422 



SYMBIOGENESIS 



Sleep, 248. 



Sluggishness, 199, 234, 248. 



Small-pox, attracting scavengers, 65. 



Smith, Adam, 105. 



Smith, Geoffrey, on crab and saccu- 



lina, 292. 

 Snakes, 136, 209. 

 Social life, 25, 34, 52 88 91, 98, 142, 



159, 188, 219, 260 et seq., 373, 



385 et seq. 

 Sociological aspects of symbiosis, 71, 



309. 



Socrates, on depravity, 89. 

 Sodom, 154. 

 Soil for disease, 57, 60 et seq., 66, 



198, 213, 294 et seq., 308 et seq., 



310 et seq. 



Somatic cells, 26, 31, 32, 265, 280. 

 Soya, bean, 322. 

 Sol-formers, 191. 

 Specialisation, 18, 52, 81, 94, 122, 133 



et seq., 162, 164, 167 et seq., 



170, 180, 192, 204, 208 et seq., 



234, 258, 263, 266, 274, 332, 337 



et seq. 

 Species, as changed by customs, 59, 



148, _ 300. 

 originating symbiogenetically, 76, 



79, 86 et 'seq., 132 et seq., 171, 



compared to nations, 120 et seq., 



260 et seq. 

 as a continuous whole, 121, 363 ct 



seq. 



good or bad, 161 et seq.., 323, 337. 

 losing through expediency, 178, 



262, 337. 



constancy thereof, 25, 300. 

 in morbidity, 323, 344. 

 according to nutrition, 326, 344, 



363, 378. 

 Spencer, Herbert, on genesis of heat 



in seeds, 28. 

 on the dynamics of growth, 84 et 



seq., 150, 257 et seq., 275. 

 on transmission, 85. 

 on biological economy, 85 et seq. 

 on adaptive modifications, 91 et 



seq., 130, 274. 

 on initial size and bulk, 94 et seq., 



97 et seq. 



on quality of food, 97, 98, 259. 

 on surplus of assimilative power, 



99. 

 on unlikeness of bulk, 99 et seq. 



on uneness o u, et seq 

 biological analysis, 101, 105, 254 



ct 



seq. 



on the crocodile, 105 et seq. 



on Principles of Biology, 185 et 



seq., 259 et seq., 

 his merit, 97, 185, 252 et seq., 



259. 



on organic matter, 185 et seq., 

 217 et seq. 



on Catalysis, 193. 



on behaviour of nitrogen, 194 et 

 seq. 



on " component " values, 194 et 

 seq. 



on accumulation of waste matter, 

 199 et seq. 



on colloidity and crystallinity, 200 

 et seq. 



on sensibility, 206. 



on quasi-mechanical forces, 206 ft 

 seq. 



on osmosis, 207. 



on differences of organic character, 

 208. 



on nitrogen dependence, 208. 



on Fungi, 208. 



on proneness of nitrogenous com- 

 pounds to decomposition, 212. 



on ferments, 212. 



on life, 221, 250 et seq., 259. 



on heat-production, 221. 



on tissue food, 222, 224. 



on phosphorescence, 224 et seq. 



on sensation of taste, 225 et seq. 



on nerve-force, 225, 245 et seq. 



on sensible motion, 249. 



on persistence of force, 249. 



on status, 251 et seq., 254, 257 ct 

 seq., 280. 



on development, 258 et seq. 



on function, 260 et seq. 



on waste and repair, 263 et seq. 



on physiological units, 264 et seq. 



on regeneration, 264 et seq. 



on polarity, 265 et seq. 



on individuality, 264 ct seq. 



on variation, 270 et seq. 



on correlation, 261, 275. 



on evolution, 275 et seq. 



on distribution, 275 et seq. 



on fitness, 275. 



on depredation, 278 et seq. 



on evils accompanying evolution, 

 277 et seq. 



on happiness, 277 et seq. 

 " Sports," 151 et seq. 

 Stability, 227, 332. 

 Status, xx., 8, 13, 18, 27, 44, 67, 88, 

 91, 131, 209, 214, 237, 249, 254, 

 257 et seq., 280 et seq., 293, 

 359, 367, 373. 

 Sterility, following inflation, 62. 



following introduction of impu- 

 rities, 151 et seq. 



due to loss of symbiotics, 177. 



of hybrids, 177, 359 et seq. 

 Stevenson, R. L., on Kinship of 

 life, 385. 



