INDEX 



229 



Electrical stimulation (continued') 



in Infusoria at cathode of constant 

 current, 103. 

 Electrolytes in liquids of the body, 68. 



role of in living matter, 71-106. 



rhythmical contractions only in, 78. 

 Elvove, 19. 

 Embryos, from deformed eggs, 193. 



from fused eggs, 194. 



from isolated blastomeres, 192. 

 Emulsion structure of protoplasm, 31. 

 Engelmann, 17, 54, iS3- 

 Engler, 14. 

 Enzymes, stereochemical theories of, 24. 



theory of intermediary reactions, 26. 



reversible action of, 9. 

 Eudendnum, effect of light in organ for- 

 mation, 115. 



heliotropism of, 120. 

 Ewald, 215. 

 Eyes, compensatory motions of, 149. 



Faraday, 66. 

 Farkas, 95. 



Fermentation, alcoholic, 21. 

 Fertilization, 161. 

 membrane, 162. 

 produced in unfertilized eggs by fatty 



acids, 168. 

 produced by hydrocarbons, 169. 

 formation of, antagonized by H-ion, 

 170. 

 Fischel, 195. 

 Fischer, Alfred, 37, 65. 

 Fischer, Emil, 24. 

 Fischer, M. H., 94. 

 Foam structure, 31. 

 Forteg, 114. 

 Fraenckel, 95. 

 Freundlich, 35, 36. 

 Friedenthal, 95, 182. 



Fundulus egg and embryo, effect of lack 

 of oxygen, 17. 

 effect of salts, 46, 50. 

 effect of distilled water, 45. 

 Fungi, nutritive solutions for, 71. 



Galvani, 68. 

 Galvanotropism, 140. 



in Amblystoma, 146. 



in Palmmonetes, 144. 



in Paramoscium, 142. 



in Poly orchis, 141. 



in seedling plants, 145. 

 Gammarus, 46, 50, 51, 74, 77i 97i 128. 

 Ganglion cells, effect of lack of oxygen, 18. 

 Garrey, 154- 

 Gaule, 97. 

 Gels, I, 37. 

 Geotropism, 147. 



in Antenmdaria, 148. 



in Cucumaria, 149. 



in crustaceans, 149. 



Geotropism (continued) 



in plants, 147. 



possible connection with internal 

 ear, 151. 

 Geppert, 21, 27. 

 Gerassimow, 59. 

 Giant embryos, 194. 

 Giard, 220. 

 Gies, 175. 

 Giesebrecht, 67. 

 Glycogen, 12. 

 Godlewski, 17, 22, 204. 

 Goltz, 6, 150, 158, 215. 

 Gonionemus, 81, 91. 

 Gordon, 50. 

 Gotschlich, 147. 

 Graham, i. 

 Greeley, 112. 



Growth, need of oxygen in, 17. 

 Gruenbaum, 182. 

 Guyer, 186. 



Hamburger, 44. 



Hardesty, 21. 



Hardy, 31, 32, 33, 35, 43. 



Harless, 41. 



Heart of Ctenolabrus embryo, 20. 



Heartbeat, conditions in normal, 91. 



reaction velocity in, 109. 

 Heat, effects of, 106. 



biological effects, in. 

 chemical effect, 106. 

 coagulation of proteins, 107. 

 coagulation of colloids a function of 



time, io8. 

 effect on coefl&cient of partition, in. 

 poisons, activity of, influenced by, 

 III. 

 Heliotropic reactions, sense of, 130. 

 reaction velocity in, 130. 

 effect of differences of intensity of 



light, 131. 

 sense of heliotropism reversed by 



chemical substances, 131. 

 changes in intensity of heliotropism by 



chemical substances, 132. 

 intensity of reaction at certain stages 



in life history, 133. 

 sense of reaction changed in certain 



stages of development, 133. 

 in larvae of Limulus, 133. 

 effect of temperature on sense of reac- 

 tion in Polygordius, and in Coppods, 



133- . . 



effect of light on sense of reaction in 

 nauplii of Balanus, 134. 

 Heliotropism, of sessile organisms, 117. 



green, blue, and violet end of spec- 

 trum most effective, 117. 



theory of heliotropic bending, 118. 



in Eudendrium, 120. 



in Spirographis, 122. 



in Serpula, 123. 



