378 



INDEX 



difference from automatic action, 



257 



Reformation, the, 309 

 Regeneration, 29 

 Regression, in absence of selection, 



45 ; identical with reversion, 59 ; 



in domesticated species, 77 ; in 



plants, 90 ; in civilized man, 106 

 Relapsing fever, immunity to, 117 

 Religion, as educational factor, 295, 



297, 301 ; the Pagan, 305 

 Rentoul, Dr. R. R., on insanity, 350 

 Reptiles, memory in, 226 

 Reversion, in fowls, 62 ; in pigeons, 



62 ; zebra hybrid, 70 ; mules, 70 ; 



in pigs, 70 ; in cattle, 71 ; rabbits, 



71 ; sheep, 71 ; mice, 74 

 Richet, on consciousness and memory, 



223 ; on the attention, 256 

 Rochefoucauld, La, on love, 276 

 Romanes, Prof. G., on recapitulation, 



56 ; on sterility, 100 ; on reason, 



220 ; on memory, 224, 231 ; on 



ants, 228 ; on mental evolution, 



249, 266 ; on instinct, 251 

 Ross, on malaria, 169 

 Roulin, on mules, 70 

 Roux, on sera, 124 

 Rowntree, on temperance reform, 340 



et scq. 



Salamander, regeneration in, 31 

 Salisbury, Lord, on Natural Selection, 



109 

 Samuelson, on the history of drink, 



340 



Sanders, Miss, on reversion, 74 

 Sanitation, limitations of, 336 

 Schneider, on instinct of hamster, 



262 



Scratching, 250 



Seddon,on temperance legislation, 342 

 Selection, reversed, 65, 90, 92 

 Self-control and sobriety, 192 

 Sensations, 209 



Sense-impressions, origin of, 215 

 Senses of lower animals, 211 

 Sernm, treatment of diseases, 119 

 Sheep, reversion in, 71 ; An con, 83 ; 



Mauchamp, 84 

 SherwelJ, on temperance reform, 340 



ei seq. 



Simpson, Sir J. , on parturition, 347 

 Sitaris, instincts of, 222, 262 

 Slums, 336 



Small-pox, attenuation to cow-pox, 

 121 ; evolution against, 153 ; an- 

 tiquity of, 171 ; in America, 182 

 Snails, abundance of varieties, 366 

 Snake venom, attenuation of, 122 



Society for the Study and Cure of 



Inebriety, the, 333 

 Speech, 274, 324 

 Spencer, definition of heredity, 1 ; 



co-ordination of animal parts, 34 ; 



physiological units, 57 ; superfluous 



energy, 243 ; mental evolution, 



249, 266. 



Spider, instincts of, 225, 261 

 Sponge, 30 

 Sports, 83 



Star-fish, reproduction of ray, 31 

 Sterility, inter-varietal, 99 

 Stevenson, R. L., on small-pox and 



tuberculosis, 183 

 Struggle, of parts, 92 ; of germinal 



elements, 93 



Stylites, St. Simeon, 296, 307, 308 

 Sugar, as article of diet, 240 

 Superstition, definition of, 302 

 Sutton and Co., on the cultivation of 



flowers, 79 

 Syphilis, acquired immunity to, 127 ; 



congenital, 128 ; restricted to man, 



169 ; antiquity of, 170 ; originated 



in Eastern Hemisphere, 175 



Tadpole, regeneration of tail, 31 



Taylor, Sir W., on physical deteriora- 

 tion, 331 



Tegetmeier, on fowls, 72 



Telegony, 26-27 



Thomson, on measles in Polynesia, 

 151 



Tobacco, habituation to, 120 ; im- 

 munity to, 207 ; in relation to 

 evolution, 207 



Toxins ; connection with immunity, 

 116 ; vegetable, 120 ; habituation 

 to, 120 



Traditions, among lower animals, 229 



Triton, regeneration in, 31 



Tuberculosis, alleged cause of varia- 

 tions, 28, 159 ; a crowd disease, 

 141 ; in prisons, 141, 148 ; in 

 barracks, 145 ; in Ceylon, 141, 

 149 ; in Western Hemisphere, 144, 

 146, 182 : in Negroes, 148 ; Negroes 

 not the most susceptible race, 150 ; 

 immunity to, 112 ; antitoxic treat- 

 ment of, 117 ; evolution against, 

 140, 146 ; not a cause of filial 

 insanity, 159 ; antiquity of, 170 ; 

 spread of, 177, 180 ; relation to 

 civilization, 180 ; banishment of, 

 337 



Twins, identical, 282 



Unicellular organisms, Natural Selec- 

 tion in, 19 



