Feeble-minded Children, Birth-curve of, compared with general Birth-curve, C. 97 Parents, Offspring of, D. 8 Mated with Epileptic, Offspring of, D. 2, 4, 5, 7 (_a_ & _b_) Woman, and Alcoholic Man, Offspring of, D. 10. Feeble-mindedness, Incest, and Offspring, D. 3 Origin of, Acute Intoxication in relation to, C. 97 Female Labour and Infant Mortality, C. 99-101 as affecting Reproduction, C. 99, 100 Fertile and Childless Couples, Physical Condition of, contrasted, C. 45 Fertility, Age of Parents at Death in relation to, C. 7 and Health in relation to Crossing of Races, C. 117 in relation to High Mental Endowment in France, C. 124 in Holland, C. 123 Legitimate, in Berlin, Decrease of: Two-children System, C. 127-9 of Marriages, Occupation, and Wealth for Copenhagen, and Dutch Conditions, C. 122 of Married Women, England and Wales, H. 9 Want of, in French and German towns, C. 125-9 and Wealth, C. 118 in Denmark, C. 121, 122 in Munich, C. 120 Field-workers in America, Charts collected by, P. Fire Salamander, Colour-changes in Skin of, when placed on Yellow or on Black Earth, C. 1-2 First-born _see also_ Numeral position alleged Inferiority in, C. 64. and Later-Born, Infantile Mortality among, C. 56 Myopia in high degree and frequency of, C. 54 Fitness for Military Service in relation to Birth-place, locality and size of, and to Parental occupation, C. 26-30 Foetus, effect on, of Lead poisoning, C. 98 France, Birth- and Death-rates for, since 1781., H. 8 Departments of, Fertility in relation to Wealth in, C. 118 Fertility in, in relation to High Mental Endowment, C. 124 Total Population and Birth- and Death-rates for, Variation in, H. 7 Towns of, Want of Fertility in, C. 125 G Galton, Darwin, and Wedgwood Families, Inheritance of Ability as exemplified by, O. 5 Galton, Samuel Tertius, his son Erasmus, and three daughters, Portraits of (Silhouette), A. 4 Galton, Sir Francis, Portrait of, by Charles Furze, A. 1 Gametic Purity in Mendelian Heredity, Theory of Illustrations of in Blue Andalusian Fowls, O. 1 (_f_) Mice, O. 1 (_d_) General Paralysis of the Insane, Frequency of, in Prussian Lunatic Asylums, C. 88 Generations of Mannheim Families Age-intervals separating, C. 39 Average number of Children in each, C. 38 Number attained by, C. 38 Germ-cells, effect on, of Lead-poisoning, C. 98 Germ Production, Abnormal, Disturbance of Normal Sex proportion as symptom of, C. 44 Germany, _see_ Berlin, Munich, & United Kingdom Recruits in, cause of Unfitness in those qualified for one year and in general, C. 33, 34 GRUEBER, PROF. von, C. 1-123 H Hæmophylic family, Pedigree of, C. 12 Hair Peculiarities, Heredity of Curled hair, C. 5 Lock of White hair, C. 6