Inheritance Tax, 353 Innate, 441 Inkowa Camp, 233 Inquiries into human faculty, 5, 152 Insane, 15, 302 Insanity, 178 Institut Solvay, 155 Intelligence, 106 Intermarriage, 206 International Eugenics Congress, 155 International Eugenics Society, 155 Iowa, 208 Isabella, Queen of Spain, 19 Ishmael Family, 168 Islam, 284 Italian, 41, 259, 299, 302, 308, 311 Italians, Southern, 304 Italy, 19, 137 Ireland, 299 Irish, 41, 259, 311, 427 J Jacob, 64 Jamaica, 289 James, W., 51, 327 Japan, 137 Japanese, 127 Japanese immigration, 312 Jefferson, T., 75 Jefferson Reformatory, 191 Jena, Battle of, 321 Jenks, A. E., 295, 314 Jenks, J. W., 308 Jennings, H. S., 105 Jesus, 396 Jews, 52, 133, 284, 304 Jewish eugenics, 394 Jewish race, 358 Johnson, E. H., 282 Johnson, R. H., vi, 117 Johnstone, E. R., 188 Jones, E., 213 Jordan, D. S., 323, 326 Jordan, H. E., 323 Journal of Heredity, 154, 436 Judaism, 394 Juke family, 143, 159, 168, 169 K Kafirs, 285 Kaiser of Germany, 204 Kallikak Family, 160 Kansas, 172, 194, 208 Kansas City, Mo., 261 Kansas State Agrigultural College, 244 Kechuka Camp, 435 Kellogg, V., 215, 321, 318 Kelsey, C., 435 Kentucky, 172 Keys, F. M., Fig. 1 Key, W. E., 168 Knopf, S. A., 127 Kornhauser, A. W., 370 Kuczynski, R. R., 260 L Laban, 64 Laitinen, T., 54, 55 Lamarck, J. B., 37 Lamarckian, 35 Lamarckian Theory, 421 Lamarckism, 37 Late marriages, 218 Latent, 441 Lauck, W. J., 308 Laughlin, H. H., 341 Law, 441 Laws, eugenic, 196 Laws of heredity, 99 Lead, 57, 63, Fig. 7 League to enforce peace, 328 Lechoco, F., 314 Legal aspects, 194 Legislative aspects, 194 Leipzig, 321 Lethal chamber, 184 Lethal selection, 145 Levantines, 299 Lewin, G. R. L., 62 Lim, B., 314 Lincoln, A., 20, 333 Lincoln, T., 333 Lithuanians, 311 Living wage, 375 Loeb, J., 379 Lombroso, C., 179, 182 London, 140, 141 Longevity, 403 Longfellow, H. E., 153 Lorenz, O., 330 Loscin and Lascin, 314 Louisiana, 187, 296 Lunatics, 193 Lutz, F. E., Fig. 16 Luzon, 315 Lynn, Mass., 261 M Macedonia, 326 MacNicholl, T. A., 55, 56 Madonnas, 397 Magyars, 299, 302, 427 Maine, 172 Maine, University of, 47 Mairet, 44 Maize, 104 Malaria, 63 Malayans, 315 Mall, Bean &, 285 Malone, Widow, 204 Malthus, 117, 134, 145, 151 Mamelukes, 284 Management, 221 Manchester, 57 Mann, Mrs. Horace, 153 Marks, school, 216 Marriage laws, 196 Marriage rate, 237 Marshall, Gov. Thomas R., 191 Martha's Vineyard, 154 Maryland, 206 Massachusetts, 123, 241, 255, 259, 260, 261, 295, 326 Mass. Agricultural College, 255 Mass. State Prison, 182 Maternal impression, 64 Maternity, 221 Mayo, M. J., 286 Mean American man, 425