518 



INDEX 



Cleavage cells, diiferentiation 

 of, 26 

 isolated, development of, 

 314-322 

 Clepsine, behavior of, 68 

 Coeducation, 429, 430 

 Cold, induction effect on Daph- 

 nia, 349 

 induction effect on mice, 

 349, aSO 

 Coloboma, 200, 296 

 Color, of skin, hair, eyes, 197, 



291, S89, 292 

 Color-blindness, 27S-2T8 

 Consciousness, 73-76 

 continuity of, 74 

 loss of, 75 

 subconscious, 73 

 Control of, alterhatives, 466 

 heredity and development, 

 5, 367 



HUMAN EVOLUTION, 403 



meaning of, 461 

 nature, 6 



phenomena, 367, 461 

 self, 461 



COBRELATIONS OF GEKM AND 

 SOMA, 162-179 



"Correlative differentiation," 



331, 332 

 CoRRENS, 493, 497 



rediscovery of "Mendel's 



Law," 224 

 on Mirabilis, 231, S3S, 234, 

 249, 265 

 Creatlonism, 41 

 Creative Synthesis, 37, 84, 180 

 Crepidula, maturation and fer- 

 tilization, 106, lor 

 individuality of germ nuc- 

 lei, 116 

 exogastrula of, 3S4 

 Cretin, S94, 331 

 Criminality, 295, 445 

 Ctenophore, egg, 178 

 Cultivated plants, 367, 368 

 number of species, 368 



Culture, grades of, 396 



CuviER, 473 



Cyclopia, 3S5 



Cytoplasmic Correlations, 167 



differentiations, 180 



inheritance, 175-177 



localization, 123 



movements, 117 



Daltonism, sex-linked, 275, S76, 



S77, 278 

 Daphnia, effect of cold on, 349 

 Darbyshiee, 493 

 Darwin, hypothesis of pangen- 

 esis, 92 

 on domestic pigeons, 368, 



369, 370 

 inheritance of acquired 



characters, 335 

 prepotency, 223 

 reversion, 222, 223 

 "sports," 210 

 zeal, 472 



organism a microsome, 187 

 theory of Natural Selec- 

 tion, 377, 494 

 Daughter nuclei, 24, 113 

 Davenport, degrees of relation- 

 ship, 217 

 extra toe in fowls, 267 

 inheritance of skin color, 



283-285 

 Mendelian inheritance in 



man, 290 

 transplanted ovaries, 342 

 "weakness with strength," 



426 

 white X black leghorns, 267 

 494, 497 

 Davenport and Weeks, epi- 

 lepsy inherited, 206 

 Deaf-mutism, 200, 296 

 Death, of families, 434-439 

 Deathrate, declining, 432-435 

 Declaration of Independence, 

 303 



