INDEX 



Abderhalden, E., i, 102 



Absolutism, metaphysical, ii, 151 



Acacia, ii, 99 



Accidental products of chemical 

 change, i, 111 



Acorns, storing of, by woodpeck- 

 ers, ii, 269 



Acromegaly, ii, 124, 137 



Action, autocatalytic, ii, 107 



Action-system, ii, 216 



Activity, adaptive, excessiveness 

 of, ii, 257 



Activities, instinctive, tendency to 

 excessiveness of, ii, 256, 268 



Adaptation, of neural activity, ii, 

 183 



Adaptive parallelism, i, 335 



Adaptiveness, ii, 241 ; of subra- 

 tional psychic activities, 250 



Adrenal glands, and nervous sys- 

 tem, ii, 131 



Adrenaline, chemical composition 

 of, ii, 123 



Adrenin, in blood, ii, 131; effects 

 on fatigued muscles, 181 



Adsorption, meaning of, ii, 344 



Adventitious buds, i, 38 



Aggregation, principle of, i, 182; 

 of protozoa, 268; and synthesis, 

 ii, 236 



Air, in relation to consciousness, ii, 

 290; breath, and spirits, 338 



Albumen, living and dead, distinc- 

 tion between, i, 78 



Alchemy, ii, 288 



Alcyonaria, ii, 97 



Aldrich, T. B., ii, 123 



Alga, i, 41 



Allen, B. M., on origin of sex- 

 cells, i, 73; on removal of thy- 

 roid, ii, 145 



Alternation of generations, i, 316 



American biologists and organis- 

 mal theory, i, 11 



Amoeba, complexity of, i, 289; to 

 man, 291 ; as organism and as 

 cell, 297 



Amours, of fishes, ii, 266 



Amphibia, i, 204 



Amphioxus, on isolated blasto- 

 meres of, i, 204; on graded 

 series in, ii, 106 



Analysis, in biological reasoning, 

 ii, 206; and abstraction, 234; and 

 synthesis, 235; remarks on, 236; 

 of organic substance, 341 



Anatomist, of protozoa, i, 286 



Ancestral, i, 290 



Anger, ii, 132, 317 



Animal, odors of, i, 84; behavior, 

 ii, 208; human, 284; kingdom, 

 284 



Animals, as analytical chemists of 

 one another, i, 88 



Annelids, ii, 192 



Antagonisms, ii, 175; within au- 

 tonomic nervous system, 178; co- 

 operative, 178 



Anthropologist, ii, 285 



Anthropology, ii, 227 



Anthropomorphism, ii, 201 



Anti-bodies, i, 100 



Anticipatoriness, ii, 242 



Antigens, i, 100 



Ants, behavior of, ii, 257, 279; 

 larval, spinning of cocoon by, 

 311 



Aphids, i, 353 



Appendicularia, ii, 3 



Apperception, relation to tropisms, 

 ii, 221; definition by Wundt, 

 233; real nature of, 243 



Apples, odor of, i, 87 



Argon, ii, 341 



Aristotle, i, 2; ii, 278 



Arrhenius, S., i, 101 



Art, creativeness in, ii, 223; crea- 

 tive impulse in, 227 



391 



