ISO 



INDEX 



Nervous system, 115; of plants, 



121 

 New Zealand, 122 

 Nobel Institute, 118 

 Norway, 24, 117 

 Nova Guinea, 114 

 Nucleic acid, derivatives of, 114 

 Object of science, 3 

 Obligation vs. motive, 64 

 Ocean depths, 118 

 Order of importance, 54 

 Organic syntheses, 110 

 Organisationcentrum theory, 72, 



77 

 Organismal theory, 72 

 Organism, unity of, 74 

 Origin of species. 111 

 Otago, University of, 122 

 Outstanding biological workers, 



92 

 Oxalines, 113 

 Parasitology, 49 



Parthenogenesis, artificial, 37, 110 

 Philippines, xi 

 Philosophical progress, 54 

 Philosopher vs. historian, 2 

 Philosophy, 46; and modern 



scientific thought, 59 

 Photographer vs. scientist, 4 

 Photosynthesis, artificial, 40, 107 

 Physical apathy, 14; trauma, 13 

 Physics, 34, 116 

 Physiology, 52 

 Plankton, 39, 106, 117 

 Plant control, 49 

 Plasmogeny, 12, 85 

 Poison, 13 



Poland, 116 



Portuguese, 120 



Pragmatism, 60 



Prague, University of, lOS 



Preventive medicine, 40 



Pribilof Islands, 26 



Primitive ancestors, 53 



Probity, intellectual, 55 



Progress, philosophical, 54 ; scien- 

 tific, 16 



Prophylaxis, 113 



Protoplasm, 45, 108 



Protozoan reproduction, 115 



Provocative theories, 72 



Pseudoresearch, 18 



Psychic, apathy, 14; trauma, 14 



Psychology, animal, 111; com- 

 parative, 38 



Psychological reactions of bio- 

 logists, 23 



Purposive evolution, 96 



Quarterly Review of Biology, xi 



Questions asked of world's bio- 

 logists, viii 



Racial psychology, 57 



Radioactivity, 108 



Reduction of chromosomes, 117 



Reifung der Geschlechtszellen, 

 117 



Revolutions, 28 



Rockefeller Institute, 101, 119 



Rosario, 102 



Roux's experiment, 32 



Rubber, chemistry of, 119 



Russia, 16, 17, 26, 116 



Salt deposits, 114 



Sao Paulo, 99 



