Inter-marriage, _see also_ Marriage between Pauper and Defective families, Tendency to, E. 2 Intoxication, Alcoholic, Acute, in relation to Origin of Feeble-mindedness, C. 97 L Land, re-settlement of Families dealt with, N. Germany, C. 23-5 Lead-poisoning as affecting Germ-cells and Foetus, C. 98 Legitimate and Illegitimate Children, Berlin, 1885, Survival of, C. 105 Letters (autograph) of Charles Darwin (Two) on "Worms and their Habits," B. 9 LIDBETTER, E. J., E. 1-6 (_d_) Life, Male, Duration of, Urban and Rural, in Prussia, C. 22 LIVERPOOL, CITY OF, PUBLIC HEALTH DEPARTMENT OF, F. 1-3 (_f_) London (_see also_ All London), Birth- and Death-rates, relation between, H. 3 Low-type Stock, perpetuation of, Pauperism due to, E. 1-6 (_d_) with but little Physical Defect, E. 3 Lunatic Asylums, Prussian, Frequency in, of Delirium tremens, Epilepsy and General Paralysis, C. 88 M Maize, Cross fertilized, Hybridized, Self-fertilized, C. 111 Male and Female Mortality, Urban and Rural, compared, C. 83-5 Life, Duration of, Urban and Rural, Prussia, C. 22 Malthusian theory of Population, H. 1-30 Mankind, Eye-colour in, Mendelian descent of, Pedigree shewing, I. 3 Mannheim families, Gradual extinction of, 19th century, C. 37 Marriage rate, England & Wales, H. 9 Marriage(s) in relation to Fertility, Occupation and Wealth, Copenhagen and Holland, C. 122 First, Prolificness of, 19th Century, C. 40 Importance of, to Health of Married persons, C. 102 and Mortality in Prussia (1894-7), C. 102 between Peasant and Tramp, Pedigree shewing results, C. 21 Mendelian descent of Eye-colour in Mankind, Pedigree shewing, I. 3 Experiments with Fowls, shewing Recombination of Colours, M. 3 Heredity in Blue Andalusian Fowls, Gametic Purity in, Illustration of Theory of, O. 1 (_f_) Without Dominance, O. 1 (_e_) in Mice, illustration of Theory of Gametic Purity in, O. 1 (_d_) With Dominance, Theoretical examples of, O. 1 (_f_) in Peas, Theoretical examples of, O. 1 (_a_ & _b_) in Rabbits, M. 1, 2 Mendelism, O. 1 Mental Defect, _see also_ Defect, Defective, &c. Transmission of, through the apparently Normal, E. 6 (_a-d_) Disease and Destructive Eye-disease in same Stock, E. 1 Endowment, High, in relation to Fertility in France, C. 124 Holland, C. 123 Taint, distribution of, among nearest Relatives, C. 17 Mice, Mendelian Heredity in, Gametic Purity in, O. 1 (_d_) (Theoretical), with Dominance, O. 1 (_c_) Midwife Toad, Hereditary changes in Habits of, C. 3-4 Migrainous Parents, Offspring of, D. 14 Military Fitness and Unfitness, Germany, in relation to School life, C. 31, 32, 33 Recruits, Frequency among, of Venereal Diseases, C. 87 Miscarriages in relation to Conception losses, C. 52 (2) Moral Imbeciles, Heredity among, C. 20