Index. 399 



Sexual selection, Darwin's liyjiothesis of, ;!1-41 ; its place in evolution. Us, li8!); 

 how it operates, •_':«!; in luiinicry, ;i()s-30!». 



Skilton, , lames A., on IliTlicrt iSiiencer, 19-21 ; on vegetal evolution, 135; on evo- 

 lution of society, L'ii:i-2L'7. 



Social Statics, when nnhlished, 5; Mr. Spencer's dissatisfaction with it, 5, 20, 

 220 ; principle set forth in it, 230. 



Socialism, 380. 



Societary evolution, 203-230. 



Society an orjranism, 217, 27.H, and iirifr. 



Sociolofjical flection of Birmingham, Kng., Xat. Hist. Society, letter from, re- 

 cognized, 3!>1. 



Sociology, Principles of (see "Principles of Sociology"). 



Solar an<l planetary evolution, 55-75. 



Special senses, evolution of, IKC. 



Spencer Herbert, his life and works, S-22; letter from, 10; the most notable arl- 

 vocate of evolution before Darwin, 32; his early essay on development, ;i'i; 

 his re(;eption of Darwin's Origin of Species, 40;"his sociological table.-^, l.jli; 

 his contribution to the theory of evolution, 142; relation of his philosophy 

 to the doctrine of the e(UTelation of forces, 180 ; his jjsychology, 181, IStJ, 187, 

 188, ISO, 100, 100; doctrine of the TTnknowable, 181, 240, 250 note, '251, 331-3:34, 

 350-3.")3, 31V4-305 ; his criticism of Romanes, 185; his ethics, 105, 2.")9 -2«U, 2GG, 

 268-280; his sociology 203, 204, 217-223, 228, 220,230; on the temi)orary 

 nature of government. 230; on ancestor-worship, 2.'i5, 2.37-2.'J0; on myth- 

 making, 240; his definition of life, 2f>6 wo/^; on design, 312; liis religious 

 views criticised, 320 -;i;i4; liis jiliilosophy, ;i48, a50, 353; his doctrine of the 

 interdepeudency of mind and matter, 303. 



Spencer, Kev. Thonias, 4. 



Spiritualism and materialism compared, .3.54- 305. 



Spontaneous generaticm, 125-li:(;. 140, 100, 300-310, 31.">. 



State socialism, judged by evolution, 380-381. 



Stevens, Prof. W. Le t'onte. on geological evolution, 104-107. 



Stratified rocks, formation of, 84. 



Study of Sociology, 104, 203. 220. 



Sympathetic origin of altruistic feeling, 104-195, 267. 



Taylor, JOHX A., on the evolution of society, 22!) ; on the effects of evolu- 

 tion on civilization, 388-;)80. 



Tennyson, Alfred, his glorification of war, .360. 



Teutonic mythologies, in theological evolution, 242. 



Theism, as related to evolution, 16-17, 22, 46, 103. 107, VX^-V.•A, 143, 154, 156-1.57, 

 216, 228, 2:!3-253. 



Theologv, Evolution of, 233-253. 



Theory of population, 5, 20, 21, 148,172-173, 208-212, 260-261, 263-264. 



Thomi)son, DanieUireenleaf, on Herbert Spencer, 3-18. 



Thomson, Sir "William, his theory of the meteoric origin of life, 160. 



Tolstoi, Count Lyof X., his social ideal, .'570-371, 373, 378. 



Transcendentalism, as related toevoInti<m, 327, 346-347. 



Treviranus, an early advocate of evolution, 32. 



T\aidall, I'rof. John, his intimacy with Herbert Spencer, 8; on matter and life, 

 310. 



XJNKXO'WABLE, Spencer's doctrine of, lG-17, 22 ; the doctrine critici-sed, 49-50, 

 199, 227,3.50-^53; the i)rinciplc, as stated by William I'otts, l;j3; by Dr. 

 Eccles, 181-182,300; by Z. S. Sampson, 240-250; as related to religion and 

 science, 331-334; to philosophy, 350-353, 364; the i>hilosophical basis of 

 monism, 365. 



Uniformity, the doctrine of, 05, 344-346. 



Utopia, More's, 369. 



"VAX DEii Bkoek, Prof. T. H., his advocacy of evolution in Holland, 51. 



Van der Weyde, Dr. P. H., on Danvin, bn-'A ; on the nebular hypothesis. 73; on 

 Darwin's letter, 157 ; on jihysics and metajjliysics, 2K3. 



Variations, artificial, 3.'5; as stated bv Darwin, 35; in plant-life, 115-118; in ani- 

 mal life, 147-148, 151-154 ; origin of, 164-166. 



Vedas, 242. 



Vegetable mould, the formation of, 29. 



Vegetal life, evolution of, lll-i;j6. 



Virchow, Prof., his ojjjjosition to Darwinism, 17.'J. 



Vestiges of Creation, 32, 51. 



Vogt, Prof. Carl, on vegetal evolution, 131 ; on missing links, 305. 



Volcanic Islands. 20. 



