INDEX OF SUBJECTS 



Organism, relation to environment, 



226, 356 

 Organismal conception, 33 

 Organism-as-a-whole, 33 

 Organization, 14 



of living matter, 2, 7 



of protoplasm, 7 

 Organizator theory, 239, 290 

 Origin of species, 360-361 

 Osmotic method for experimental 



parthenogenesis, 219 

 Oxidation, cellular, 118-119, 349 

 Oxygen-consumption in eggs, 113-114 



Pancreas, 122 

 Paramoecium, 71, 323 

 Parechinus, egg of, 173 

 Patella, egg of, 21, 97 

 Parthenogenesis, experimental, butjT- 

 ic acid in, 221 

 chromosomes in, 210 

 definition of, 240 

 effect of hypertonic sea-water 



in, 218 

 effect of hypotonic sea-water 



in, 218 

 effect of strong hypertonic 



solutions in, 224 

 effect of temperature in, 218 

 effect of ultra-violet radiation 



in, 218 

 In egg of Amphitrite, 216 

 of Arbacia, 219 

 of Asterias, 2 1 2 ff . 

 of Chaetopterus, 216 

 of Cumingia, 216 

 of frog, 211 

 of Mactra, 2 1 7 

 of Nereis, 217 

 of Podarke, 216 

 of Strongylocentrotus, 219 

 of Thalassema, 217 

 lysin-corrective factor method 



in, 221 

 osmotic method for, 219 

 superficial cytolysis theory of, 

 227 



Parthenogenesis, natural, chromo- 

 somes in, 208 

 facultative, 208 

 fixed, 208 



stages of maturation of eggs in, 

 211 



Parthenogenetlc egg, haploid, 318 



Pedicellina, egg of, 203 



Pediculopsis, egg of, 180 



Perivitelline space, 72, 105, 108, 162, 

 203, 277 



Petromyzon, egg of, 100, 169 



Phagocytosis, 86-87, I4S> H^ 



Phallusia, egg of, 98, 153, 266 



Phascolosoma, egg of, 96, 153 



Physical properties of the protoplasm, 

 42 ff. 



Physical science, 364 



Physico-chemical biology, 1 1 

 means, 15 



Physics and chemistry, in biology, 17 



Physics, concepts of, 12 



Pigment granules, 57, 269 



Plant-cells, ectoplasm in, 88 



Platynereis, egg of, 20, 24, 54, 55, 56, 

 69, 72, 102, 139, 191, 19s, 

 200, 201, 278 

 description of egg of, 47 



Pluripotency, 296, 315 



Polar bodies, 148 



nuclei of, in parthenogenesis, 



210 

 suppression of, 342 ff. 



Polarity in eggs, 300 



Polyembryony, 297, 317 



Polyenergid, 35 



Polyploidy, 20, 319 



Polyspermy, 199-203 



Polystomum, egg of, 153 



Porifera, 300 



Potencies, of the egg, 327 



of the spermatozoon, 327 



Primitive protoplasm, 355 



Propagation of effect of sperm-attach- 

 ment in eggs, 1 16 



Prostheceraeus, egg of, 153 



Protein, 39 



Proteins and specificity, 41 



Protoplasmic organization, 9 



390 



