372 



INDEX 



Parthenogenesis, 12,* 20. 



Peacock, 162, 164. 



Pearson, Prof. Karl, 217, 223, 240, 



Peckham. G. W. and E., 157. 



Pedley, Mr K. D., 259. 



Phanerogams, 106.* 



Pheasant, Argus, 164. 



Phytogeny, 4.* 



Physical conditions (see Environment), 

 103, 145. 



Physical evolution. See Evolution. 



Pine tree, 114. 



Pipits, 183. 



Placental mammals, 4, 13.* 



Plants, evolution of, 106 ; waste-reducing 

 contrivances of, 113-115, 147; varia- 

 tion in, 130 ; P. and isolation, 185. 



Plateau man, 5. 



Plateau, Prof., 189. 



Play (see Exercise), 117. 



Pneumonia, 246. 



Polar body, 15.* 



Polygamy, 165-167, 172-174, 315. 



Polyphyletic descent, 142*. 



Polytypic evolution, 112.* 



Porter's Progress of the Nation, 226. 



Potential stature, 238 ; P. vigour, 204, 

 206. 



Progress, 102*; progress and evolution, 

 203, 312-316 ; conditions of, 339-350. 

 See China. 



Pronuba yuccasella, 60. 



Proteids, 8.* 



Protoplasm, 8.* 



Protozoa (see Amoeba Infusorians), 33,* 



3 6 >43> 3*7- 

 Pterodactyls, 105. 

 Pupa?, colour of, 50. 



RACE-CHARACTERS, 272. 



Race-energy, 204, 207-215, 231. 



Ranunculus, 78, 191. 



Reason, disintegrating influence of, 288, 

 289 ; reforming religion, 299. 



Recognition marks, 180. 



Regeneration, 28, 44, 63. 



Reid, Mr Archdall, 12, 268, 313. 



Religion, evolution of, 201, 282-294 ; 

 R. and deaf-mutism, 256; connection 

 of with morality, 295-302 ; R. and 

 history, 302-307; R. and military 



rc'hS; - 11 - 3 "' 342 ' 348 ' ' 



Ruffs, 1 66. 



SACCULINA, 91. 



Sandwich Islands, 82, 177. 



Saunders, Dr E. A., 100. 



Savages, appropriation of territories of, 

 304 ; brain power of, 324. See Man, 

 Evolution. 



Sea, the, as highway, 340. 



Sea urchins, 64. 



Sedgwick, Mr Adam, 34. 



Seeds, 113, 115. 



Seeley, Prof. J. R., 288, 307. 



Selection, artificial (see Breeders, 

 Gardeners), 6. 



Natural, Darwin's theory of, 4 ; a 



regulating principle, 31, 39 ; 

 producing stability, 33-35, 66, 

 96-103 ; general discussion of, 

 68-155 ( x > X 5 co-operating with 

 Sexual S., 168 ; among wild 

 animals and among men, 220 ; 

 among civilised men, 216-223 > 

 mitigation of, 201, 223-231 ; 

 restricting parental affection, 281 ; 

 checked by altruism and science, 

 282-293; f r intellectual capacity, 



physiological, 179. 



reproductive, 219, 240. 



sexual. 77, 156-174 (xi); co- 



operating with Natural S., 168 ; 

 among men, 221. 

 Sequoia, 109. 

 Sex, 20. 



Sexual Selection. See Selection. 

 Shakespeare, influence of, 333. 

 Sight, 261-263, 273. 

 Simon, M. Eug., 354, 361, 362, 366. 

 Slavery, 211, 366. 

 Smallpox, 246. 

 Snow, 76. 



Sociability, 72. See Gregarious Animals. 

 Socialism, 275-278, 315. 

 Soma, 22,* 65, 238. 

 Songs of birds, 182. 

 Specialisation, 108, 144. 

 Species, fertile inter se, 6 ; interaction 



of, I03-II2. 



Spencer, Mr Herbert, 57, 88, 122. 

 Spermatozoa, 21, 97, 156.* 

 Spokes, Mr Sidney, 266. 

 Stature, 235-242. 

 Stickleback, 115, 158. 

 Stolzmann, M., 164. 

 Struggle for existence, nature of, 72-77, 



216; among nations, 220; mitigation 



Of, 200, 223-231. 



