INDEX 
Abridgment of memory and 
ontogeny, 326. 
Accessory idioplasm, 137. 
Acclimatization, 371. 
Accumulation, mnemonic, 
399; specific, 374, 400. 
Accumulators, electric or nerv- 
ous, 290 ff, 296 ff, 309, 310, 
322, 341 ff; paired, 341, 353. 
Actinia equina, 372. 
Adaptation functional, 124, 127, 
174, 180, 203. 
Affective tendencies, 358; defined, 
361; eliminative, 365; particu- 
lar, 369; subjectivity of, 377; 
originated by habit, 378; dis- 
tinguished from emotions, 390; 
hypertrophied, 393. 
Affinity, vegetative, 92; of differ- 
ent tissues, 90. 
Agassiz, researches upon asym- 
metrical flat fishes, 217. 
Alessandrini, results of the ab- 
sence of the spinal cord, 305. 
Allonnes, d’, Les inclinations, 376; 
391, 392. 
Amblystoma, 307. 
Amphimixis, 194, 195. 
Amphioxus, 80, 133. 
Amputations, non-inheritance cf 
effects of, 160, 174. 
Anachronisms of development, 
66, 112. 
Anesthetics, 43. 
377; 
Anentoblastia (absence of the 
entoblast), 112. 
Annelids, heteroplastic grafts in, 
go. 
Anthropoid apes, 12, 13. 
Antibacterion, 272. 
Arbacia, 101. 
Arrests of development, 98. 
Ascidians, 80. 
Ass, pad of fat in the colt of the, 
165. 
Assimilation, 332, 336. 
Association of ideas, 201, 330. 
Asteria, 60, 101. 
Atavism, 144. 
Atavistic reversion, 98, 100, I9I, 
280. 
Axolotl, regeneration in, 20, 307. 
Bachmetjeff; inheritance of al- 
terations, 174. 
Bain; pleasure in killing, 386; 
simple affectivities into com- 
plex, 388; sentiment of justice, 
389; pursuit of pleasure, 304. 
Balbiani (Note) fission in in- 
fusoria, 54. 
Baldwin; choice, 397. 
Bard; vital induction, 231; cell 
proliferation, 230; biogenetic 
theory, 230; vital phenom- 
enon, 333. 
Bardeen, Charles Russell; note, 
heteromorphosis, 88. 
401 
