Index 



403 



Particles, ultimate, ii, 151 



Partisanship in science, i, 338 



Payne, F., ii, 34 



Pearl, R., i, 311 



Peckhams, G. W. and E. S., ii, 

 251 



Percepts, ii, 294 



Periodic law, in chemistry, ii, 329 



Personal conscience, ii, 292 



Personality, ii, 335; and person, 

 295; and elementary substances, 

 327 



Petrels, i, 85 



Phases, fluid, of cell system, i, 

 216; of the cell, ii, 326 



Philosopher's stone, ii, 288 



Philosophy, cartesian, ii, 297 



Phleps, Ed., ii, 135 



Phlogiston, i, 225 



Phosphorus, ii, 290; a simple, 287; 

 glow of, 343 



Phylogeny, of biochemical sub- 

 stances, i, 110 



Phylloxerans, eggs of, i, 352 



Physical basis of life (Huxley), i, 

 121; of heredity, ii, 64 



Physical chemistry, in biology, i, 

 114; and protoplasm doctrine, 

 140; and the organismal stand- 

 point, 191; conception ' of cell, 

 215, 333; conception of organ- 

 ism, ii, 71; limitations of, in 

 biology, 208; absence of in 

 earlier biology, 336; anti-ele- 

 mentalistic tendency of, 341 



Physical science, ii, 152 



Physio-chemical substances and 

 forces, in behavior, ii, 312 



Physics, and chemistry in hered- 

 ity, i, 115; province of, 141 



Physiologist, ii, 285 



Physiology, and heredity of mus- 

 cle fibers, ii, 61; distinctive task 

 of, 274 



Phytin, ii, 123 



Pigeons, control of sex in, ii, 78; 

 Whitman's study of habits of, 

 314 



Pigment, from chromatin, i, 338; 

 bearers, 340 



Pigmentation, i, 213 



Pill bugs, i, 219 



Pillsbury, W. B., ii, 231 



Pineal body, ii, 114 



Pituitary Body, ii, 114, 124 



Plankton, ii, 280 



Plantagens, i, 36 



Planaria, ii, 109 



Plasma, i, 134 



Plasmic elementalism, i, 311 



Play of animals, ii, 273 



Pleasure and Pain, criterion of, i, 

 289 



Pleomorphism, i, 266 



Plover, Golden, ii, 259 



Pluralism, philosophical, ii, 294 



Pluteus larva, i, 203 



Poisoning, strychnine, ii, 173 



Polarity, in plants and animals, i, 

 181 



Pollen grains, in fertilization, i, 

 343; structure of membrane of, 

 ii, 57 



Porospora gigantea, i, 270 



Post-generation, i, 207 



Postulate, ii, 297 



Powers, secret, of substances, ii, 

 300 



Precipitin reaction, i, 100 



Predisposition, i, 206 



Primitive, i, 290 



Primrose, evening, i, 353 



Primun movens, i, 276 



Principle, of unity of organiza- 

 tion, i, 166; of aggregation, 182 



Principles, Alchemists', ii, 288 



Private opinion, ii, 292 



Promiscuity in mating, ii, 267 



Promorphology, of germ cells, i, 

 211; metaphysical, 225 



Properties of the whole, i, 13, 148 



Prophysiology, i, 212 



Protista, i, 230, 280 



Protophyta, i, 230 



Protoplasm, as goal of biology, i, 

 5; mystification of, 120; and the 

 organism, 120; Max Schultze on, 

 125; latest views as to morphol- 

 ogy of, 133; specificity of, 143; 

 as general term must be used in 

 plural number, 148 



Protozoa, theoretical simplicity of, 

 i, 230, 286; development of, 267; 

 theoretical aggregation of to 



