348 



Index 



Crepidula, maturation and fertiliza- 

 tion, 135 



individuality of germ nuclei, 141 



exogastrula of, 221 

 Cretin, 225 

 Criminality, 243, 302 

 "Cross Overs," 187, 188 

 Ctenophore, egg, 196 

 Cultivated plants, 247 



number of species, 247 

 Culture, grades of, 272 

 Cuvier, 316 

 Cyclopia, 222 

 Cytoplasm, 8 



differentiates, nuclei do not, 145 



distribution of, 140 



is somatoplasm, 127 

 Cytoplasmic Correlations, 190 



differentiations, 145, 148 



inheritance, 190 



localization, 142 



movements, 140 



Daltonism, sex-linked, 183, 184 

 Daphnia, effect of cold on, 235 

 Darwin, hypothesis of pangenesis, 

 124 



on domestic pigeons, 81 



inheritance of acquired charac- 

 ters, 227 



linked characters, 181 



prepotency, 81 



reversion, 81 



"sports," 74 



zeal, 316 



organism a microcosm, 202 



theory of Natural Selection, 254 

 Davenport, degrees of relationship, 



extra toe in fowls, 106 

 inheritance of skin color, 108-110. 

 Mendelian inheritance in man, 



115-118 

 transplanted ovaries, 231 

 "weakness with strength," 289 

 white X black leghorns, 106 



Davenport and Weeks, epilepsy in- 

 herited, 71 



Davis, on Oenothera hybrids, 263 



Deaf-mutism, 69, 118 



Death, of families, 293 



Deathrate, declining, 292 



DeCandolle, number of food plants, 



247 

 Declaration of Independence, 206 

 Decline of families and nations, 323 

 Defectives, growing burden of, 279 



alarming increase of, 286 

 Defects, educational influence of, 239 

 Democracy and human equality, 206 

 Descartes, 206 



"Determinants" of Weismann, 129 

 Determiners, 99, 130 



combinations of, 101 



differential causes, 99 

 Determinism, 



and Responsibility, 309 



definition of, 309 



not Fatalism, 309 



not predeterminism, 310 



of Environment, 306 



of Heredity, 303 



of personality, 309 



scientific, 309 

 Development, a series of responses, 

 223 



alternatives in, 311 



definition of, 132 



is transformation not new for- 

 mation, 175 



mosaic, 214 



not reversible, 310 



of function, 29 



of personality, 55, 301, 310 



potentialities of, 307 



physiology of, 208 



various aspects of, 55 



viviparous, 26 

 Development of Body, 6-32 



of Mind, 32-56 



tabular summary, 56 

 Developmental Responses, 209 



movements, 223 



after fertilization, 213 



before fertilization, 2io 



during fertilization, 213 

 De Vries, action of selection, 255, 260 



fluctuations, 74, 75 



induction effects of poor soil, 235 



intra-cellular pangenesis, 199 



"mutation theory," 74, 262 



mutations, 74, 262 



Oenothera mutants, 262, 268, 269 



