BIOLOGY IN HUMAN AFFAIRS 



Native tendencies, 99 



Naturalism, 56 



Nature and nurture, 87, 98, 103, 104, 



106, 180 

 Neo-mechanism, 7 

 Nephritis, occurrence of, parallels 



protein consumption, 380 

 Nervous system, central, 25, 62, 86, 



177, 180, 183, 277 

 Neuchatel, 160 

 Nevi^ton, Isaac, 29, 185 

 Nilsson, 349, 355, 356 

 Nordics, 38 



Nucleus, cell, 20, 175, 176 

 Nursery school, 70 



O 



Obesity, causes of, 226, 227 



treatment for, 228 

 O'Connor, Johnson, 139, 146 

 Oedipus, 79 



■"Origin of Man, The," 38 

 O'Rourke, 137 

 Ostwald, 21 

 ■'Out-group," 42, 43 

 Overpopulation, 24 



Oxygen, necessity for increased supply 

 of, during exercise, 274, 275 



as nutrient principle, 364 



Padua, 17 



Page, Richard M., 157 

 Paleontology, 21 

 Pancreas, 225, 236 

 Paramoecium, 316 

 Parasitism, definition of, 295 



emphasis on, with advance of civili- 

 zation, 252 

 Parasitology, new field of research 



opened up by revelations of, 247 

 Parathyroids, function of, 289 



results of removal of, 288, 289 



Parental instinct, 36 



Pasteur, 198, 231, 234, 244, 263 



Pavlov, 63, 86, 97 



Pears, Bartlett, 320, 324, 331 



Pearson, Karl, 40 



Pellagra, cause of, 251, 377 



characteristics of, 251, 376, 377 



treatment for, 251, 377 

 Pennock, G. A., 129 

 Penological system, reforms in, 191 

 Pernet-Ducher, Jules, 340 

 Personality traits, cultivation of, 107 



inheritance of, 105 



tests of, 112, 113 



warping of, 113 

 Personnel Journal, 129 

 Personnel Research Federation, 150 

 Pestalozzi, 68 

 Peter of Abano, 17 

 Pfiffner, 303 

 Phagocyte, 207 

 Pharaohs, 341 



Phi Beta Kappa, elections to, 89 

 Philadelphia Electric Co., use of 



psychological tests by, 136 

 Philippines, 370 

 Philosophy, 7, 54, 61 

 Phrenology, 60 

 Physics, contributions of, 253 

 "Physiological Psychology," 61 

 "Physiological Psychology among the 



Greeks," 55 

 Physiology, birth of, 20 



first chair in, 62 



human, 277, 278 



results of application of physical 

 methods to, 277 



trends of modern, 272, 276 

 Phytophthora, ravages caused by, in 



Ireland, 318 

 Pilgrims, importation of seeds by, 321 

 Pineal gland, 58 

 Pinel, 71 

 Pizarro, 320 



[394] 



