366 



THE CKLL 



Light pictures produced upon leaves,104. 



stimulation, 99. 



tone (phototonus), 101, 102. 

 Lilium martagon, 263. 

 Linin, 43. 

 Lymph corpuscles, centrosomes of, 203. 



division of, 209. 



movements of, 66. 



perforated nuclei of, 209. 



structure of, 28. 



Macrocosm, 339. 



Macro-gametes, 271. 



Macro-nuclei of Ciliata, 266. 



Malic acid as an attracting agent for 



Fern antherozoids, 119. 

 Mechanical stimuli, 110. 

 Membrane of the cell, 5. 

 Meroblastic segmentation, 230. 

 Merocytes, 233, 245. 

 Mesocarpus, action of light upon, 104. 

 Metabolic products of protoplasm, 18. 



of micro-organisms, 122. 



of the cell, 128. 

 Metabolism of the cell, 126-154. 



progressive, 



126. 



retrogressive, 126. 

 Metastasis in plants, 150. 

 Micellae, 58, 340, 343. 

 Micella theory, 19, 58. 



solution, 60. 

 Microcosm, 339. 

 Microgametes, 27- 

 Micro-nuclei of Ciliata, 266. 

 Micro-organisms, destruction of, by 

 phagocytes, 144. 



metabolic products of, 122. 



nuclei of, 55. 

 Microsomes, 14, 19, 22. 

 Middle portion or neck of spermatozoon, 



45, 56. 

 Migratory nuclei of Infusoria, 269. 

 Mimosa pudica, 113. 

 Mitome, 23. 

 Mitosis, 179. 

 Molecular structure, 58. 

 Monjeotia, 283. 



Movements, changes in the cell during 

 passive movements, 83. 



occurring in oil drops, 73. 



of contractile vacuole, 86. 



of flagelia and cilia, 77. 



of protoplasm, 73-89. 



of protoplasm during heat stimula- 

 tion, 94. 



of protoplasm due to light stimula- 

 tion, 99. 

 Mucous cells, 36. 



Multiple fertilisation in chloralised egg- 

 cells, 114. 

 Multipolar giant cells, 244. 



mitoses, 243. 

 Muscle fibres, 173. 

 Mycoderma aceti, 147. 

 Myxomycetes, movements in, 67. 



structure of, 28. 



Narcosis (of protoplasm, Mimosa, eeg- 

 cells, and spermatozoa), 112-115. 

 Neck or middle portion of spermatozoon, 



45, 56. 

 Nematodes, nucleus of the fertilised 



egg-cell of, 218. 

 Nematocysts, 164. 

 Nerve fibres, 173. 

 Net-like structure of protoplasm, 23. 



of nucleus, 47. 

 Nisus formativm (Blumenbach), 338. 

 Noctiluca, 278. 

 Non-nucleated cells, 54. 

 Nuclear framework, 47. 



membrane, 44. 



sap, 43. 



spindle, 181. 

 Nuclei n, 40, 41. 



bodies, 49. 



in division, 180. 



reaction of, 40. 

 Nucleoli, 42, 49, 52. 



fate of, 205. 

 Nucleus, connecting fibrils in, 187, 198. 



definition of, 37. 



degeneration of, 245. 



determination of position of in the 

 cell, 214,216, 217. 



discovery of, 3, 36. 



division of, direct, 207. 



division of, indh-ect, 179. 



division of, influence of the environ- 

 ment upon, 239. 



division of, in fertilised egg-cells, 



263, 264, 273. 



division of, multipolar nuclear 



figures, 243 

 division of, pathological, 244. 

 division of, with induction, 235. 

 fixed position of, in plant cells, 325. 

 form, size, number of, 37- 

 germinal, 259. 

 history of, 37- 



importance of, in segmentation, 349. 

 influence of, upon cell processes, 324, 



330. 

 in segmentation, 179. 

 longitudinal splitting of segments, 



of 186, 191. 

 migratory, of Infusoria, 269. 

 multiplication of, 211. 

 of animal cells, 327. 

 of Bacteria, Oscillaria, etc., 54. 

 of Chironomous larva, 49. 

 of Ciliata, 47- 

 of egg-cells, 50. 

 of egg-cell of Dytiscus, 329. 

 of Fritillaria, 48. 

 of Salamander, 47- 

 of secreting cells of Nepa, 329. 

 of spermatozoa, 45. 

 of sperm mother cells of Ascaris, 



46. 

 of Spirogyra, 49. 

 segments during fertilisation, 263, 



264, 273. 



