INDEX 



421 



on freedom and frugality, 384. 



on false thinking, 395. 



on value of hygiene, 402. 



on physioligical factors, 383, 402. 



on flesh eating, 402. 

 Roylance Kent, C. B., on Dar- 

 winism and Evolution in 

 Human Society, 381. 

 Rudimentary organs, 362. 

 Ruminants, 17. 

 Ruskin, on wealth, 159, 380, 394. 



on the art of predaceous nations, 

 174. 



on restraint in art, 174, 380. 



on aristocracies, 386. 



on beauty, 184, 380. 394. 



on nations, 303, 374, 393 et seq. 



on loyalty, 380, 404. 



on science, 396. 



" Rust " fungus disease, 152 et seq., 

 180. 



Sabre-toothed tiger, 337. 

 Sacculina, 292. 



Sacrifice, of sex and evolution, 292. 

 Safeguards, against reversion, 19, 



134 et seq., 151, 272. 

 against, depredation, 236 et seq. 

 Salmonidce 165. 

 Salt, frequent retarding effects of. 



Saprophytism, 54 et seq., 61 et seq., 



65 et seq., 211. 

 Scavengers, evolution of, 61 et seq., 



67, 117, 299. 

 Schiifer. Prof. E., on colloidal 



solutions, 226. 



on internal secretions. 236, 242. 

 Schelling, definition of life, 250 et 



seq., 259, 264. 

 Schiller, Prof., F.C.S., on Eugenics, 



75. 



Schiller, 19, 217. 367, 402, 404. 

 Schizomycetes, 113. 

 Science and common sense. 188. 

 Secretion, 242 et seq., 244. 

 Seeds, high ratio of nitrogen con- 

 tents, 208 et seq. 

 as sources of albumen, 21. 212. 

 as sources of vitamines, 30 et seq., 



227 et seq. 

 Segregation, 133 et seq., 147 et seq., 



152 et seq., 161 et seq., 169 et 



seq., 176, 271. 300. 

 Self-adaptation, 267 et seq., 270. 368. 

 Self-destructive propensities, 65, 67, 



331. 

 Self-fertilisation, xix., 154 et seq., 



175 et seq., 179. 

 Self-fertile plants, 178. 

 " Selfing," 140. 

 Self-pauperisation, 270, 342, 368. 



Self-preservation, xiv., 40, 88, 298, 



330. 

 Self-protection, 235 et seq., 325. 



330. 



" Self-pruning," 154 

 Self-regulation, 264. 

 Self-sterility, 179. 

 Semper vivum, 80. 

 Seneca, 65, 331, 397. 

 Senility, 204, 213. 

 Sensibility, 206. 



Sensible motion and symbiosis, 249. 

 " Sensitising," compared to exces- 

 sive pruning, 288 et seq., 296. 

 Sensibility to poisons, 285 et seq., 



288, 289, 296. 

 to injections of toxic substances, 



285 et seq., 288. 

 ingestion of certain foods, 285 et 



seq., 319 et seq. 



Separation, of plant and animal, 18. 

 Serum, 227, 285, 294 et seq., 306 et 



seq., 312 et seq. 

 Sessile animals, 248, 256. 

 Sex, the sacred flame of, xvi. 

 evolution of ; 21, 168, 190. 

 requiring highest forms of sym- 

 biosis, 27, 120, 190. 

 and bio-economic stimulation, 27, 



120. 

 and fixation of biological values, 



168. 

 and alternative inheritance, 167 et 



seq. 

 " explosive " behaviour of, 225, 



350. 



Sexual reproduction, depending on 

 adequate food, 27, 36, 38, 44, 

 52. 55. 

 requiring reduction of surfeit, 38 



et seq. 



of the lichen, 68 et seq. 

 an instance of successful co-opera- 

 tion, 119, 150 et seq., 265. 

 Shackleton, Sir E., diet in Arctic 



region, 216. 

 Shakespeare, on beauty and utility, 



175. 

 Shelley, on humaneness, 380, 393 et 



seq. 

 Shelton, H. S., on geological time, 



on the " lime-habit," 132. 



on Mendelism, 132 et seq. 

 Shrubs, 237. 



Similarity, hereditary, 138 et seq. 

 " Simple life," 36, 347. 

 Simmonds, C., on alkaloids, 235. 

 " Simplification." 255. 

 Simultaneous changes, 131. 

 Sismondi. 380. 



Skene, M., on sulphur bacteria, 113. 

 Slavery, 159. 



