Knopf, S. A.,127Kornhauser, A. W.,370Kuczynski, R. R.,260LLaban,64Laitinen, T.,54,55Lamarck, J. B.,37Lamarckian,35Lamarckian Theory,421Lamarckism,37Late marriages,218Latent,441Lauck, W. J.,308Laughlin, H. H.,341Law,441Laws, eugenic,196Laws of heredity,99Lead,57,63, Fig.7League to enforce peace,328Lechoco, F.,314Legal aspects,194Legislative aspects,194Leipzig,321Lethal chamber,184Lethal selection,145Levantines,299Lewin, G. R. L.,62Lim, B.,314Lincoln, A.,20,333Lincoln, T.,333Lithuanians,311Living wage,375Loeb, J.,379Lombroso, C.,179,182London,140,141Longevity,403Longfellow, H. E.,153Lorenz, O.,330Loscin and Lascin,314Louisiana,187,296Lunatics,193Lutz, F. E., Fig.16Luzon,315Lynn, Mass.,261MMacedonia,326MacNicholl, T. A.,55,56Madonnas,397Magyars,299,302,427Maine,172Maine, University of,47Mairet,44Maize,104Malaria,63Malayans,315Mall, Bean &,285Malone, Widow,204Malthus,117,134,145,151Mamelukes,284Management,221Manchester,57Mann, Mrs. Horace,153Marks, school,216Marriage laws,196Marriage rate,237Marshall, Gov. Thomas R.,191Martha's Vineyard,154Maryland,206Massachusetts,123,241,255,259,260,261,295,326Mass. Agricultural College,255Mass. State Prison,182Maternal impression,64Maternity,221Mayo, M. J.,286Mean American man,425Mechanism of inheritance,431Mecklin, J. M.,280,281,283Medical colleges,246Mediterranean,49,52Mediterranean race,280,357Melting pot,424,428Mendel, G.,427Mendelian units,105Mendelism,430,441Mendelism, essence of,427Mendelssohn, F. B.,96Mental capacities, inheritance of,84Mental measurements,75Mesocephalic heads,427Mestizos,314Methodist clergymen,270Methods of restriction,184Metis, Spanish,314Meyerbeer, G.,96Mice,45Michigan,172,194Middle Atlantic states,358Middletown, Conn.,192Military celibacy,320Miller, K.,388Mill, J. S.,165,174Milton, J.,21Minimum wage,374Minnesota,172,202Miscegenation,209,291Missouri,208,288Modesty,251Modification of the germ-plasm,25Mohammed,179Money,229Monogamy,222,387Moody, L.,153Moral equivalent of war,27Moral perverts,193Moravians,311Mores,222,441Morgan, A.,233Morgan, T. H.,4,100,101Mormon Church,273Moron,188Mothers' pensions,375,376Mother's age, influence of,347Motivated ethics,394Mountain states,358Mount Holyoke College,240,263Movement, eugenic,147Mozambique,129Mulatto,288Muller, H. J.,101, Fig.19Multiple factors,104Muncey, E. B.,433Murphey, H. D.,242Music,96Mutation,441Mutilations,38Myopia,13,59McDonald, A.,286NNam Family,143,168Naples,303Napoleon,18,179,321Nashville, Tenn.,261Nasmyth, G.,322National army,319National association for the advancement of colored people,294,295National committee for mental hygiene,172Native whites,238Natural inheritance,152Natural selection,148Nature,1Nearing, S.,261Nebraska,208Negroes,238,280Negro women,387Nevada,187,192,296New England,260,265,274,291,358,426New Hampshire,208New Haven, Conn.,261New Jersey,179,193,202New Mexico,187Newport News, Va.,288Newsholme A.,140,141New York,11,77,172,182,186,193,233,282,286New world,324Nice,45,47Nicolin,45Night-blindness,109,433Nilsson-Ehle, H.,104Nobility,118Nordic,426Nordic race,280,301,357Normal curve,441Normal school girls,262Norman conquest,338Normandy,338North Carolina,326North Dakota,193North European,426North Italians,427Northern United States,326Norway,137Norwich, Conn.,192Novikov, J.,322Nucleus,441Nurture,1OOberlin college,244Occupation, diseases of,62Odin, A.,258Ohio,172Ohio State University,244Oklahoma,202,208Oliver, T.,62Oregon,208Organization of industry,307Oriental immigration,313Origin of eugenics,147Orthodactyly,101,102,384,433Ovarian transplantation,419Ovize,44PPacific,358Paget parish, Bermuda,205Paine, J. H., Figs.16,21Paraguay,325Parents of great men,423Paris,140,155Parker, G.,233Parole,209Partial segregation,250Past performance,342Passing of the great race,426Pasteur, L.,333,334Patent, definition of,441Paternity,219Paul, C.,63Paupers,157,302Pearl, R.,47,48,99,423Pearson, K.,10,12,55,56,57,60,85,93,99,118,119,120,121,122,124,125,126,127,134,143,144,153,212,215,224,227,231,232,344,348,349,368,404,408,409,411,413,428,433Pedagogical celibacy,390Peerage,232Pennsylvania,167,187,202,208Pennsylvania Dutch,424Pennsylvania, feeble-minded citizens of,168Pennsylvania, University of,132Penrose, C. A.,203Perrin,372Percy, H., Fig.19Perry, S. J.,124Persians,321Perversion,248Pessimism,247Peters, I. L.,226Phi Beta Kappa,241,262Philanthropy,33Philippine islands,313Philippines,324Phillips, B. A.,287Phillips, J. C.,245,267,419Phthisis,126Physical care of the infant,278Physical culture,219Physico-chemical effects,38Piang, Datto,314Piebaldism,103,433, Fig.20Pike, F. H.,3Pikipitanges,132Pilgrim fathers,424Piney folk,168Pitcairn islanders,300Pittsburgh,138Pittsburgh, University of,234Pituitary gland,103Plato,150Plœtz, A.,118,119,408,409,410Plymouth, England,118Poisons, racial,48,61,63, Fig.7Poles,259,299,427Polygamy,387Polynesians,127,129Pope, E. G.,124Popenoe, C. H.,78Popenoe, P., vi,244,245,270,402,423Population, Malthusian,151Portland, Ore.,261Portuguese,299,302Possible improvement of the human breed, etc.,152Poulton, E. B.,43Powys, A. O.,272,346Pragmatic school,352Preferential mating,214Pre-natal care,70Pre-natal culture,70Pre-natal influence,64Pre-natal life,155Princeton college,249Probability curve,78,80,441Proctor fellowship,249Production,307Professional classes,232Professor's families,228Progressive changes,39Prohibited degrees of marriage,222