358 



INDEX 



Roux, on sera, 124 

 Rowntree, on temperance reform, 340 

 et seq. 



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 

 Serum, treatment of diseases, 119 

 Sheep, reversion in, 71 ; Ancon, 83 ; 



Mauchamp, 84 

 Sherwell, on temperance reform, 340 



et 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 

 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 



Use-acquirements, 33, 133 ; a high 

 and a late product of evolution, 

 35, 226, 235, 248 



Vaccination controversy, 179 



Vaccinia, modified small-pox, 121 ; 

 death of Esquimaux from, 154 



Variations, definition of, 6 ; occur 

 independently of acquirements, 11 ; 

 and of bi-parental reproduction, 4 9 ; 

 and of the direct influence of the 

 environment, 39, 158 ; spon- 

 taneous, 38 ; cause of spontaneous 

 variations, 95, 165 ; progressive, 

 58, 60, 61 ; regressive, 58, 61 ; 

 influence of new environments on, 

 83 ; magnitude determined by 

 Natural Selection, 82 



Vestigial remains, 88 



Vines, Prof., on a-sexual evolution 

 of fungi, 49 



Voluntary action, 214 ; analysis of, 

 220 



Vries, de, on pangenes, 57 



Walcheren, malaria in, 140 

 Wallace, A. R., on human faculties, 

 237 ; on superfluous energy, 243 



