INDEX 



417 



Metabolism, importance in evolution, 



101, 168 et sea., 193 ct sea., 214, 



223, 248. 295, 300, 311 et seq. 

 " slippery basis of," 56, 401. 

 Metamorphosis, 33 et seq.. 37, 77, 



117 et seq., 176. 191 et seq., 223, 



225 et seq.. 2*6. 

 Metchnikoff, Prof. E., 212. 293. 

 Might and right, 304, 401. 

 Milk, 28. 213. 215. 243, 325. 

 Milne-Edwards, 260. 

 Milton, 394. 

 Mimicry, 269. 359. 

 Mind and body, 24, 77, 354 et seq. 

 Mineral salts, 114. 193, 228 et seq. 

 " Misere." physiological and biolo- 

 gical, 39, 65. 153, 162, 180. 283. 



290 et seq., 302 et seq., 313 et 



seq., 316, 344, 350. 

 Misuse. 335. 

 " Mobilisation " of bodily defences, 



300. 



Modus vivendi, 118. 

 Mole, 56. 

 Mollusca, 326. 

 Momentum, 4, 78, 193, 218, 225, 274 



et seq., 331, 336. 

 Monotremata, 46. 

 Monstrosity. 40, 78, 162. 174. 198 et 



?..' 204, 234 et eq., 240. 245. 

 Morgan, Prof. C. Lloyd, on Spencer, 



220 et seq., 2M\ 252. 

 Morley, John, on Rousseau, 402. 403. 

 Morphogenesis, 148 et seq., 172 et 



eq., 338, 357. 



Mosaic dietary legislation, 73. 

 Mott, Dr. F. W.. on bio-chemical 



activity of the brain, 240. 

 Murray Bligh, Dr. J., on 



anaphylaxis, 285. 

 Mutationist, 151 et seq. 

 Mutilation. 110. 290. 

 Mutual aid. 2. 18. 22, 40. 44 69. 102 



147, 170 et seq., 280. 319. 351. 

 v. mutual plunder, 41, 69, 117, 119, 



130, 280. 



Mutual determination, 176. 

 infertility. 132 et sea.. 169. 

 specialisation, 192, 261. 



National defence and national 



integrity, 303. 

 Nations, mutual relations of, 93, 



239. 

 Natura non tacit saltum, 131 et seq., 



152. 213. 299. 

 Nature abhors perpetual in-feeding, 



xxi., 56. 119, 138, 164, 212. 235. 



312. 



and self-fertilisation, xix.. 158. 164. 

 Nature maintains values. 88, 136 et 



sea., 146 et seq., 152 et seq., 



335. 



works with symbiogenetic roots, 



299, 338, 345, 359. 



Natural Selection, 67, 100, 129, 169, 

 277, 333, 360 et seq., 370, 381 

 et seq., 397. 

 Necrosis of cells, 295. 

 Nematode worms, 77, 154, 180. 

 Nemesis, biological, xx., 13, 41, 57, 

 65. 142, 213, 234, 297, 303, 344, 

 350. 

 reproductive, 13, 39, 48, 96, 119, 



181, 234, 323. 

 Neo-Darwinists, 399. 

 Nephritics, 216. 



Nerve-force, 225, 245 et seq., 293. 

 Newtonian dynamics, 186 et seq., 188, 



274. 

 Nicoll. Dr. W., on infection of fish, 



234. 



Nietzsche, 162, 387, 393, 394. 

 Nihil est in intelleictu quod non 



fuerit prius in sensu, 359. 

 Nitrogen, problem of, xxi., 65 et 

 seq., 211 et seq., 225 et seq., 

 299 tt seq., 311 et seq., 317 et 

 seq. 

 derivation by plants, 17, 212 et 



seq. 

 in the form of uric acid, 61 et 



seq., 65. 

 injuriousness of excess, 62, 65, 212, 



et seq., 311. 



supposed shortage of. 64, 66. 

 extreme chemical indifference. 194. 

 use for special functions, 208 et 



seq., 211. 

 dependence and biological 



dependence, 209 et seq. 

 accumulation for purposes of repro- 

 duction, 211 et seq. 

 adequacy according to origin, 215, 



213. 313. 

 metabolism, 63, 214 et seq., 223, 



297 et seq., 311 et sen. 

 Nitrogenous substances, 18. 52, 63, 

 65. 70, 194 et seq., 208 et seq., 

 212 et seq., 293, 311 et seq., 

 317 et seq. 

 inhibiting development. 52, 62. 65 



et seq., 213. 238. 293 et seq. 

 as tissue-food, 222, 224. 

 Noblesse obliqe, 34, 44. 91, 129, 198, 



373. 



Normal feedine. 35, 36. 55. 66. 120, 

 242. 311, 325 et seq., 337 et seq., 

 352. 



Normality, 26, 35. 36. 55. 60, 66, 101, 

 104,' 141, 172 et seq., 175, 202, 

 210 et seq., 237. 270, 325. 

 Nutrition, and symbiogenesis, xvi., 



xvii.. 46. 138. 149. 242. 308. 

 involving Bio-Economics. 6, 32, 34. 

 83, 138, 206, 257 et seq. 



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