm gestation greater heredity higher classes human species hygiene illegitimate births increase Index numbers individuals insane Italian Senators John Macdonnell less Major Darwin Males Malthusianism married maximum Mendelian menstruation Middlesbrough Miscarriages Mjoen month of birth mother mother's age multiple births Neo-Malthusianism Norway number of births number of children number of deaths offspring order of birth organisation paper parents Paris persons population Problems in Eugenics Prof race regard reproduction Saxe-Meiningen season of birth shew social society South Wales statistics sterilisation still-births still-born summer survival syphilis Table XXVIII Total venereal disease winter women