Index 



231 



Living matter, artificial production 



of, 5. 

 Localization experiments, 35. 

 Loeb, Leo, 48, 210. 

 Lottia, 209. 

 Lucas, 208. 

 Luther, 38. 

 Lyon, 57. 



" Lysin theory," 143. 

 Lysins, 139 fl. 



McClung, 16, 17. 



Mach, 57. 



Macromysis flexuosa, 214. 



Margelis, 89, 107. 



Material character of heterogeneous 

 hybrids, 199. 



Mathews, A. P., 11, 144, 156. 



Maxwell, S. S., 39, 208. 



Mead, 7, 117. 



Meclianlcal causation of cytolysls, 145, 



Mechanical destruction of cortical 

 layer, 10, 11. 



Mechanics of growth in animals, 95. 



Membrane of fertilization, 8, 148 ft.; 

 membrane-forming substances, bases 

 as, 134; membrane formation, emul- 

 sion theory of, 145, 147 flF. ; membrane 

 formation, influence of, in causing egg 

 to develop, 150 fl. 



Memory, associative, 55, 73. 



Mendel, 4, 16, 20, 21, 49, 52, 59, 60, 

 226. 



Mendel's laws, 4, 15 fl., 20, 49, 52, 

 59 ff., 226. 



Menidia, 25. 



Merrifleld, 211. 



Meyerhof, 190. 



Miescher, 114, 115. 



Minkowski, 79. 



Moenkhaus, 24. 



Monstrosities, artificial production of, 

 in sea-urchins, 100 fl. 



Montgomery, 16. 



Morgan, 7, 17, 19, 21, 92, 117, 119, 216. 



Morphology, physiological. 109. 



Movements, compulsory, 38. 



Munk, 35, 79. 



Muscles, osmotic phenomena in, 99. 



Mytiius, 198. 



Natural selection, 50 fl. 

 NSmec, 58. 

 Nereis, 12. 

 Neuberg, C 38. 

 Norman, 117. 



Organisms, harmonious character of, 

 23 fl. 



Organs, fusion of normally double, 207. 



Osmotic phenomena in muscles, 99. 



Osterhout, 177, 178, 179, 188. 



Ostwald, "Wilhelm, 4. 



Ostwald, Wolfgang, 38, 213. 



Otoliths of ear and orientation to 

 center of gravity of the earth, 57. 



Overton, 148, 177, 178, 179, 191. 



Oxidation, ferments of, 5. 



Oxidations, and their relation to the 

 egg after fertilization, 13. 157. 160ff., 

 164; in their relation to life and 

 death, 14, 15; effect of retarded, on 

 poisonous salt action, 190 fl. 



Parker, 39, 49, 220. 



Parthenogenesis, 117 fl.; artificial, 7 



116 fl., 127 ff., 199 fl. 

 Parthenogenetic development, varying 



susceptibility of eggs to, 144. 

 Pauli, 99, 181. 

 Pawlow, 62. 

 Pennaria, 91. 

 Peter, 208. 

 Pettenkofer, 4. 

 Pfluger, 216. 



Photochemical action of light, 30, 36. 

 Photochemical, effects, 27, 38, 39; 



substances, 39. 

 Photosensitive surfaces, 39. 

 Photosensitiveness, varying, in animals, 



45. 

 Phylloxera, 19. 



Physiological morphology, 109. 

 Planarians, 39, 54. 

 Plasmolysis, 177. 



Poisoning, acid, 18 fl. ; salt, 186 fl. 

 Poisonous action of distilled water on 



Gammarus, 170 fl. 

 Polarization, 92 fl. 

 Polygordius, 53. 

 Polynoe, 132, 158. 

 Porthesia chrysorrhoea, 47, 48, 218 fl., 



222. 

 Potassium cyanide, action of, 156 fl. 

 Pouchet, 80, 214. 

 Poulton, 215. 

 Prevost, 114. 

 Procter, 181. 

 Production of twins from one egg 



through a change in the chemical 



constitution of the sea-water, 204 ff. 

 Protective solution, 172. 

 Purposeful character of reflexes, 66. 

 Pycnopodia, 198. 

 Pyrrhocoris, 16. 



RSdl, 49. 



Eanke, 99. 



Eayleigh, 147, 152. 



Reflex, 65 ff. 



Reflexes, coordinated movements in, 



70; purposeful character of, 66. 

 Reinke, 24. 

 "Riddle of life," 5. 

 Ringer, 172, 173. 



Robertson, T. B., 185, 208, 210. 

 Role of water in segmentation, 99. 

 Roscoe, 27, 29, 30, 41, 58. 

 Roux, 24, 216. 

 Rubner, 4. 



Sachs, 104, 107. 



Salamandra atra, 225. 



Salamandra maculosa, 225. 



Salt poisoning, 186 ff. ; difference of 

 permeability of various membranes, 

 189 ff. 



Salts, antagonism of acids and, 179 fl. ; 

 antagonism of three salts, 182 fl. ; 

 cooperative action of, causing Im- 

 permeability of egg membrane, 

 176 fl. ; diffusion of, 177 ff . 



Schraiedeberg, 173. 



Schopenhauer, 35. 



Schultze, 216. 



Sea-water, hypertonic, 7, 116 fl., 131 fl. 



Segregation, law of, 16, 20 fl. 



