282 



HEREDITY AND EUGENICS 



Massachusetts, 36, 40, 65, 94 

 Mathematical ability, inheritance 

 of, 147, 149 

 laws of inheritance, 207 

 Measuring scale of intelligence, 



149 

 Medici, de, Catherine, 44 

 Mediterranean race, 2 1 2 

 Meiosis, defined, 15 

 Melancholia, 158 

 Melanism in Lepidoptera, 64 

 Melanogenesis, 53 

 Mendel, 8, 14, 17 



Mendelian, dominant, 25, 60 75, 

 76, 78, 88, 89, 90, 103, 105, 

 109, no. III, 114, 117, 124, 

 126, 127, 128, 133, 135, 136, 

 141, 156, 208 

 inheritance, 9, 14, 17, 24, 48, 



52, T2, 207 

 population, 208, 209 

 recessive, 106, 107, 108, 109, 

 no. III, 115, 122, 134, 138, 

 149, 150. 158, 167, 173.208, 

 217 

 Mental capacity of modern man, 

 225 

 characters, inheritance of, 

 145, 164, 166, 168, 170, 186, 

 188, 221 

 complexes, 165 

 defects, 154, 188 

 evolution, 226 

 instability in crosses, 231 

 tests for immigrants, 232 

 of negroes, 234 

 Mentality of man, 165 



of negro, 234, 235, 247, 248 

 Menzies, Sir W., 98 

 Mesenchyme, hereditary inferiority 



of, 142 

 Metchnikoff, 131 

 Mexico, 65 

 Mice, cancer in, 140 

 waltzing ,167 

 wildness in, 167 

 yellow, 196 

 Microcephaly, 133 

 Microphthalmus, 116, 120, 130 

 Migraine, 163 

 Migrations, 223, 226, 239 

 Miller. N., 62 

 Milroy. W. F.. 127 

 Minnesota, 69 



Minor brachydactyly, 82, 88 

 Minutiae of finger prints, 175, 176, 



183 

 Mirror-image patterns. 176. 179, 

 182 



Mirror- writers, 73 

 Miscarriages, 196, 198 

 Miscegenation, 222, 233, 236, 239 

 Mivart, St. George, 125 

 Mixture of races, 223, 236 

 Mjoen.J. A., 231 

 Mohr, O. L., 89, 90, 91 

 Momentary blindness, 117 

 " Mongolian," 152, 153 

 Mongoloids, features of, 214, 215 



pituitary of, 212, 214 



stature of, 28 

 MoniUthrix, 128 

 Monkey, chromosomes of, 2 1 



Polydactyly in, 93 

 Monomaniac twins, 188 

 Monozygotic twins, 191, 192, 199, 



202 

 Montezuma, 65 

 Montgomery, 20 

 Montpelier, 114 

 Moore, 20 



Mores and society, 163 

 Morgan, T. H., 196 

 Morons, 149, i5o,n^2, 154, 157 

 Mott, F. W., 158 

 Mouse, Californian deer, 33 



house, mutation in, 1 34 

 Mousterian man, 225 

 Mulattoes, 52, 53, 234 

 Multiple births in man, 197, 200 



factors, 27, I},, 34, 39, 167 

 Musical ability, inheritance of, 147, 



149, 170, 171 

 Mutations, 13, 17, 38, 41, 64, 66. 

 68, 70, 75, Tj, 85, 95, 99, 

 109, III, 125. 134, 140, 151. 

 174, 175, 207, 217 



following crossing, 59, 63 



parallel, 125 



sex-linked, 20 

 Myoclonus-epilepsy. 108, 158 

 Myopia, 115, 1 16 

 Myxoedema, 214 



N 



Nam family, 160 



Napoleon, personality of. 220 



Nasse, law of, no 



Native races, 207 



Natural selection, 175. 207, 209, 



211, 240, 243, 246 

 Naval officers, heredity in, 164 

 Neanderthal skull, 216 

 Negrillo Akkas, 43 

 Negroes, brain of, 233 



compared with whites, 235, 

 236 



