INDEX 



ABNORMALITIES, 6, 74 ; usually 

 harmful, 17 ; prepotency of, 83 



Acquirements, definition of, 5 ; not 

 inherited as such, 10 ; resulting 

 from use, 17, 32 ; mental and physi- 

 cal of frog, 230 ; stereotyping of 

 mental, 245 



Actions, voluntary, 214, 220 ; reflex, 

 214 ; protoplasmic, 215 ; deliberate, 

 218 ; rational, 220 ; instinctive, 

 221 ; automatic, 245, 252 ; auto- 

 matic as substitutes for instincts, 

 259 



Adaptability, 237 



Alcohol, mortality from, 190 ; motives 

 for drinking, 190 ; susceptibility 

 to charm of, 192 ; growth of craving 

 for, 194 ; strength of craving for, 

 206 ; as alleged cause of variations, 

 195, 197 ; antiquity of use of, 195 ; 

 consumption per capita of, 200 ; 

 racial peculiarities in relation to, 

 200 ; climate, 203 ; potency, 203 ; 

 environment, 204 ; memory of past 

 disasters, 204 ; civilization, 204 ; 

 education, 205 ; evolution against, 

 196 



Alcoholism, cure of, 339 



Alienists, on causation of variations, 

 159, 195 ; on physical deterioration, 

 333 



Alison, on racial peculiarities, 290 



Alternation of generations, 55 



Animals, social, 227 ; fearlessness of, 

 229 ; capacity for domestication. 

 238 



Ant, memory in, 228 ; reason in, 229 



Anthrax, 118 ; attenuation of, 122 ; 

 lethal dose for rabbit, 129 



Antitoxin, preparation of, 119 ; nature 

 of, 122 ; action of, 123 



Antivenene, 122 



Apple, reversion in, 77 ; crossing, 97 



Artemia, mutations of, 353 

 Attention, the, 254 ; concentrated, 



258 

 Avebury, Lord, on larvae, 89 



Baldwin, Prof. Mark, on plasticity, 



33, 244 



Bat, unknown sense of, 212 

 Bateson, W., on reversion, 74 ; on 



mutations, 362, 364 ; on prepotency, 



368 



Bathmic doctrine of evolution, 13 

 Beard, Dr. J., germinal selection, 93 

 Begonia, 30 

 Bi-parental reproduction, as cause of 



variations, 47 ; its function, 81 

 Boitard, on pigeons, 72 

 Brain, effect of use on, 272 

 Breeding, cross- and in-, 97, 98 

 Brent, on ducks, 73 

 British conquests, 185 ; predomin- 

 ance, 187 

 Buckle, on peculiarities of individuals, 



284 ; on peculiarities of races, 290 

 Bud variations, 42 

 Bushmen, eating poison glands of 



snakes, 122 

 Butterflies, experiments on, by Weis- 



mann, 40-1 ; by Pictet, 353-4 



Calkins, on the multiplication of 



infusorians, 3 



Cancer, impossibility of curing, 117 

 Caribs, extermination of, 183 

 Carpenter, Dr., on automatic and 



voluntary actions, 253 

 Castle, Prof. W. E., on Mendelism, 



359, 360 ; on mutation theory, 361-2 

 Cave-dwelling animals, 65 

 Cells, multiplication of, 3, 4 

 Ceylon, malaria in, 136 ; tuberculosis 



in, 141, 149 

 Chadbourne, on instinct, 251 



373 



