228 



INDEX 



Carbon dioxide, as plant food, 62. 



effect of temperature on production 

 of, 108. 



production in active nerve, 68. 

 in cell division, 62. 

 in lack of oxygen, in seeds, 22. 

 in muscles in absence of oxygen, 23. 

 through enzyme action, 21. 

 Carroll, 27. 

 Castle, 164, 186. 

 Catalase, 27. 

 Catalytic action, 8. 



of lipase, 9. 



of platinum-black, 11. 



inhibited by poisons, 27. 



in respiration, 13. 

 Catelectrotonus imitated through action 



of calcium precipitants, 102. 

 CauUery, 220. 

 Cell division, chemical processes in, 61. 



chromosomes in, 60. 



effect of temperature on, 59. 



oxygen in, 16. 



physical phenomena of, 62. 



dependence on of size of cell, 59. 

 Centrosome, 64. 

 Cerianthus, 207, 209. 

 Chabry, 197. 



Chatopterus, artificial parthenogenesis 

 produced by K.-salts, 166, 174. 

 Chemotropism, 152. 



biological significance of, 155. 



reaction of bacteria and Infusoria to 

 oxygen, 153. 



reaction of antherozoa of ferns to 

 malic acid, 153. 

 Chevreul, 107. 

 Child, 209, 213. 



Chilomonas, chemotropism of, 154. 

 Chlorophyll 115. 

 Christen, 107. 

 Chromosomes, 60, 61, 176. 

 Chun, 195. 

 Ciona, 209. 

 Cladocera, 187. 

 Clark, 149. 

 Clausen, 108. 

 Clavellina, 220. 



Cleavage plane, centrosomes in relation 

 to, 64. 



Hertwig's law, 64. 

 Cohen, 1 10. 

 Cohnheim, 23. 



Colloidal character of living matter, i. 

 Colloidal solutions, 34. 



electrical charge of, 34. 



precipitation by salts, 36. 



relation to cell life, 37. 



amphoteric colloids, 35. 

 Colloids, nature of, i, 33. 



dissociated, 99. 

 Compensatory hypertrophia, 201. 

 Compensatory motions, 149. 



Conklin, 196. 

 Consciousness, 6. 

 Constant current, 99. 



stimulation at cathode on making, 

 99, 102. 



stimulation at cathode in Infusorians, 

 103. 



disintegration by, 103. 

 Contact irritability, produced by sub- 

 stances which precipitate calcium, 83. 



effect of K-salts on, 84. 

 Copepods, heliotropism of, 129. 



phosphorescence of, 67. 

 Correlation in regeneration, 213. 

 Correns, 183. 

 Cottrell, 95. 

 Crampton, 191, 196. 

 Cramer, 107. 

 Cremer, 12, 25, 176. 

 Ctenolabrus egg, effect of lack of oxygen, 



17, 19. 

 Ctenolabrus, heart of embryo, 19. 

 Ctenophores, structure in egg of, 195. 

 Cucumaria, geotropism of, 149. 

 Cuenot, 186. 

 Cushny, 93. 

 Von Cyon, 217. 

 Cytotropism, 159. 

 Czapek, 148. 



Darwin, 119, 225. 



Death, natural, 4, 223. 



Delage, 151, 152, 164, 173, 179, 186. 



Dentalium, 197. 



Determinants, in heredity, 3, 184. 

 in the sexual cells, 225. 



Development, rate affected by tempera- 

 ture, no. 



Dewitz, 153, 156, 166. 



Dinophilus, 187. 



Disoxidizable substances, 13. 



Distilled water, toxicity of, 46, si- 

 Divisibility of living matter, 29. 



Dominant characteristics, 184. 



Driesch, 30, 59, 61, 64, 115, 158, 181, 192, 

 194, 220. 



Dudaux, II, 16, 106, 113. 



Duhamel, 200. 



Van Duyne, 211. 



Dzierzon, 165. 



Earthworm, regeneration in, 214. 

 Egg structure, 2, 31, 191, 194, 195. 



simple character of, 193, 195. 

 Ehrlich, 23. 



Electrical phenomena, in muscle and 

 nerve, 68. 



in plants, 69. 



general occurrence in connection with 

 life processes, 70. 

 Electrical stimulation, 98. 



by constant current, 99. 



by induction, 99. 



