Ability:118;calculating, literary, musical,120.Able child likely to be neglected,257.Achondroplasy,113.Acquired characters, inheritance of,121.Adami,164.Adaptations, establishment of,140.Adaptive responses,201.Agassiz,297.Albinism, in man,116.Alcohol: and crime,279;and degeneracy,172,179;and germinal tissue,172;a poison,168.Alcoholism:101,117,167;factors in,180;in lower animals,173-178;views regarding inheritance of,169,170,172,178,179,180.Alkaptonuria,117.Allelomorph,77.Alpine plants, non-inheritance of acquired characters,131.Alternative action in behavior,207.Altruism, possible origin of,220.Ambystoma,132.Ameba,23,24.Ancestors, number of,4.Ancestry: a network,3;dual,6;in royalty,5;pride of, as a eugenic agent,309.Backward child,256.Backwardness, importance of early determination,256,257.Bardeen,126.Barker,229.Barr,246,247,248.Barrington,179.Bateson,77,82.Bees, inheritance in,136,137.Behavior: lower animals,197;modifiability of,200,204-207,217,219,224,225,337;not wholly established by heredity,217,227;rational,205,206;various forms of, possible,207,219.Bell,152.Bezzola,170.Billings,249.Binet-Simon test,255.Biometry,16.Birthmarks,159,160.Birth-rate: significance of,302;too low in desirable stocks,302,304,305,307.Blastomeres,55.Blastophthoria,163.Blended inheritance,87,92,93.Blends, mistakes for,91.Blindness, infantile,183.Blistering,113.Body: how built up from germ,36;duality of,50.Brachydactylism,107.Brain: in higher animals,213;mechanism, maladjustments of,230.Branthwaite,180,292.Breeding, experiments, method of,14,15.Brewer,142.Brieux,101.Bronner,266.Brown Sequard,132,133.Cabot,183.Cacogenic strains,310.Cajal,209.Cancer,117,154.Capsella,131.Castle,134.Cataract, presenile,112.Cattle: horn characters,79;roan,81.Cell: a unit of structure,20;diagram of,21;structure of,20,30.Cell-division:31;indirect (mitosis),32;meaning of indirect,34.Cell-theory,22.Cellular basis of heredity,22.Ceni,174.Centrosome,31.Cerebral cortex, not functionally homogeneous,211.Character: defined,12;dominant,74;recessive,74.Characters: contrasted,69;determiners of,13,14;independence of,69;inheritable and non-inheritable,121,122;more than two pairs of,87;new combinations of,82,83,84;separable,69;symbols for,78;two pairs of,82.Chauvin,132.Chemotropism,198.Childbirths, intervals between,165.Children of the future: ours to determine quality of,338,339;and home,338.Cholera,152.Chorea:117;Huntington’s,113-115,243,325.Chromatin,31.Chromosome,32.Chromosomes: individuality of,39,48;determiners in,94;in germ and body cells,40;Mendelian factors and,93;number and appearance,34,41;pairs of,40,93,94;significance of, in heredity,35,49,50,51,53,54.Chromotropism,198.Church,242.Cleavage,36.Cleft-palate,178.Cole,166.College graduates and birth-rate,304.Coloboma,113.Color-blindness,60-62.Conceptual thought, origin of,206.Conduct: importance to young of practise,221,223;hereditary predisposition and,218,337;responsibility for,195.Congenital traits,123.Conjugation,25.Consciousness,206.Conservation: of superior strains,157;human,299,300.Constructive eugenics,309.Corneal opacity,113.Correns,68.Cortex of brain,195,213.Cost, of caring for our disordered and delinquent,257,300.Cretins, effects of segregating the sexes,321.Crime: and delinquency,263,287;and feeble-mindedness,264-270;bearings of immigration on,280;classifications of,276;defined,276;heredity vs. environment in,263;increase in,272;mental disorders most frequently associated with,279;no specific hereditary factor for,275.Criminal: the born,277;the epileptic,277.Criminality,117.Criss-cross inheritance,61.Criteria for judging reproductive fitness,304,306.Cytoplasm:30;in heredity,51.Daltonism,60.Dana,257.Darwin, pedigree of,316.Davenport,92,116,231,243,257,271,273,284,291,304,312.Davis,185.Deaf-mutism,152,153.Death, natural,28.Decline of nations,290,300.Defective delinquent, should prevent procreation of,335.Defectives: increase due to breeding,290,291;natural elimination done away with among,292;unpardonable to let multiply,288.Defects: breeding out,118,119;mental and nervous,228.Degenerate strains:269;not a product of surroundings,273.Degenerates, sterilization of married,330.Delinquency, causes of,267,274.Delinquents not all defectives,274.Delinquent women and girls, many mentally defective,265,266.Dendrite,208.De Sanctis,256.Determiners:13,77;different producing the same character,88,90;segregation of,84.Development: in higher organisms,28;suppressed,9.De Vries,68.Diabetes,113.Difficulty, educational value of,222,223.Digital malformations,107.Dihybrids,82.Diploid number of chromosomes,41,43.Disease: defined,146;inheritance of,98,148;predisposition to,148;reappearance of not necessarily inheritance,146.Dominance:74;delayed,81;incomplete,80,100;in human genealogies,102;in man,99,107.Don Carlos, number of ancestors,5.Drosophila,66.Duplex character,80,99.Dwarfing, by starvation,130.Dwarfs, true,117.East,91.Education: actual practise in carrying out projects important,221;affording opportunity for development of good traits,226;effects of not inherited,142,155;establishing pathways through the nervous system,210;importance of difficulty in,222,223;non-transference of skill acquired in one line to other lines,213;providing proper stimuli,226;training in motive necessary,220;value of interest in,223.Egg, a cell,22.Egg-cell and sperm-cell contrasted,29.Elderton,179,296.Electrotropism,198.Ellis,265,301.Embryo, relation to mother,161.Embryogeny,36.Emerick,251.Environment: direct action on germ cells,124,125;effects of faulty,158;in crime and delinquency,263,266,273,274.Epidermolysis,113.Epilepsy:101,117,242,249,251,252,253;in guinea-pigs,132;relation to feeble-mindedness,249.Epileptic, the criminal type,277-279.Epileptics, number of,230,246,250.Eugenic agent, educated public sentiment,330.Eugenics: and education,309;and personal liberty,332;a working program of,335;constructive, based on education,301;defined,293;desirable traits,306;education of women in,333;influence of public opinion on,331;much yet to be done,333,334;positive and negative,301.Ewart,10,165.Exceptional child likely to be neglected,257.Experimental breeding, method of,15.External conditions, influences of,130.Eye-color:9,103;inheritance of,104.Eye-defects,108,110.Family pride and eugenics,309.Farabee,106.Fay,153.Feeble-minded: prevention of procreation in,258,335;results of non-restraint,246.Feeble-mindedness:101,117;and crime,264-269,279;grades of,244;inheritance of,245;not insanity,238;relation of alcohol to,169-172.Fernald,256,266.Fertilization,26,29,47,48.Fetus: poisoning of,162;relation to mother,161.Fiber-tracts in man,214.Fitness, criteria for judging,304,306.Flexner,186.Forel,169,173,303.Fowl, Andalusian,69,70,71.Frederick the Great, number of ancestors,5.Friedreich’s disease,117.Fruit-fly,66.Galton,293,295.Gamete,28,40.Gametes in dihybrids,85.Gametic matings in man,100.Geddes,55.Genealogies, imperfect,98.Genotype,86.Geotropism,198.Germ and body distinct,37,38.Germ: control of possibilities in,224;singleness of,50.German emperor, number of ancestors,5.Germ-cells: affected by poisons,126;changes in,126,127;early set apart,37;question of effects of body on,128,135;effects of external influences on,124;in Miastor,37,38;metabolic changes in,138;origin of,36,37;possibilities of development,127;two classes of,71,73.Germinal continuity,39.Germinal variation and the origin of new characters:138;cases analyzed,141;sexual reproduction in relation to,138.Germ-plasm and bad environment,194.Gifted persons,212.Glaucoma,113.Goddard,118,171,174,188,235,238,245,250,256,257,264,269,326.Gonads, transplantation of,134.Gonorrhoea: seriousness of,182;prevalence,183.Gorst,234.Gout,153,234.Guinea-pigs: alcoholism in,175;Mendelism in,75.Guyer,59.Habit,219.Habits, modification of in lower animals,204.Hair-color,105.Hair shape,105.Hamburger,150.Handwriting,120.Haploid number of chromosomes,41,43.Harelip,178.Hart,266,319,326.Healy,256,