INDEX 



327 



Open-mindedness, 270, 302 



Organization of germ, 195-197 



Organized science, 3 



Origen, 48 



" Origin of Species," 98, 166, 173, 



175-180, 186, 310 

 Osborn, H. F., 11, 34, 160, 317 

 Ovists, 189 

 Ovum.. 122, 127 



Pacioli, 72 



Packard, A. S., 170 



Paganism and Christianity, 45-46 



Paracelsus, 73 



Parasites, 149 



Parasitology, 218 



Parker, G. H., 145 



Parthenogenesis, 190-191, 201, 202 



Pascal, 74, 83 



Pasteur, 150, 151 



Pathology, 120 



Pearl button industry. 255 



Pearson, Karl, 225 



Pergamum, 39 



Persecution, 54, 109, 113, 114, 303, 



305, 307 

 Perugia, 87 

 Peter of Apono, 76, 82 

 Petrarch, 76 ; 82, 89, 297 

 Philistines, 27 

 Phillips, E. F., 190 

 Philosopher, influence of the, 113; 



in relation to science, 111 

 Philosophers, 159, 166, 167 

 Philosopher's stone, 59 

 " Philosophic Zoologique," 167, 170 

 Philosophy in relation to everyday 



life, 113; evolution, 311; religion 



in Greece, 30-31; science, 111, 113, 



223; theology, 74 

 Philosophy, of scholasticism, 68; 



origin of modern, 112; The Aris- 

 totelian vs. Platonic, 34 

 Phlogiston-theory, 83, 97 

 Phoenicians, 19, 102 

 Physical degeneration of Romans, 44 

 Physical science, 72, 83, 84, 94, 97, 



119 

 Physico-chemical study of biological 



phenomena, 218 

 Physiologi, 50, 76, 85, 87 

 Physiological processes, cellular basis 



of, 146-149 



Physiology, 84, 182, 183 

 Platonic philosophy, 34 

 Pliny, the elder, 39, 78 

 Plow, 20 

 Po river, 78 



Polarity, 198, 200 



Post-Darwinian Period, 167, 171 



Postal system, 23 



Potter's wheel, 20 



Pottery, 17 



Pound, 23 



Poverty, 298 



Power-driven machinery, 105 



Power loom, Cartwright's, 105 



Practical inventions, 104 



Practical needs in relation to theo- 



retical knowledge; see Theory and 



Practice 

 Practical vs. theoretical knowledge, 



104, 106; see also Theory and 



Practice 



Preformation, 145, 164, 193-197 

 Presence-and-absence theory, 137 

 Preyer, 211 

 Primitive ideas of Cosmos, 75; see 



also Cosmogony 



Prince Henry, the " Navigator," 71 

 Printing, 74 



Probability, theory of, 74 

 Professional growth, 301 

 Progression, in geological record, 176 

 Propaganda, 280-281 

 Protective resemblance, 172 

 Protoplasm, 121, 123 

 Protozoa, 85, 152, 247, 248 

 Protozoology, 218 

 Providence, visitations of, 100 

 Psychology, 280 

 Ptolemaic system, 241 

 Ptolemy of Alexandria, 35, 39, 82 

 "Puch der Natur," 85, 86 

 Pure science, 107-108, 250 

 Puritans, 305 

 Pyramid Age, 20 



Quarryman, illustration of, 231 



Race suicide of Romans, 44 



Radium 97 



Rationalism, 65, 74, 75-91, 94, 95, 



110, 111, 114 

 Ray, John, 73, 88 

 Reality, internal and external, 223- 



227 



Reality, scientific, 227 

 Recessive, 139 



Red heaaed man on horse, illustra- 

 / tion of, 239 

 ^ 73, 85, 100, 188 



Reformation, 82, 91, 110 

 Regeneration, 198-200 

 Regulation, 198, 200 

 Reid, Archdall, 316 



