546 



THE LAWS OF HEREDITY 



Regeneration, 10 



Regression, filial, 134 



Reid, Archdall, on Mendelian hypotheses, 



174, 180; on imbecility, 470; on mental 



deterioration, 474 ; on scientific method, 



S.I7 



Rejuvenescence, 147 

 Relations between facts, 38, 46 

 Religion, mental effects of, 427 ; and science. 



488 

 Religious teaching, mental effects of, 486, 



488 



Renaissance, the, 427 

 Reproduction, alternative, 145, 149 ; blended, 



149, 193, 195 



Resemblance between parents and offspring, 

 21 



Retrogression, explanations of, 108 ; con- 

 ditions of, no; the cause of total loss of 

 traits, 115 ; identical with reversion, 116 ; 

 utility of, 119 ; part played in evolution by, 

 121 . 533 I causation of, 122 ; of mutations, 

 171, 196; caused by blending, 197 et seq. ; 

 of human races, 223 ; of instincts, 380, 384 ; 

 in relation to alcohol, 458 



Reversion, the two kinds, 117 ; masking of, 

 117 ; in pure races, 165 ; of imbeciles, 425, 

 470 



Reversed, selection, 108 ; function of, 123 



Revitilization by conjugation, hypotheses of, 

 147 



Richet, on memory, 406 



Ricin, acquired toleration of, 247 



Ridge, Dr J. , on alcohol, 296 



Rinderpest, 275 



Romans, rise and fall of, 427 



Romanes, on evolution, n ; on transmission 

 of acquirements, 62 ; on memory, 406-7 



Roux, experiments on serum, 240 



Rowntree and Sherwell, on temperance legis- 

 lation, 462 et seq. 



Royal College of Physicians, description of 

 the feeble-minded, 467 



Royal Commission, medical evidence before, 

 74, 444, 484 ; on tuberculosis, 454 ; Canadian, 

 on intemperance, 464 ; on Care and Control 

 of the Feeble-minded, 467 et seq, 



Russia, drinking in, 320 



SAMUELSON, on drinking in Greece, 300 ; in 



West Africa, 304 ; in Germany, 304-5 ; in 



China, 306 



Sanders, Miss, on segregation, 154 

 Sanitation, improvement of, 227, 273, 277 ; 



external and internal, 450 

 Saprophyte, evolution into parasite, 88, 266 ; 



retrogression from parasite, 88 

 Savages, food supply of, 269 ; and alcohol, 



298, 306 ; English child trained by, 420, 



430 ; instincts of, 423 ; religion of, 488 

 Scarlet fever, infectivity of, 228 

 Schools, epidemic disease in, 273 ; influence 



on children, 430, 433, 481 ; biological, 31, 



School-master, aims of, 479 

 Schopenhauer, on mind, 335 

 Science, nature of, 36 et seq. ; warp and woof 

 f> 355. 5 11 ; antagonisms to religion, 488 



Sciences, differences between, ^etseq., 502 et 

 seq.; exact, 35 et seq. ; the most scientific, 47, 

 345; deductive, 47, 213 et seq., ^o^efseq., 

 514 ; systematic, 354, 502 



Scientific distinguished from science teaching, 

 502 



Scott, Dr D. H., on adaptation, 392 



Sebright bantam, 146, 165, 189 



Sectarian differences, definition of, 32 ; in 

 biology, 32, 508-9 



Segregation of allelomorphs, 153 ; the central 

 doctrine of Mendelism, 154; disproof of, 

 165, 173 et seq. 



Selection, natural distinguished from artificial, 

 r 77 I by violent death, 66 ; by slow decay, 

 67 ; when operative, 92 ; among germ-cells, 

 96 ; varyirig stringency of, no et seq., 256, 

 296 ; experimental evidence, 73 ; by disease 

 and alcohol, 98 ; by alcohol and opium, 

 309 ; in slums, 447 ; effects attainable by, 

 450 ; test of, 222 ; germinal, 109 ; reversed, 

 108, 123 ; function of, 202, 529 ; human, 

 224 



Selection theorist, 151, 390 et seq.; inference 

 consequences from, 194-5 



Selective breeding, human, 439 



Self-control, 290, 425 



fertilization, 2, 194, 204 



Sensations, 370 ; caused by alcohol, 285, 287 

 et seq. 



Senses of civilized man, 223 



Sense-impressions, 332 et seq. , 338 



Serum, antitoxic, preparation of, 240 ; nature 

 of, 248 



Sex, an adaptation, 144 ; effects of, 188, 193 ; 

 function of, 144, 148, 149, 193, 197, 199, 

 202, 204, 209, 389 ; diagrammatic repre- 

 sentation of, 517 et seq. 



Sexual traits, latency of, 113, 145 ; trans- 

 ference to opposite sex, 146 ; alternation 

 of, 145, 159, 189 ; dominance of, 189 ; 

 normal blending of, 195 ; abnormal blend- 

 ing of, 146 ; transmission of, 523 



dimorphism, 142 



beauty, appreciation of, 423 



Sherwell and Rowntree, on temperance legisla- 

 tion, 462 et seq. 



Sight, sense of, 327 



Skill in thinking, 339, 342, 400, 401 et se-/.. 

 485 et seq., 500 et seq., 504, 511 



Skin colour, reproduction of, 174 



Sleeping sickness, 229, 271 



Slums, 39 ; prevalence of disease in, 257, 275 ; 

 alcoholism in, 296 ; physical deterioration 

 in, 446 et seq. 



Small-pox, 273 ; change to cow-pox, 238 



Smith, Mr Geoffrey, on Rhizocephala, 114 



Snails, differentiation of, 181, 202 



Snake venom, attenuation of, 242, 247 



Sneezing, 371 



Solon, condemnation of intemperance, 300 



Somatic cells, relations to germs, 3, 5 ; re- 

 sisting power of idio-plasm, 94 ; function 

 of, 124 



Space, knowledge of, how acquired, 330, 341 



Spanish plantations in West Indies, 280; 

 empire in America, 282 



Spartans, drinking customs, 300 



Species, ever-sporting, 180 



Specific mean, 66 



