INDEX 



529 



inheritance of tuberculosis, 

 201, 600 



statistics, fault of, 221 

 PEARSON and NETTLESHIP, 289, 



292, 500 

 Permutations in distribution of 



chromosomes, 156 

 Personality, determined by her- 

 edity, 449 



development of, 7, 77, 460 



infinity of chances in, 425, 

 426 



not predetermined, 453 



potential, 474 



prediction impossible, 424 

 PHENOMENA OF DEVELOPMENT, 6 

 Phenotype, 241, 243, 245, 248, 

 381 



vs. genotype, 96 

 PHYLLOXERA, degeneration of 



male-producing spermato- 

 zoa, 150 



Physiological characters, in- 

 heritance of, 202 



division of labor, 37 



processes, 10, 12 



states, 68, 464 



tests, 39, 54 



units, 100 

 Pigeons, behavior of, 70, 71 



numerous races, 368, 369, 



370 



Pineal gland, 163 

 PITHECANTHROPUS ERECTUS, skull, 



397 



"Plasomes" of Wiesner, 100 

 Plasticity of behavior, 71 

 "Plastidules" of Elsberg and 



Haeckel, 100 

 Plastosomes, equal division of, 



184 



PLATE, ancestors of German 

 Emperor, 217 



factors for coat colors of 

 mice, 259 



Mendelian inheritance in 



man, 290-296, 495, 500 

 PLATO, on transmigration, 40 



Polar bodies, 23, 138 



Polarity, 167-168 



of "Styela egg, 118, 120, 121 



Pollen, 13 



Polydactylism, 199, 293 



Polyhybrid, 244 



Population, normally station- 

 ary, 432-434 

 of Europe, 433 



Poultry, selection for egg pro- 

 duction, 379 



PREFOH.MATION, 79-81, 161, 452 



PREFORMATION AND EPIGENESIS, 

 93-85 



"Preinduction," in Daphnia, 349 



Prepotency, 223 



PRESENCE AND ABSENCE HY- 

 POTHESIS, 248-250 



Primitive sex cells, 128 



Principles of good breeding, 

 violation of, 408 



Propagation of worst, 409 



PROTENOR, sex differentiation 

 in, 142 



Protoplasm, 9 



Psychical Anlagen, 47 



Psychical development, table 

 of, 78 



PSYCHOLOGICAL CHARACTERS IN- 

 HERITED, 204-207 



PTJNNBTT, 225, 258, 495 



"Pure lines," 378 



Puritans and Cavaliers disap- 

 pearing, 434 



Purity of germ cells, 234, 235, 

 251 



PYTHAGORAS, on transmigration, 

 4.0 



Race amalgamation, 402 



extermination, 402 



improvement, 6, 487, 488 



preservation, 484 

 Radium, disintegration of atom, 

 388, 395, 396 



influence on spermatozoa, 



311 



