302 SCIENCE AND THE HUMAN MIND 



NICHOLAS IV., POPE, 93. 

 NIETZSCHE, 230. 

 Nile, the, 22, 25. 

 Nominalism, 50, 83, 96. 

 Northern race, see under Races. 

 Novum Organum, 122. 

 Numerals, Indian, 77. 



OCCAM, WILLIAM OF, 19, 97, 100, 



145- 



OERSTED, H. O., 183. 

 OLAF TRYGGVASON, 74. 

 Optics, 131. 

 Opus Majus, 92. 

 Opus Minus, 92. 

 Opus Tertium, 92. 

 Organic Chemistry, 194. 

 ORIGEN, 20, 61, 102. 

 Origin of Species ; 206, 211, 212, 



214, 216, 222, 224, 230. 

 OWEN, SIR RICHARD, 213. 

 Oxford, Meeting of the British 



Association, 214. 

 Oxford Movement, 261, 266. 

 Oxford University, 82, 151. 

 Oxygen, 164, 165. 



PALISSY, BERNARD, 202. 

 Paper, invention of, 103. 

 PARACELSUS, 16, 132, 164, 195. 

 Paris, University of, 81, 97. 

 Parthenon, sculptures of, 223. 

 PASCAL, BLAISE, 125. 

 PASTEUR, Louis, 158, 197, 198, 



200. 



Patristic Age, 60. 

 PEARSON, KARL, 243, 267, 270. 

 Periodic Law, 172. 

 Perpetual motion, no. 

 Persia, 17. 



PETER DE MAHARN-CURIA, 94. 

 PETRARCH, 101. 

 Philosophica Teutonica, 18. 

 Philosophy, 6, 8, 33, 62, 69, 125, 



150, 217, 219, 251, 274. 

 Philosophy of change, 277. 

 Phlogiston, 136, 163. 

 Physic gardens, 138. 

 Physiologus, 66. 

 Physiology, 47, H2, 133, 195, 



253- 



PICO DEL MlHANDOLA, IO2. 



Pilgrim Fathers, 227. 

 Pisa, Leaning Tower of, 47. 



Pitchblende, 238. 



PLATO, 34, 48, 49, 62, 82, 88, 217, 



272 

 Platonists, the Christian, 143, 144, 



257. 



PLINY THE ELDER, 54. 

 PLOTINUS, 63. 

 Polarization of light, 173. 

 POPES : 



CLEMENT IV., 92. 



CLEMENT VII., 114. 



JOHN XXI I., 96. 



LEO X. , 102. 



LEO XIII., 187. 



NICHOLAS IV., 93. 

 PORPHYRY, 63, 82. 

 Port Royal, 126. 

 Portugal, 103. 

 Pragmatism, 277. 

 Praise of Folly, 19. 

 PRIESTLEY, JOSEPH, 160, 165. 

 Primitive Culture, 228. 

 PRINCE HENRY THE NAVIGATOR, 



103. 



Principia, 161. 

 Principles of Geology > 203. 

 PROMETHEUS, 26. 

 Proteids, chemistry of, 196. 

 PROUT, 172. 



Psychical research, 143, 144, 257. 

 PTOLEMY, 40, 56, 215. 

 PYTHAGORAS, 16, 39. 

 PYTHIAS, voyages of, 40. 



Quadrivium, 82. 



Rabies, 198. 

 Races : 



Alpine, 13, 224. 



Northern, 9, 13, 15, 17, 19, 30, 

 72, loo, 142, 148, 224, 279, 

 285. 



Mediterranean, 12, 16, 17, 54, 



74, 224, 279. 



Radio-activity, 172, 237, 239. 

 Radium, 238, 239, 274. 

 Rationalism, 19, 83, 149, 279. 

 Realism, 83, 97. 

 Rats, 200. 



"Rattlesnake," voyage of the, 194. 

 RAY, JOHN, 205. 

 " Recessive," 247. 

 REDI, FRANCESCO, 140. 

 Regne Animal, etc., 191. 



