Index 



373 



extermination of, 290, 291 



extinct types of, 289 



freer than animals, 330 



mongrel race, 306 



place in nature, 3 



prehistoric, 289 



races of, 290 



slow breeding of, 114 



species of, 287, 290 



value of races of, 289 

 MAORIS of New Zealand, 290, 301 

 Marriage, age of, 302, 310 



selection, 307, 308 

 Marsupials, 26 



MASSART, reactions of SPIRILLA, 39 

 Materialism, 35 

 "Maternal impressions," 29 

 MATERNAL INHERITANCE, 112, 203 

 Matter and mind, 35 

 MATURATION PERIOD, 153 



divisions, 153, 154, 155 

 "Mayflower" descendants, 313 

 Maze, of heredity, 76, 119 



life, 320 



MECHANISM OF DEVELOPMENT, 203 

 MECHANISM OF HEREDITY, 132, 177 

 Mechanistic hypothesis, 330 

 Mediocrity, tendency to, 78 

 MEMORY, 43 



associative, 45 



organic, 45 

 MENDEL, abbot of Brunn, 82 



dominant and recessive charac- 

 ters, 84 



dominant recessive ratios, 84 



experiments on peas, 64, 83, 85 



inheritance formulate, 95 



inheritance units, 101 



method of work, 63, 83 



neglect of discoveries, 83 



purity of germ cells, 88 



study of characters, 64 

 MENDELIAN ASSOCIATION AND DISSO- 

 CIATION, 272 

 Mendelian factors and chromosomes, 



131, 179, 180, 181 



MENDELIAN INHERITANCE, diagrams 

 of, 86, 87, 90 



IN MAN, 114-119 



Table of, 117-119 

 MENDELIAN PRINCIPLES, 98 



DOMINANCE, 99 



MODIFICATIONS AND EXTENSIONS, 



99 



SEGREGATION, 99 



UNIT CHARACTERS, 98 

 Mendelian ratios, simple, 84, 85 



other ratios, 90, 91 



unusual ratios, 108 



Monohybrid, 84, 91, 92 



dihybrid, 92, 93 



trihybrid, 95, 96, 97 



dominant-recessive, 84 



departures from, 108 

 MENDELISM, 82-119 

 MENDELSSOHN, reactions of Parame- 



cium, 40 



Meniere's disease, 118 

 Mentality, influence of education, 214 

 Mesoderm, 23 

 Metabolism, 8 

 METCHNIKOFF, disharmonies in man, 



255 



Metempsychosis, 33 

 Microscopic particles, smallest visi- 

 ble, 129 

 MIDDLETON, Effects of Selection on 



Stylonychia, 269 



MIESHER, On stereoisomeres of al- 

 bumin, 173 

 Mind and body, 35 

 Mind, development of, 32-56 

 MIND, GERMINAL BASIS OF, 36 

 MIRABILIS, white-red cross, 87, 98, 106 

 Mitosis, 16, 18, 19, 20, 136, 137 



significance of, 131, 144, 148 

 "Mneme" theory, 245 

 Modifiability of behavior, 50 

 Molecular constitution, stereoiso- 

 meres, 173 



Molecules, largest known, 129 

 Monasticism, 295, 308 

 Monohybrid, 84, 91, 92 

 Monotremes, 26 

 Monstrous development, 217, 324 



cause of, 217 

 MONTGOMERY, on Chromosomes of 



man, 162 



Moral qualities inherited, 71 

 MORGAN, gynandromorphs, 169 



chromosomes of Drosophila, 191 



"cross-overs," 192, 193 



map of chromosomes, 194 



mutations of Drosophila, 185, 289, 



